103 files changed, 3173 insertions, 2972 deletions

diff --git a/java/proguard.flags b/java/proguard.flags
index 34e23aa9a..ca205b927 100644
--- a/java/proguard.flags
+++ b/java/proguard.flags
@@ -3,10 +3,6 @@
   <init>(...);
 }
 
--keep class com.android.inputmethod.latin.Flag {
-  *;
-}
-
 -keep class com.android.inputmethod.keyboard.ProximityInfo {
   <init>(com.android.inputmethod.keyboard.ProximityInfo);
 }
@@ -41,13 +37,7 @@
 }
 
 -keep class com.android.inputmethod.latin.ResearchLogger {
-  void setLogFileManager(...);
-  void clearAll();
-  com.android.inputmethod.latin.ResearchLogger$LogFileManager getLogFileManager();
-}
-
--keep class com.android.inputmethod.latin.ResearchLogger$LogFileManager {
-  java.lang.String getContents();
+  void flush();
 }
 
 -keep class com.android.inputmethod.keyboard.KeyboardLayoutSet$Builder {
diff --git a/java/res/values-af/strings.xml b/java/res/values-af/strings.xml
index 7431fced8..902edda78 100644
--- a/java/res/values-af/strings.xml
+++ b/java/res/values-af/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android-sleutelbord (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android-sleutelbordinstellings"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Invoeropsies"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Navorsing-loglêerbevele"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android-speltoetser"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android-speltoetser (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Speltoetser se instellings"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Verstek"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Stel kontakname voor"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Gebruik name van kontakte vir voorstelle en korreksies"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Aktiveer herkorrigerings"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Stel voorstelle vir herkorrigerings"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Outohoofletters"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Voeg woordeboeke by"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Hoofwoordeboek"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Matig"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Aggressief"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Baie aggressief"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Volgendewoordvoorstelle"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Gebruik vorige woord om voorstelle te verbeter"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Volgendewoordvoorspelling"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Gebruik vorige woord ook vir voorspelling"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Gestoor"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Gaan"</string>
     <string name="label_next_key" msgid="362972844525672568">"Volgende"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Steminvoer is gedeaktiveer"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Stel invoermetodes op"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Invoertale"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"let op die tydstempel in die loglêer"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Aangetekende tydstempel"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Moenie hierdie sessie aanteken nie"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Sessie se loglêer uitgevee"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Sessie se loglêer uitgevee"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Sessie se loglêer NIE uitgevee nie"</string>
     <string name="select_language" msgid="3693815588777926848">"Invoertale"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Raak weer om te stoor"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Woordeboek beskikbaar"</string>
diff --git a/java/res/values-am/strings.xml b/java/res/values-am/strings.xml
index d70c05da9..6044d1981 100644
--- a/java/res/values-am/strings.xml
+++ b/java/res/values-am/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"የAndroid ቁልፍ ሰሌዳ (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"የAndroid ቁልፍሰሌዳ ቅንብሮች"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"ግቤት አማራጮች"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"የጥናት የምዝግብ ማስታወሻ ትዕዛዞች"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android የፊደል ማረሚያ"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android የፊደል ማረሚያ (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"የፊደል አራሚ ቅንብሮች"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"ነባሪ"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"የዕውቂያ ስም ጠቁም"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"ከዕውቂያዎች ለጥቆማዎች እና ማስተካከያዎች ስሞች ተጠቀም"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"ድጋሚ ለማስተካከል አንቃ"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"ድጋሚ ለማስተካከል ጥቆማዎችን አዘጋጅ"</string>
     <string name="auto_cap" msgid="1719746674854628252">"ራስ-ሰር አቢይ ማድረግ"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"መዝገበ ቃላቶች ጨምር"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"ዋና መዝገበ ቃላት"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"መጠነኛ"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"ኃይለኛ"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"በጣም ቁጡ"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"የቀጣይ ቃል አስተያየቶች"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"ምክሮችን ለማሻሻል ቀዳሚ ቃል ተጠቀም"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"የቀጣይ ቃል ግምት"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"ለትንበያ የቀደመ ቃል እንዲሁ ተጠቀም"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : ተቀምጧል"</string>
     <string name="label_go_key" msgid="1635148082137219148">"ሂድ"</string>
     <string name="label_next_key" msgid="362972844525672568">"በመቀጠል"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"የድምፅ ግቤት ቦዝኗል"</string>
     <string name="configure_input_method" msgid="373356270290742459">"ግቤት ሜተዶችን አዋቀር"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"ቋንቋዎች አግቤት"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"የምዝግብ ማስታወሻ ጊዜ ማህተም ማስታወሻ"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"የጊዜ ማህተም ተመዝግቧል"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"ይህን ክፍለ ጊዜ እንዳትመዘግበው"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"የክፍለጊዜ ምዝግብ ማስታወሻ በመሰረዝ ላይ"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"የክፍለ ጊዜ ምዝግብ ማስታወሻ ተሰርዟል"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"የክፍለጊዜ ምዝግብ ማስታወሻ አልተሰረዘም"</string>
     <string name="select_language" msgid="3693815588777926848">"ቋንቋዎች አግቤት"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"ለማስቀመጥ እንደገና ንካ"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"መዝገበ ቃላት አለ"</string>
diff --git a/java/res/values-ar/strings.xml b/java/res/values-ar/strings.xml
index 5678c40c8..5215f9da1 100644
--- a/java/res/values-ar/strings.xml
+++ b/java/res/values-ar/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"لوحة مفاتيح Android ‏(AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"إعدادات لوحة مفاتيح Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"خيارات الإرسال"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"أوامر سجلات البحث"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"التدقيق الإملائي في Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"التدقيق الإملائي في Android‏ (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"إعدادات التدقيق الإملائي"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"افتراضي"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"اقتراح أسماء جهات الاتصال"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"استخدام الأسماء من جهات الاتصال للاقتراحات والتصحيحات"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"تمكين عمليات إعادة التصحيح"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"تعيين اقتراحات لعمليات إعادة التصحيح"</string>
     <string name="auto_cap" msgid="1719746674854628252">"أحرف كبيرة تلقائيًا"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"القواميس الإضافية"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"القاموس الرئيسي"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"معتدل"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"حاد"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"شديد الصرامة"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"اقتراحات الكلمات التالية"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"استخدام الكلمة السابقة لتحسين الاقتراحات"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"تنبؤ الكلمات التالية"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"استخدام الكلمة السابقة أيضًا للتنبؤ"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : تم الحفظ"</string>
     <string name="label_go_key" msgid="1635148082137219148">"تنفيذ"</string>
     <string name="label_next_key" msgid="362972844525672568">"التالي"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"الإدخال الصوتي مُعطل"</string>
     <string name="configure_input_method" msgid="373356270290742459">"تهيئة طرق الإدخال"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"لغات الإدخال"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"ملاحظة طابع زمني في سجل"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"تم تسجيل الطابع الزمني"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"عدم تسجيل هذه الجلسة"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"جارٍ حذف سجل الجلسة"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"تم حذف سجل الجلسة"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"لم يتم حذف سجل الجلسة"</string>
     <string name="select_language" msgid="3693815588777926848">"لغات الإدخال"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"المس مرة أخرى للحفظ"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"القاموس متاح"</string>
diff --git a/java/res/values-be/strings.xml b/java/res/values-be/strings.xml
index 4d14565b9..4d3085086 100644
--- a/java/res/values-be/strings.xml
+++ b/java/res/values-be/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Клавіятура Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Налады клавіятуры Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Параметры ўводу"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Каманды гiсторыя даследаванняў"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Iнструмент праверкi правапiсу для Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Iнструмент праверкi правапiсу для Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Налады праверкі арфаграфіі"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Па змаўчанні"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Прапан. імёны кантактаў"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Выкарыстоўваць імёны са спісу кантактаў для прапаноў і выпраўл."</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Уключыць карэкцiроўкі"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Задаць прапановы для карэкцiроўкі"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Аўтаматычна рабіць вялікія літары"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Дадатковыя слоўнікі"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Асноўны слоўнік"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Сціплы"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Агрэсіўны"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Вельмі агрэсіўны"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Падказкi для наступнага слова"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Выкарыстаць папярэдняе слова, каб палепшыць прапановы"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Падказка наступнага слова"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Выкарыстанне папярэдняга слова для падказак"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Захаваныя"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Пачаць"</string>
     <string name="label_next_key" msgid="362972844525672568">"Далей"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Галасавы набор адкл."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Налада метадаў уводу"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Мовы ўводу"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Пазначыць час у гiсторыi"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Запiсаныя пазнакі"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Не рэгістраваць гэты сеанс"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Выдаленне гiсторыi сеанса"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Гiсторыя сеанса выдалена"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Гiсторыя сеанса НЕ выдалена"</string>
     <string name="select_language" msgid="3693815588777926848">"Мовы ўводу"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Дакраніцеся зноў, каб захаваць"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Слоўнік даступны"</string>
diff --git a/java/res/values-bg/strings.xml b/java/res/values-bg/strings.xml
index 106a91806..dad1f3825 100644
--- a/java/res/values-bg/strings.xml
+++ b/java/res/values-bg/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Клавиатура на Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Настройки на клавиатурата на Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Опции за въвеждане"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Команди за рег. файл за проучвания"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Програма за правописна проверка за Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Програма за правописна проверка за Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Настройки за проверка на правописа"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"По подразбиране"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Предложения за контакти"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Използване на имена от „Контакти“ за предложения и поправки"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Повторни поправки: Актив."</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Задаване на предложения за повторни поправки"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Автоматично поставяне на главни букви"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Добавени речници"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Основен речник"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Умерено"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Агресивно"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Много агресивно"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Предложения за следващата дума"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Използване на предишната дума за подобряване на предложенията"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Предвиждане на следващата дума"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Използване на предишната дума и за предвиждане"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Запазено"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Старт"</string>
     <string name="label_next_key" msgid="362972844525672568">"Напред"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Глас. въвежд. е деакт."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Конфигуриране на въвеждането"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Входни езици"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Отбелязване на часа в рег. файл"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Часът е записан"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Без регистр. на сесията"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Рег. файл на сесията се изтрива"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Рег. файл на сесията е изтрит"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Рег. файл на сесията НЕ Е изтрит"</string>
     <string name="select_language" msgid="3693815588777926848">"Езици за въвеждане"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Докоснете отново, за да запазите"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Има достъп до речник"</string>
diff --git a/java/res/values-ca/strings.xml b/java/res/values-ca/strings.xml
index e3adbcff4..1341c4829 100644
--- a/java/res/values-ca/strings.xml
+++ b/java/res/values-ca/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Teclat d\'Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Configuració del teclat d\'Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opcions d\'entrada"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Recerca d\'ordres de reg."</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Corrector ortogràfic d\'Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Corrector ortogràfic d\'Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Configuració de la correcció ortogràfica"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Predeterminat"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Suggereix noms contactes"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Utilitza els noms de Contactes per a suggeriments i correccions"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Activa la capacitat de tornar a corregir"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Estableix suggeriments per tornar a corregir"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Majúscules automàtiques"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Diccionaris complementaris"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Diccionari principal"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Moderada"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Total"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Molt agressiu"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Suggeriments de paraula següent"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Utilitza la paraula anterior per millorar els suggeriments"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Predicció de paraula següent"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Utilitza també la paraula anterior per a la predicció"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: desada"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Vés"</string>
     <string name="label_next_key" msgid="362972844525672568">"Següent"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Entr. veu desactiv."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configura mètodes d\'entrada"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Idiomes d\'entrada"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Indica m. horària al reg."</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Marca horària enregistrada"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"No enregistris la sessió"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Suprimint registre de ses."</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Registre de ses. suprimit"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Registre de ses. NO sup."</string>
     <string name="select_language" msgid="3693815588777926848">"Idiomes d\'entrada"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Torna a tocar per desar"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Diccionari disponible"</string>
diff --git a/java/res/values-cs/strings.xml b/java/res/values-cs/strings.xml
index 90d840cd8..2e62ffec6 100644
--- a/java/res/values-cs/strings.xml
+++ b/java/res/values-cs/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Klávesnice Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Nastavení klávesnice Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Možnosti zadávání textu a dat"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Příkazy vývoj. protokolu"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Kontrola pravopisu Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Kontrola pravopisu Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Nastavení kontroly pravopisu"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Výchozí"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Navrhovat jména kontaktů"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Použít jména ze seznamu kontaktů k návrhům a opravám"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Povolit opětovné opravy"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Nastavit návrhy pro opětovné opravy"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Velká písmena automaticky"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Doplňkové slovníky"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Hlavní slovník"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Mírné"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresivní"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Velmi agresivní"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Návrh dalšího slova"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Použít předchozí slovo ke zlepšení návrhů"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Odhad dalšího slova"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Použít předchozí slovo také pro odhad"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: Uloženo"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Přejít"</string>
     <string name="label_next_key" msgid="362972844525672568">"Další"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Hlasový vstup vypnut"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfigurace metod zadávání"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Vstupní jazyky"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Uložit čas do protokolu"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Časové razítko vloženo"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Neprotokolovat relaci"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Mazání protokolu relace"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Protokol relace smazán"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Protokol relace nesmazán"</string>
     <string name="select_language" msgid="3693815588777926848">"Vstupní jazyky"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Opětovným dotykem provedete uložení"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Slovník k dispozici"</string>
diff --git a/java/res/values-da/strings.xml b/java/res/values-da/strings.xml
index 50b0b0a9f..0081c9af5 100644
--- a/java/res/values-da/strings.xml
+++ b/java/res/values-da/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android-tastatur (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android-tastatur-indstillinger"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Indstillinger for input"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Forskningslogkommandoer"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android-stavekontrol"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android-stavekontrol (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Indstillinger for stavekontrol"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Standard"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Foreslå navne på kontakter"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Brug navne fra Kontaktpersoner til forslag og rettelser"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Aktivér fornyet rettelse"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Angiv forslag til fornyet rettelse"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Skriv aut. med stort"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Tillægsordbøger"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Hovedordbog"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Moderat"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Aggressiv"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Meget aggressiv"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Forslag til næste ord"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Brug forrige ord til at forbedre forslag"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Forudsigelse af næste ord"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Brug også tidligere ord til forudsigelse"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: Gemt"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Gå"</string>
     <string name="label_next_key" msgid="362972844525672568">"Næste"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Stemmeinput deaktiveret"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfigurer inputmetoder"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Inputsprog"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Notér tidsstempel i log"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Noteret tidsstempel"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Logfør ikke denne session"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Sletter sessionslogfil"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Sessionslogfil slettet"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Sessionslog IKKE slettet"</string>
     <string name="select_language" msgid="3693815588777926848">"Inputsprog"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Tryk igen for at gemme"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Ordbog er tilgængelig"</string>
diff --git a/java/res/values-de/strings.xml b/java/res/values-de/strings.xml
index 216aac5d9..823f84fba 100644
--- a/java/res/values-de/strings.xml
+++ b/java/res/values-de/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android-Tastatur (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android-Tastatureinstellungen"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Eingabeoptionen"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Forschungsprotokollbefehle"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android-Rechtschreibprüfung"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android-Rechtschreibprüfung (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Einstellungen für Rechtschreibprüfung"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Standard"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Kontakte vorschlagen"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Namen aus \"Kontakte\" als Vorschläge und Korrekturmöglichkeiten anzeigen"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Korrekturen aktivieren"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Vorschläge für Korrekturen festlegen"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Autom. Groß-/Kleinschr."</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Erweiterte Wörterbücher"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Allgemeines Wörterbuch"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Mäßig"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Stark"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Sehr stark"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Vorschläge für nächstes Wort"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Zur Verbesserung von Vorschlägen vorheriges Wort verwenden"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Vervollständigung für nächstes Wort"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Vorheriges Wort auch für Vervollständigung verwenden"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: gespeichert"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Los"</string>
     <string name="label_next_key" msgid="362972844525672568">"Weiter"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Spracheingabe deaktiviert"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Eingabemethoden konfigurieren"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Eingabesprachen"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Zeitstempel im Protokoll"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Zeitstempel aufgenommen"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Nicht protokollieren"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Protokoll wird gelöscht..."</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Protokoll gelöscht"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Protokoll NICHT gelöscht"</string>
     <string name="select_language" msgid="3693815588777926848">"Eingabesprachen"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Zum Speichern erneut berühren"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Wörterbuch verfügbar"</string>
diff --git a/java/res/values-el/strings.xml b/java/res/values-el/strings.xml
index 486346a09..6a7942cd0 100644
--- a/java/res/values-el/strings.xml
+++ b/java/res/values-el/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Πληκτρολόγιο Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Ρυθμίσεις πληκτρολογίου Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Επιλογές εισόδου"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Έρευνα εντολών καταγραφής"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Ορθογραφικός έλεγχος Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Ορθογραφικός έλεγχος Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Ρυθμίσεις ορθογραφικού ελέγχου"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Προεπιλογή"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Πρόταση ονομάτων επαφών"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Χρησιμοποιήστε ονόματα από τις Επαφές για προτάσεις και διορθ."</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Ενεργ. επανάλ. διορθώσεων"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Ορισμός προτάσεων για επαναλήψεις διορθώσεων"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Αυτόματη χρήση κεφαλαίων"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Πρόσθετα λεξικά"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Κύριο λεξικό"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Μέτρια"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Υψηλή"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Πολύ επιθετική"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Προτάσεις επόμενων λέξεων"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Χρήση προηγούμενης λέξης για τη βελτίωση προτάσεων"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Πρόβλεψη επόμενης λέξης"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Χρησιμοποιήστε, επίσης, την προηγούμενη λέξη για πρόβλεψη"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Αποθηκεύτηκε"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Μετ."</string>
     <string name="label_next_key" msgid="362972844525672568">"Επόμενο"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Απεν. φωνητ. είσοδος"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Διαμόρφωση μεθόδων εισαγωγής"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Γλώσσες εισόδου"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Χρόνος στο αρχείο καταγρ."</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Καταγεγραμμένος χρόνος"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Χωρίς αρχείο καταγραφής"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Διαγραφή αρχείου σύνδεσης"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Αρχείο καταγρ. διαγράφηκε"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Αρχείο καταγρ. ΔΕΝ διαγρ."</string>
     <string name="select_language" msgid="3693815588777926848">"Γλώσσες εισόδου"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Αγγίξτε ξανά για αποθήκευση"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Λεξικό διαθέσιμο"</string>
diff --git a/java/res/values-en-rGB/strings.xml b/java/res/values-en-rGB/strings.xml
index 502007666..6ddcbc376 100644
--- a/java/res/values-en-rGB/strings.xml
+++ b/java/res/values-en-rGB/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android keyboard (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android keyboard settings"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Input options"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Research Log Commands"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android spell checker"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android spell checker (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Spellchecking settings"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Default"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Suggest Contact names"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Use names from Contacts for suggestions and corrections"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Enable recorrections"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Set suggestions for recorrections"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Auto-capitalisation"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Add-on dictionaries"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Main dictionary"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Modest"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Aggressive"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Very aggressive"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Next word suggestions"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Use previous word to improve suggestion"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Next word prediction"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Use previous word also for prediction"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Saved"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Go"</string>
     <string name="label_next_key" msgid="362972844525672568">"Next"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Voice input is disabled"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configure input methods"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Input languages"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Note timestamp in log"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Recorded timestamp"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Do not log this session"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Deleting session log"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Session log deleted"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Session log NOT deleted"</string>
     <string name="select_language" msgid="3693815588777926848">"Input languages"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Touch again to save"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Dictionary available"</string>
diff --git a/java/res/values-es-rUS/strings.xml b/java/res/values-es-rUS/strings.xml
index 34ad0a420..65c4eed61 100644
--- a/java/res/values-es-rUS/strings.xml
+++ b/java/res/values-es-rUS/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Teclado de Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Configuración de teclado de Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opciones de entrada"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Comandos registro invest."</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Corrector ortográfico de Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Corrector ortográfico de Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Configuración del corrector ortográfico"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Predeterminada"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Sugerir nombres de contacto"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Usar nombres de los contactos para sugerencias y correcciones"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Activar correcciones"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Establecer sugerencias para realizar correcciones"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Mayúsculas automáticas"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Diccionarios complementarios"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Diccionario principal"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Moderado"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Total"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Muy agresivo"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Sugerencias para la palabra siguiente"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Usar la palabra anterior para mejorar las sugerencias"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Predicción de la palabra siguiente"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Usar la palabra anterior también para predicción."</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: guardada"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Ir"</string>
     <string name="label_next_key" msgid="362972844525672568">"Siguiente"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"La entrada por voz está inhabilitada"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configurar métodos de entrada"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Idiomas de entrada"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Marcar tiempo en registro"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Marca tiempo registrada"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"No registrar esta sesión"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Eliminando registro"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Registro sesión eliminado"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"NO se eliminó el registro"</string>
     <string name="select_language" msgid="3693815588777926848">"Idiomas de entrada"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Vuelve a tocar para guardar."</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Diccionario disponible"</string>
diff --git a/java/res/values-es/strings.xml b/java/res/values-es/strings.xml
index 3c60aa6e2..f3e139950 100644
--- a/java/res/values-es/strings.xml
+++ b/java/res/values-es/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Teclado Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Ajustes del teclado de Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opciones entrada texto"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Comandos registro investigación"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Corrector de Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Corrector de Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Ajustes del corrector ortográfico"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Predeterminado"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Sugerir contactos"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Utilizar nombres de contactos para sugerencias y correcciones"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Activar nuevas correcciones"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Establecer sugerencias para nuevas correcciones"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Mayúsculas automáticas"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Diccionarios complementarios"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Diccionario principal"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Parcial"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Total"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Muy agresiva"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Sugerir siguiente palabra"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Usar palabra anterior para mejorar las sugerencias"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Predecir siguiente palabra"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Utilizar también la palabra anterior para realizar la predicción"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: guardada"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Ir"</string>
     <string name="label_next_key" msgid="362972844525672568">"Sig."</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Entrada de voz inhabilitada"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configurar métodos de entrada"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Idiomas"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Anotar marca tiempo en registro"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Marca de tiempo registrada"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"No registrar esta sesión"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Eliminando registro..."</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Registro eliminado"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Registro no eliminado"</string>
     <string name="select_language" msgid="3693815588777926848">"Idiomas de entrada"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Toca otra vez para guardar."</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Hay un diccionario disponible"</string>
diff --git a/java/res/values-et/strings.xml b/java/res/values-et/strings.xml
index 4a592c36b..d89806bb0 100644
--- a/java/res/values-et/strings.xml
+++ b/java/res/values-et/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android-klaviatuur (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Androidi klaviatuuriseaded"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Sisestusvalikud"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Uuringulogi käsud"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Androidi õigekirjakontroll"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Androidi õigekirjakontroll (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Õigekirjakontrolli seaded"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Vaikeseade"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Soovita kontaktkirjeid"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Kasuta soovitusteks ja parandusteks nimesid kontaktiloendist"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Uute paranduste lubamine"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Soovituste seadmine uute paranduste jaoks"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Automaatne suurtähtede kasutamine"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Pistiksõnaraamatud"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Peamine sõnaraamat"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Mõõdukas"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agressiivne"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Väga agressiivne"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Järgmise sõna soovitused"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Kasuta soovituste täiustamiseks eelmist sõna"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Järgmise sõna ennustus"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Kasuta ennustuseks ka eelmist sõna"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : salvestatud"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Mine"</string>
     <string name="label_next_key" msgid="362972844525672568">"Edasi"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Kõnesisend on keelatud"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Sisestusmeetodite seadistamine"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Sisestuskeeled"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Märgi ajatempel logisse"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Salvestatud ajatemplid"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Ära logi seda seanssi"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Seansi logi kustutamine"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Seansi logi kustutatud"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Seansi logi EI kustutatud"</string>
     <string name="select_language" msgid="3693815588777926848">"Sisestuskeeled"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Salvestamiseks puudutage uuesti"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Sõnastik saadaval"</string>
diff --git a/java/res/values-fa/strings.xml b/java/res/values-fa/strings.xml
index bc0e85b77..6cb9e552b 100644
--- a/java/res/values-fa/strings.xml
+++ b/java/res/values-fa/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"صفحه کلید (Android (AOSP"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"تنظیمات صفحه کلید Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"گزینه های ورودی"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"فرمان‌های گزارش‌گیری پژوهش"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"غلط‌گیر املای Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"غلط‌گیر املای Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"تنظیمات غلط گیری املایی"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"پیش فرض"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"پیشنهاد نام های مخاطب"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"برای پیشنهاد و تصحیح از نام مخاطبین استفاده شود"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"فعال کردن تصحیح مجدد"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"تنظیم پیشنهادات برای تصحیح مجدد"</string>
     <string name="auto_cap" msgid="1719746674854628252">"نوشتن با حروف بزرگ خودکار"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"فرهنگ‌های لغت افزودنی"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"فرهنگ‌ لغت اصلی"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"متوسط"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"فعال"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"بسیار پرخاشگرانه"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"پیشنهادات کلمه بعدی"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"برای بهبود پیشنهاد از کلمه قبلی استفاده شود"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"پیش‌بینی کلمه بعدی"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"استفاده از کلمه قبلی برای پیش بینی"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : ذخیره شد"</string>
     <string name="label_go_key" msgid="1635148082137219148">"برو"</string>
     <string name="label_next_key" msgid="362972844525672568">"بعدی"</string>
@@ -115,6 +114,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"ورودی صدا غیرفعال است"</string>
     <string name="configure_input_method" msgid="373356270290742459">"پیکربندی روش های ورودی"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"زبان های ورودی"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"یادداشت مهر زمان در گزارش"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"مهر زمان ثبت شده"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"از این جلسه گزارش‌گیری نشود"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"در حال حذف گزارش جلسه"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"گزارش جلسه حذف شد"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"گزارش جلسه حذف نشد"</string>
     <string name="select_language" msgid="3693815588777926848">"زبان‌های ورودی"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"برای ذخیره دوباره لمس کنید"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"دیکشنری موجود است"</string>
diff --git a/java/res/values-fi/strings.xml b/java/res/values-fi/strings.xml
index 97002edfe..4ee768e71 100644
--- a/java/res/values-fi/strings.xml
+++ b/java/res/values-fi/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android-näppäimistö (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android-näppäimistön asetukset"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Syöttövalinnat"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Tutkimuslokin komennot"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android-oikoluku"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android-oikoluku (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Oikoluvun asetukset"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Oletus"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Ehdota yhteystietojen nimiä"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Käytä yhteystietojen nimiä ehdotuksissa ja korjauksissa"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Ota korjaukset käyttöön"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Aseta korjausehdotuksia"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Automaattiset isot kirjaimet"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Lisäsanakirjat"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Pääsanakirja"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Osittainen"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Täysi"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Hyvin aggressiivinen"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Seuraavan sanan ehdotukset"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Paranna ehdotuksia aiempien sanojen avulla"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Seuraavan sanan ennakointi"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Käytä edellistä sanaa myös ennakointiin"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Tallennettu"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Siirry"</string>
     <string name="label_next_key" msgid="362972844525672568">"Seur."</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Ääniohjaus on pois käytöstä"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Määritä syöttötavat"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Syöttökielet"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Merkitse aikaleima lokiin"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Merkitty aikaleima"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Älä tallenna tätä käyttök."</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Poistetaan lokia"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Käyttökertaloki poistettu"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Lokia EI poistettu"</string>
     <string name="select_language" msgid="3693815588777926848">"Syöttökielet"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Tallenna koskettamalla uudelleen"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Sanakirja saatavilla"</string>
diff --git a/java/res/values-fr/strings.xml b/java/res/values-fr/strings.xml
index 285d2226c..7273986d7 100644
--- a/java/res/values-fr/strings.xml
+++ b/java/res/values-fr/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Clavier Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Paramètres du clavier Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Options de saisie"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Commandes journaux rech."</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Correcteur orthographique Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Correcteur orthographique Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Paramètre du correcteur orthographique"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Par défaut"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Proposer noms de contacts"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Utiliser des noms de contacts pour les suggestions et corrections"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Activer la recorrection"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Définir des suggestions de recorrection"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Majuscules auto"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Dictionnaires complémentaires"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Dictionnaire principal"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Simple"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Proactive"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Très exigeante"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Suggestions pour le mot suivant"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Améliorer les suggestions grâce au mot précédent"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Prédiction du mot suivant"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Utiliser le mot précédent pour la prédiction"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : enregistré"</string>
     <string name="label_go_key" msgid="1635148082137219148">"OK"</string>
     <string name="label_next_key" msgid="362972844525672568">"Suiv."</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Saisie vocale désactivée"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configurer les modes de saisie"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Langues de saisie"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Noter heure dans journal"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Heure enregistrée."</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Ne pas enregistrer session"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Suppr. journal session…"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Journal session supprimé."</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Journal session PAS suppr."</string>
     <string name="select_language" msgid="3693815588777926848">"Langues de saisie"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Appuyer de nouveau pour enregistrer"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Dictionnaire disponible"</string>
diff --git a/java/res/values-hi/strings.xml b/java/res/values-hi/strings.xml
index 2b1808460..bf1058a98 100644
--- a/java/res/values-hi/strings.xml
+++ b/java/res/values-hi/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android कीबोर्ड (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android कीबोर्ड सेटिंग"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"इनपुट विकल्‍प"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"लॉग आदेशों का शोध करें"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android वर्तनी परीक्षक"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android वर्तनी परीक्षक (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"वर्तनी जांच सेटिंग"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"डिफ़ॉल्ट"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"संपर्क नाम सुझाएं"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"सुझाव और सुधार के लिए संपर्क से नामों का उपयोग करें"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"पुन: सुधार सक्षम करें"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"पुन: सुधार के लि‍ए सुझाव सेट करें"</string>
     <string name="auto_cap" msgid="1719746674854628252">"स्‍वत: अक्षर बड़े करना"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"एड-ऑन डिक्शनरी"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"मुख्‍य डिक्‍शनरी"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"साधारण"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"तीव्र"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"बहुत तीव्र"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"अगला शब्‍द सुझाव"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"सुझावों को बेहतर बनाने के लिए पिछले शब्‍द का उपयोग करें"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"अगला शब्‍द पूर्वानुमान"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"पूर्वानुमान के लिए पिछले शब्द का उपयोग करें"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: सहेजा गया"</string>
     <string name="label_go_key" msgid="1635148082137219148">"जाएं"</string>
     <string name="label_next_key" msgid="362972844525672568">"अगला"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"ध्‍वनि इनपुट अक्षम है"</string>
     <string name="configure_input_method" msgid="373356270290742459">"इनपुट पद्धति कॉन्‍फ़िगर करें"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"इनपुट भाषा"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"लॉग में टाइमस्‍टैम्‍प नोट करें"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"रिकॉर्ड किया गया टाइमस्टैम्प"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"इस सत्र को लॉग न करें"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"सत्र लॉग हटाया जा रहा है"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"सत्र लॉग हटाया गया"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"सत्र लॉग हटाया नहीं गया"</string>
     <string name="select_language" msgid="3693815588777926848">"इनपुट भाषाएं"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"सहेजने के लिए पुन: स्‍पर्श करें"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"शब्‍दकोश उपलब्‍ध है"</string>
diff --git a/java/res/values-hr/strings.xml b/java/res/values-hr/strings.xml
index a59d4698f..50f4c285d 100644
--- a/java/res/values-hr/strings.xml
+++ b/java/res/values-hr/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android tipkovnica (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Postavke tipkovnice za Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opcije ulaza"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Istraživanje naredbi dnevnika"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Androidova provjera pravopisa"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Androidova provjera pravopisa (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Postavke provjere pravopisa"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Zadano"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Predlaži imena kontakata"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Upotreba imena iz Kontakata za prijedloge i ispravke"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Omogući ponovne ispravke"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Postavite prijedloge za ponovne ispravke"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Automatsko pisanje velikih slova"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Rječnici-dodaci"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Glavni rječnik"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Skromno"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresivno"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Vrlo agresivno"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Prijedlozi za sljedeću riječ"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Upotrijebi prethodnu riječ radi poboljšanja prijedloga"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Predviđanje sljedeće riječi"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Upotrijebite prethodnu riječ i za predviđanje"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Spremljeno"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Idi"</string>
     <string name="label_next_key" msgid="362972844525672568">"Dalje"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Glas. unos onemog."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfiguriraj načine ulaza"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Jezici unosa"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Zabilježi razdoblje u dnevniku"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Zabilježeno razdoblje"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Ne bilježi ovu sesiju"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Brisanje dnevnika sesije"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Izbrisan dnevnik sesije"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Dnevnik sesije NIJE izbrisan"</string>
     <string name="select_language" msgid="3693815588777926848">"Jezici unosa"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Dodirnite ponovo za spremanje"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Rječnik je dostupan"</string>
diff --git a/java/res/values-hu/strings.xml b/java/res/values-hu/strings.xml
index 0eac1a95b..834fa9e73 100644
--- a/java/res/values-hu/strings.xml
+++ b/java/res/values-hu/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android-billentyűzet (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android billentyűzetbeállítások"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Beviteli beállítások"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Naplózási parancsok"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Androidos helyesírás-ellenőrző"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Androidos helyesírás-ellenőrző (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Helyesírás-ellenőrzés beállításai"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Alapbeállítás"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Javasolt névjegyek"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"A névjegyek használata a javaslatokhoz és javításokhoz"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Újbóli javítás engedélyezése"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Javaslatok beállítása az újbóli javításokhoz"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Automatikusan nagy kezdőbetű"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Bővítmények: szótárak"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Fő szótár"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Mérsékelt"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresszív"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Nagyon agresszív"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Következő szóra vonatkozó javaslatok"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Javaslatok fejlesztése az előző szó használatával"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Következő szó előrejelzése"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Az előző szó használata a prediktív bevitelhez is"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : mentve"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Ugrás"</string>
     <string name="label_next_key" msgid="362972844525672568">"Tovább"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Hangbevivel KI"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Beviteli módok beállítása"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Beviteli nyelvek"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Időbélyegző naplózáskor"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Rögzített időbélyegzők"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Ne naplózza"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Napló törlése folyamatban"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Napló törölve"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Napló NINCS törölve"</string>
     <string name="select_language" msgid="3693815588777926848">"Beviteli nyelvek"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Érintse meg újból a mentéshez"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Van elérhető szótár"</string>
diff --git a/java/res/values-in/strings.xml b/java/res/values-in/strings.xml
index e0e92b5bd..6fed05506 100644
--- a/java/res/values-in/strings.xml
+++ b/java/res/values-in/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Keyboard Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Setelan keyboard Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opsi masukan"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Riset Perintah Log"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Pemeriksa ejaan Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Pemeriksa ejaan Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Setelan pemeriksaan ejaan"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Default"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Sarankan nama Kontak"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Menggunakan nama dari Kontak untuk saran dan koreksi"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Aktifkan koreksi ulang"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Setel saran untuk koreksi ulang"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Kapitalisasi otomatis"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Kamus pengaya"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Kamus utama"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Sederhana"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresif"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Sangat agresif"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Saran kata berikutnya"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Gunakan kata sebelumnya untuk meningkatkan saran"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Prediksi kata berikutnya"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Gunakan kata sebelumnya juga untuk prediksi"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Telah disimpan"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Buka"</string>
     <string name="label_next_key" msgid="362972844525672568">"Berikutnya"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Masukan suara dinonaktifkan"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfigurasikan metode masukan"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Bahasa masukan"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Catat cap waktu di log"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Cap waktu yang direkam"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Jangan simpan log sesi ini"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Menghapus log sesi"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Log sesi dihapus"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Log sesi BELUM dihapus"</string>
     <string name="select_language" msgid="3693815588777926848">"Bahasa masukan"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Sentuh lagi untuk menyimpan"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Kamus yang tersedia"</string>
diff --git a/java/res/values-it/strings.xml b/java/res/values-it/strings.xml
index a54958c05..3c9339fe6 100644
--- a/java/res/values-it/strings.xml
+++ b/java/res/values-it/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Tastiera Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Impostazioni tastiera Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opzioni inserimento"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Ricerca comandi di log"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Controllo ortografico Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Controllo ortografico Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Impostazioni di controllo ortografico"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Predefinito"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Suggerisci nomi di contatti"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Utilizza nomi di Contatti per suggerimenti e correzioni"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Attiva nuove correzioni"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Imposta suggerimenti per nuove correzioni"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Maiuscole automatiche"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Dizionari aggiuntivi"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Dizionario principale"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Media"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Massima"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Massima"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Suggerimenti parola successiva"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Usa parola precedente per migliorare suggerimenti"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Previsione parola successiva"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Usa anche la parola precedente per la previsione"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : parola salvata"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Vai"</string>
     <string name="label_next_key" msgid="362972844525672568">"Avanti"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Comandi vocali disatt."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configura metodi di immissione"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Lingue comandi"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Indicazione temporale log"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Indicazione temporale registrata"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Non registrare la sessione"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Eliminazione log sessione"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Log di sessione eliminato"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Log sessione non eliminato"</string>
     <string name="select_language" msgid="3693815588777926848">"Lingue comandi"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Tocca di nuovo per salvare"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Dizionario disponibile"</string>
diff --git a/java/res/values-iw/strings.xml b/java/res/values-iw/strings.xml
index 323cac198..da00346d0 100644
--- a/java/res/values-iw/strings.xml
+++ b/java/res/values-iw/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"מקלדת Android ‏(AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"הגדרות מקלדת של Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"אפשרויות קלט"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"פקודות יומן מחקר"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"בודק האיות של Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"בודק האיות של Android ‏(AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"הגדרות בדיקת איות"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"ברירת מחדל"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"הצע שמות של אנשי קשר"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"השתמש בשמות מרשימת אנשי הקשר עבור הצעות ותיקונים"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"הפוך תיקונים חוזרים לפעילים"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"הגדר הצעות עבור תיקונים חוזרים"</string>
     <string name="auto_cap" msgid="1719746674854628252">"הפיכת אותיות לרישיות באופן אוטומטי"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"הוספת מילונים"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"מילון ראשי"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"מצומצם"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"מחמיר"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"מחמיר מאוד"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"הצעות המילה הבאה"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"השתמש במילה הקודמת כדי לשפר את ההצעות"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"חיזוי המילה הבאה"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"השתמש במילה הקודמת גם עבור חיזוי"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : נשמרה"</string>
     <string name="label_go_key" msgid="1635148082137219148">"בצע"</string>
     <string name="label_next_key" msgid="362972844525672568">"הבא"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"הקלט הקולי מושבת"</string>
     <string name="configure_input_method" msgid="373356270290742459">"הגדרת שיטות קלט"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"שפות קלט"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"ציין חותמת זמן ביומן"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"חותמת זמן מתועדת"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"אל תרשום הפעלה זו ביומן"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"מוחק יומן הפעלה"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"יומן הפעלה נמחק"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"יומן הפעלה לא נמחק"</string>
     <string name="select_language" msgid="3693815588777926848">"שפות קלט"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"גע שוב כדי לשמור"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"מילון זמין"</string>
diff --git a/java/res/values-ja/strings.xml b/java/res/values-ja/strings.xml
index 3a865166f..54e07d494 100644
--- a/java/res/values-ja/strings.xml
+++ b/java/res/values-ja/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Androidキーボード（AOSP）"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Androidキーボードの設定"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"入力オプション"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"ログコマンドの検索"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Androidスペルチェッカー"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Androidスペルチェッカー（AOSP）"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"スペルチェックの設定"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"デフォルト"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"候補の連絡先名を表示"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"連絡先の名前を使用して候補表示や自動修正を行います"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"再修正を有効にする"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"再修正の候補を挿入する"</string>
     <string name="auto_cap" msgid="1719746674854628252">"自動大文字変換"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"アドオン辞書"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"メイン辞書"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"中"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"強"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"最も強い"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"次の入力候補"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"直前の単語から入力候補を予測します"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"次の入力候補を予測"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"前の語句も予測に使用"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>:保存しました"</string>
     <string name="label_go_key" msgid="1635148082137219148">"実行"</string>
     <string name="label_next_key" msgid="362972844525672568">"次へ"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"音声入力は無効です"</string>
     <string name="configure_input_method" msgid="373356270290742459">"入力方法を設定"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"入力言語"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"タイムスタンプを記録"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"タイムスタンプ記録済み"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"セッションを記録しない"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"セッションログ削除中"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"セッションログ削除済み"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"セッションログ未削除"</string>
     <string name="select_language" msgid="3693815588777926848">"入力言語"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"保存するにはもう一度タップ"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"辞書を利用できます"</string>
diff --git a/java/res/values-ko/strings.xml b/java/res/values-ko/strings.xml
index 536f06dbd..09ee97f39 100644
--- a/java/res/values-ko/strings.xml
+++ b/java/res/values-ko/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android 키보드(AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android 키보드 설정"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"입력 옵션"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"로그 명령 탐색"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android 맞춤법 검사기"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android 맞춤법 검사기(AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"맞춤법 검사 설정"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"기본값"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"주소록 이름 활용"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"추천 및 수정에 주소록의 이름 사용"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"재수정 가능 설정"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"재수정 추천어 사전 활성화"</string>
     <string name="auto_cap" msgid="1719746674854628252">"자동 대문자화"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"사전 추가"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"기본 사전"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"약"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"중"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"강"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"다음 추천 검색어"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"이전 단어를 사용하여 추천 검색어 개선"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"다음 예상 검색어"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"이전 단어를 사용하여 예상 검색어 표시"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: 저장됨"</string>
     <string name="label_go_key" msgid="1635148082137219148">"이동"</string>
     <string name="label_next_key" msgid="362972844525672568">"다음"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"음성 입력이 사용 중지됨"</string>
     <string name="configure_input_method" msgid="373356270290742459">"입력 방법 설정"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"입력 언어"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"로그에 타임스탬프를 기록"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"타임스탬프를 기록함"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"이 세션을 로그하지 마세요."</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"세션 로그 삭제"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"세션 로그가 삭제됨"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"세션 로그가 삭제되지 않음"</string>
     <string name="select_language" msgid="3693815588777926848">"입력 언어"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"저장하려면 다시 터치"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"사전 사용 가능"</string>
diff --git a/java/res/values-lt/strings.xml b/java/res/values-lt/strings.xml
index a0b8fc87d..ff7b48a9b 100644
--- a/java/res/values-lt/strings.xml
+++ b/java/res/values-lt/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"„Android“ klaviatūra (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"„Android“ klaviatūros nustatymai"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Įvesties parinktys"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Tyrinėti žurnalo komandas"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"„Android“ rašybos tikrinimo programa"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"„Android“ rašybos tikrinimo programa (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Rašybos tikrinimo nustatymai"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Numatytasis"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Siūlyti kontaktų vardus"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Siūlant ir taisant naudoti vardus iš „Kontaktų“"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Įdiegti pakartotinius pataisymus"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Nustatyti pakartotinio pataisymo pasiūlymus"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Automatinis didžiųjų raidžių rašymas"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Papildomi žodynai"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Pagrindinis žodynas"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Vidutinis"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Atkaklus"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Labai agresyviai"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Kito žodžio pasiūlymai"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Naudoti ankstesnį žodį pasiūlymams patobulinti"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Kito žodžio numatymas"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Numatant naudoti ir ankstesnį žodį"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: išsaugota"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Pradėti"</string>
     <string name="label_next_key" msgid="362972844525672568">"Kitas"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Balso įv. neleidž."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfigūruoti įvesties metodus"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Įvesties kalbos"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Pažym. laiko žymę žurnale"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Įrašyta laiko žymė"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Neįrašyti šios sesijos"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Ištrinam. sesijos žurnal."</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Sesijos žurnalas ištrint."</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Sesij. žurnal. NEIŠTRINT."</string>
     <string name="select_language" msgid="3693815588777926848">"Įvesties kalbos"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Jei norite išsaugoti, palieskite dar kartą"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Žodynas galimas"</string>
diff --git a/java/res/values-lv/strings.xml b/java/res/values-lv/strings.xml
index 93727a8ba..2a6c8eaa1 100644
--- a/java/res/values-lv/strings.xml
+++ b/java/res/values-lv/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android tastatūra (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android tastatūras iestatījumi"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Ievades opcijas"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Izpētes žurnāla komandas"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android pareizrakstības pārbaudītājs"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android pareizrakstības pārbaudītājs (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Pareizrakstības pārbaudes iestatījumi"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Noklusējums"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Ieteikt kontaktp. vārdus"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Izmantot kontaktpersonu vārdus kā ieteikumus un labojumus"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Iespējot atk. labojumus"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Iestatīt atkārtotu labojumu ieteikumus"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Automātiska lielo burtu lietošana"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Papildinājumu vārdnīcas"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Galvenā vārdnīca"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Mērena"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresīva"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Ļoti radikāla"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Nākamā vārda ieteikumi"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Ieteikumu uzlabošanai izmantot iepriekšējo vārdu"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Nākamā vārda prognozēšana"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Izmantot iepriekšējo vārdu arī prognozēm"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: saglabāts"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Sākt"</string>
     <string name="label_next_key" msgid="362972844525672568">"Tālāk"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Balss iev. atspējota"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Ievades metožu konfigurēšana"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Ievades valodas"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Atzīmēt laiksp. žurnālā"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Laikspied. ir reģistrēts."</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Nereģistrēt šo sesiju"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Not. sesijas žurn. dzēš."</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Sesijas žurnāls ir dzēsts"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Sesijas žurn. NAV dzēsts"</string>
     <string name="select_language" msgid="3693815588777926848">"Ievades valodas"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Pieskarieties vēlreiz, lai saglabātu."</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Ir pieejama vārdnīca."</string>
diff --git a/java/res/values-ms/strings.xml b/java/res/values-ms/strings.xml
index a07c44f2c..5809fe005 100644
--- a/java/res/values-ms/strings.xml
+++ b/java/res/values-ms/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Papan kekunci Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Tetapan papan kekunci Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Pilihan input"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Arahan Log Penyelidikan"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Penyemak ejaan Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Penyemak ejaan Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Tetapan penyemakan ejaan"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Lalai"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Cadangkan nama Kenalan"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Menggunakan nama daripada Kenalan untuk cadangan dan pembetulan"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Dayakan pembetulan semula"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Tetapkan cadangan untuk pembetulan semula"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Huruf besar auto"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Kamus tambahan"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Kamus utama"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Sederhana"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresif"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Sangat agresif"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Cadangan perkataan seterusnya"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Gunakan perkataan sebelumnya untuk memperbaik cadangan"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Ramalan perkataan seterusnya"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Gunakan juga perkataan sebelumnya untuk ramalan"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Disimpan"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Pergi"</string>
     <string name="label_next_key" msgid="362972844525672568">"Seterusnya"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Input suara dilmphkn"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfigurasikan kaedah input"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Bahasa input"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Tanda cap waktu dalam log"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Cap waktu direkodkan"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Jangan log sesi ini"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Memadam log sesi"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Log sesi dipadam"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Log sesi TIDAK dipadam"</string>
     <string name="select_language" msgid="3693815588777926848">"Bahasa input"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Sentuh lagi untuk menyimpan"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Kamus tersedia"</string>
diff --git a/java/res/values-nb/strings.xml b/java/res/values-nb/strings.xml
index 75c1295a9..8d2b3f65b 100644
--- a/java/res/values-nb/strings.xml
+++ b/java/res/values-nb/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android-tastatur (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Innstillinger for skjermtastatur"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Inndataalternativer"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Kommandoer for undersøkelseslogging"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android-stavekontroll"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android-stavekontroll (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Innstillinger for stavekontroll"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Standard"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Foreslå kontaktnavn"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Bruk navn fra Kontakter til forslag og korrigeringer"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Aktiver korrigeringer"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Angi forslag for korrigeringer"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Stor forbokstav"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Tilleggsordbøker"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Hovedordliste"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Moderat"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Omfattende"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Veldig aggressiv"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Forslag til rettelser av neste ord"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Bruk forrige ord til å forbedre forslagene"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Forslag til neste ord"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Bruk forrige ord også for forslag"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: Lagret"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Utfør"</string>
     <string name="label_next_key" msgid="362972844525672568">"Neste"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Taleinndata er deaktiv."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfigurer inndatametoder"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Inndataspråk"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Notér tidsstempel i logg"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Registrerte tidsstempel"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Ikke loggfør denne økten"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Sletter øktloggen"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Øktloggen ble slettet"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Øktloggen ble IKKE slettet"</string>
     <string name="select_language" msgid="3693815588777926848">"Inndataspråk"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Trykk på nytt for å lagre"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Ordbok tilgjengelig"</string>
diff --git a/java/res/values-nl/strings.xml b/java/res/values-nl/strings.xml
index a7d499bd0..b3ab6cab9 100644
--- a/java/res/values-nl/strings.xml
+++ b/java/res/values-nl/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android-toetsenbord (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Instellingen voor Android-toetsenbord"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Invoeropties"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Opdrachten in onderzoekslogbestand"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Spellingcontrole van Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Spellingcontrole van Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Instellingen voor spellingcontrole"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Standaard"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Contactnamen suggereren"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Namen uit Contacten gebruiken voor suggesties en correcties"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Verbeteringen inschakelen"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Suggesties instellen voor verbeteringen"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Auto-hoofdlettergebruik"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Woordenboeken toevoegen"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Algemeen woordenboek"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Normaal"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agressief"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Zeer agressief"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Volgende woordsuggesties"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Vorig woord gebruiken om suggesties te verbeteren"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Volgende woordvoorspelling"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Het voorgaande woord ook voor voorspelling gebruiken"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: opgeslagen"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Start"</string>
     <string name="label_next_key" msgid="362972844525672568">"Verder"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Spraakinvoer is uit"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Invoermethoden configureren"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Invoertalen"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Tijdstempel opnemen in logbestand"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Opgenomen tijdstempel"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Sessie niet registreren"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Sessielogbestand verwijderen"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Sessielogbestand verwijderd"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Sessielogbestand NIET verwijderd"</string>
     <string name="select_language" msgid="3693815588777926848">"Invoertalen"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Raak nogmaals aan om op te slaan"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Woordenboek beschikbaar"</string>
diff --git a/java/res/values-pl/strings.xml b/java/res/values-pl/strings.xml
index bf27782b6..6338f5d7d 100644
--- a/java/res/values-pl/strings.xml
+++ b/java/res/values-pl/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Klawiatura Androida (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Ustawienia klawiatury Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opcje wprowadzania"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Polecenia dziennika badań"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Słownik Androida"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Sprawdzanie pisowni na Androidzie (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Ustawienia sprawdzania pisowni"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Wartość domyślna"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Proponuj osoby z kontaktów"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"W propozycjach i poprawkach użyj nazwisk z kontaktów"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Włącz poprawki"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Ustaw sugestie poprawek"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Wstawiaj wielkie litery"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Dodatkowe słowniki"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Słownik główny"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Umiarkowana"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresywna"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Bardzo agresywna"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Sugestie kolejnych słów"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Używaj poprzedniego wyrazu, by polepszyć sugestie"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Przewidywanie następnego wyrazu"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Przewiduj również na podstawie poprzedniego słowa"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Zapisano"</string>
     <string name="label_go_key" msgid="1635148082137219148">"OK"</string>
     <string name="label_next_key" msgid="362972844525672568">"Dalej"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Wprowadzanie głosowe jest wyłączone"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfiguruj metody wprowadzania"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Języki wprowadzania"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Znacznik czasu uwagi w dzienniku"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Zapisano znacznik czasu"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Nie rejestruj tej sesji"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Usuwanie dziennika sesji"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Usunięto dziennik sesji"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Dziennik sesji NIEUSUNIĘTY"</string>
     <string name="select_language" msgid="3693815588777926848">"Języki wprowadzania"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Dotknij ponownie, aby zapisać"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Słownik dostępny"</string>
diff --git a/java/res/values-pt-rPT/strings.xml b/java/res/values-pt-rPT/strings.xml
index ccb042e47..dcbdbc89e 100644
--- a/java/res/values-pt-rPT/strings.xml
+++ b/java/res/values-pt-rPT/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Teclado Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Definições de teclado do Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opções de introdução"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Comandos de Reg. Invest."</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Verificador ortográfico do Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Verificador ortográfico do Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Definições da verificação ortográfica"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Predefinido"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Sugerir nomes de Contactos"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Utilizar nomes dos Contactos para sugestões e correções"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Ativar correções"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Definir sugestões para correções"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Letras maiúsculas automáticas"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Dicionários extras"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Dicionário principal"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Moderada"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agressiva"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Muito agressivo"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Sugestões da palavra seguinte"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Utilizar palavra anterior para melhorar sugestões"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Previsão da palavra seguinte"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Utilizar a palavra anterior também para predição"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: guardada"</string>
     <string name="label_go_key" msgid="1635148082137219148">"OK"</string>
     <string name="label_next_key" msgid="362972844525672568">"Avançar"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Entr. voz desact."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configurar métodos de introdução"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Idiomas de entrada"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Anotar car. data no reg."</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Carimbo de data gravado"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Não registar esta sessão"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"A eliminar reg. da sessão"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Reg. de sessão eliminado"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Reg. de sessão NÃO elim."</string>
     <string name="select_language" msgid="3693815588777926848">"Idiomas de introdução"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Toque novamente para guardar"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Dicionário disponível"</string>
diff --git a/java/res/values-pt/strings.xml b/java/res/values-pt/strings.xml
index 7d64759d8..e55a75d37 100644
--- a/java/res/values-pt/strings.xml
+++ b/java/res/values-pt/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Teclado Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Configurações de teclado Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opções de entrada"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Pesq. comandos de reg."</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Corretor ortográfico do Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Corretor ortográfico do Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Configurações de verificação ortográfica"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Padrão"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Sugerir nomes de contato"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Usar nomes dos Contatos para sugestões e correções"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Ativar recorreções"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Definir sugestões para recorreções"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Capitaliz. automática"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Dicionários complementares"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Dicionário principal"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Moderado"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agressivo"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Muito agressivo"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Sugestões p/ palavra seguinte"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Usar palavra anterior para melhorar as sugestões"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Previsão da palavra seguinte"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Use também a palavra anterior para prever"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Salvo"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Ir"</string>
     <string name="label_next_key" msgid="362972844525672568">"Avançar"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Texto por voz desat."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configurar métodos de entrada"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Idiomas de entrada"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Indicar data/hora no reg."</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Data/hora registrada"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Não registrar esta sessão"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Excluindo reg. de sessão"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Registro excluído"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Registro NÃO excluído"</string>
     <string name="select_language" msgid="3693815588777926848">"Idiomas de entrada"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Toque novamente para salvar"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Dicionário disponível"</string>
diff --git a/java/res/values-rm/strings.xml b/java/res/values-rm/strings.xml
index 18741f816..b39691ceb 100644
--- a/java/res/values-rm/strings.xml
+++ b/java/res/values-rm/strings.xml
@@ -26,6 +26,8 @@
     <string name="english_ime_settings" msgid="6661589557206947774">"Parameters da la tastatura Android"</string>
     <!-- no translation found for english_ime_input_options (3909945612939668554) -->
     <skip />
+    <!-- no translation found for english_ime_research_log (8492602295696577851) -->
+    <skip />
     <!-- no translation found for spell_checker_service_name (7338064335159755926) -->
     <skip />
     <!-- no translation found for aosp_spell_checker_service_name (6985142605330377819) -->
@@ -65,10 +67,6 @@
     <skip />
     <!-- no translation found for use_contacts_dict_summary (6599983334507879959) -->
     <skip />
-    <!-- no translation found for enable_span_insert (7204653105667167620) -->
-    <skip />
-    <!-- no translation found for enable_span_insert_summary (2947317657871394467) -->
-    <skip />
     <string name="auto_cap" msgid="1719746674854628252">"Maiusclas automaticas"</string>
     <!-- no translation found for configure_dictionaries_title (4238652338556902049) -->
     <skip />
@@ -96,13 +94,9 @@
     <skip />
     <!-- no translation found for auto_correction_threshold_mode_very_aggeressive (3386782235540547678) -->
     <skip />
-    <!-- no translation found for bigram_suggestion (8169311444438922902) -->
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
     <skip />
-    <!-- no translation found for bigram_suggestion_summary (6635527607242625713) -->
-    <skip />
-    <!-- no translation found for bigram_prediction (3216364899483135294) -->
-    <skip />
-    <!-- no translation found for bigram_prediction_summary (1747261921174300098) -->
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
     <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Memorisà"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Dai"</string>
@@ -190,6 +184,18 @@
     <!-- no translation found for configure_input_method (373356270290742459) -->
     <skip />
     <string name="language_selection_title" msgid="1651299598555326750">"Linguas da cumonds vocals"</string>
+    <!-- no translation found for note_timestamp_for_researchlog (1889446857977976026) -->
+    <skip />
+    <!-- no translation found for notify_recorded_timestamp (8036429032449612051) -->
+    <skip />
+    <!-- no translation found for do_not_log_this_session (413762473641146336) -->
+    <skip />
+    <!-- no translation found for notify_session_log_deleting (3299507647764414623) -->
+    <skip />
+    <!-- no translation found for notify_session_log_deleted (8687927130100934686) -->
+    <skip />
+    <!-- no translation found for notify_session_log_not_deleted (2592908998810755970) -->
+    <skip />
     <!-- no translation found for select_language (3693815588777926848) -->
     <skip />
     <!-- no translation found for hint_add_to_dictionary (573678656946085380) -->
diff --git a/java/res/values-ro/strings.xml b/java/res/values-ro/strings.xml
index 0c4d8bcfb..07c0c00a1 100644
--- a/java/res/values-ro/strings.xml
+++ b/java/res/values-ro/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Tastatură Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Setările tastaturii Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Opţiuni de introducere text"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Comenzi jurnal cercetare"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Verificator ortografic Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Verificator ortografic Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Setări de verificare ortografică"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Prestabilit"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Sugeraţi nume din Agendă"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Utilizaţi numele din Agendă pentru sugestii şi corecţii"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Activaţi rectificările"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Setaţi sugestii pentru rectificări"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Auto-capitalizare"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Dicţionare suplimentare"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Dicţionar principal"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Moderată"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresivă"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Foarte exigentă"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Sugestii pentru cuvântul următor"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Utilizaţi cuvântul anterior pentru a îmbunătăţi sugestiile"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Predicţia cuvântului următor"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Se utilizează şi cuvântul precedent pentru predicţii"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: salvat"</string>
     <string name="label_go_key" msgid="1635148082137219148">"OK"</string>
     <string name="label_next_key" msgid="362972844525672568">"Înainte"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Intr. vocală dezact."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Configuraţi metodele de intrare"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Selectaţi limba"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Înreg. marc. temp. jurnal"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Marcaj temporal înregis."</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Nu înregistraţi sesiunea"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Se șterge jurnal sesiune"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Jurnal de sesiune șters"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Jurnal sesiune neşters"</string>
     <string name="select_language" msgid="3693815588777926848">"Limbi de intrare"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Atingeţi din nou pentru a salva"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Dicţionar disponibil"</string>
diff --git a/java/res/values-ru/strings.xml b/java/res/values-ru/strings.xml
index f76cc8eaf..69b4fe914 100644
--- a/java/res/values-ru/strings.xml
+++ b/java/res/values-ru/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Клавиатура Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Клавиатура Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Настройки"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Все команды"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Проверка правописания Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Проверка правописания Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Настройка проверки правописания"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"По умолчанию"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Подсказывать имена"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Подсказывать исправления на основе имен из списка контактов"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Автоисправление"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Показывать варианты исправления"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Заглавные автоматически"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Дополнительные словари"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Основной словарь"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Умеренное"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Активное"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Очень активно"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Следующие варианты"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Использовать предыдущее слово, чтобы исправить предложенные варианты"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Следующая подсказка"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Использовать предыдущее слово для прогнозирования"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: сохранено"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Поиск"</string>
     <string name="label_next_key" msgid="362972844525672568">"Далее"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Голосовой ввод откл."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Настройка способов ввода"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Языки ввода"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Закладка в журнале"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Закладка сохранена"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Не сохранять этот сеанс"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Удаление…"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Запись сеанса удалена"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Запись сеанса НЕ удалена"</string>
     <string name="select_language" msgid="3693815588777926848">"Языки ввода"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Нажмите, чтобы сохранить"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Доступен словарь"</string>
diff --git a/java/res/values-sk/strings.xml b/java/res/values-sk/strings.xml
index 44eecdc74..4b04075e3 100644
--- a/java/res/values-sk/strings.xml
+++ b/java/res/values-sk/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Klávesnica Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Nastavenia klávesnice Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Možnosti zadávania textu a údajov"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Príkazy denníka výskumu"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Kontrola pravopisu Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Kontrola pravopisu Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Nastavenia kontroly pravopisu"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Predvolená"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Navrhnúť mená kontaktov"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Používať mená z Kontaktov na návrhy a opravy"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Povoliť opätovné opravy"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Nastaviť návrhy pre opätovné opravy"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Veľké písmená automaticky"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Doplnkové slovníky"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Hlavný slovník"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Mierne"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresívne"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Veľmi agresívne"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Návrhy ďalšieho slova"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Na zlepšenie návrhov použiť predchádzajúce slovo"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Odhad ďalšieho slova"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Použiť predchádzajúce slovo aj pre predpoveď"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Uložené"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Hľadať"</string>
     <string name="label_next_key" msgid="362972844525672568">"Ďalej"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Hlasový vstup je zakázaný"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfigurovať metódy vstupu"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Jazyky vstupu"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Časová pečiatka denníka"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Časová pečiatka zaznamenaná"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Neukl. reláciu do denníka"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Odstraň. denníka relácie"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Denník relácie odstránený"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Denník relácie NIE JE odstr."</string>
     <string name="select_language" msgid="3693815588777926848">"Jazyky vstupu"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Opätovným dotykom uložíte"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"K dispozícii je slovník"</string>
diff --git a/java/res/values-sl/strings.xml b/java/res/values-sl/strings.xml
index ce7dc70bb..efcf3bff7 100644
--- a/java/res/values-sl/strings.xml
+++ b/java/res/values-sl/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Tipkovnica Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Nastavitve tipkovnice Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Možnosti vnosa"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Ukazi za dnevnik raziskav"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Črkovalnik za Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Črkovalnik za Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Nastavitve preverjanja črkovanja"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Privzeto"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Predlagaj imena stikov"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Uporaba imen iz stikov za predloge in popravke"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Omogoči vnovične popravke"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Nastavitev predlogov za vnovične popravke"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Samod. velike začetnice"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Dodatni slovarji"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Glavni slovar"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Zmerno"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Strogo"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Zelo strogo"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Predlogi naslednje besede"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Predloge izboljšaj s prejšnjo besedo"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Predvidevanje naslednje besede"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Uporabi prejšnjo besedo tudi za predvidevanje"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: shranjeno"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Pojdi"</string>
     <string name="label_next_key" msgid="362972844525672568">"Naprej"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Glas. vnos je onem."</string>
     <string name="configure_input_method" msgid="373356270290742459">"Nastavitev načinov vnosa"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Jeziki vnosa"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"V dnev. zabeleži čas. žig"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Časovni žig zabeležen"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Brez dnevnika za to sejo"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Brisanje seje dnevnika"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Dnevnik seje izbrisan"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Dnevnik seje NI izbrisan"</string>
     <string name="select_language" msgid="3693815588777926848">"Jeziki vnosa"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Dotaknite se še enkrat, da shranite"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Slovar je na voljo"</string>
diff --git a/java/res/values-sr/strings.xml b/java/res/values-sr/strings.xml
index 6d2899b47..4cfb77ada 100644
--- a/java/res/values-sr/strings.xml
+++ b/java/res/values-sr/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android тастатура (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Подешавања Android тастатуре"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Опције уноса"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Команде евиденције истраживања"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android провера правописа"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android провера правописа (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Подешавања провере правописа"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Подразумевано"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Предложи имена контаката"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Користи имена из Контаката за предлоге и исправке"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Омогући поновне исправке"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Подешавање предлога за поновне исправке"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Аутоматски унос великих слова"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Помоћни речници"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Главни речник"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Умерено"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Агресивно"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Веома агресивно"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Предлози за следећу реч"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Користи претходну реч за побољшање предлога"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Предвиђање следеће речи"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Користи претходну реч и за предвиђање"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Сачувано"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Иди"</string>
     <string name="label_next_key" msgid="362972844525672568">"Следеће"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Гласовни унос је онемогућен"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Конфигурисање метода уноса"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Језици за унос"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Наведи временску ознаку у евиденцији"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Снимљена временска ознака"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Не евидентирај ову сесију"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Брисање евиденције сесије"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Евиденција сесије је обрисана"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Евиденција сесије НИЈЕ избрисана"</string>
     <string name="select_language" msgid="3693815588777926848">"Језици уноса"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Поново додирните да бисте сачували"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Речник је доступан"</string>
diff --git a/java/res/values-sv/strings.xml b/java/res/values-sv/strings.xml
index 75e80d42d..f24446976 100644
--- a/java/res/values-sv/strings.xml
+++ b/java/res/values-sv/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Androids tangentbord (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Inställningar för Androids tangentbord"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Inmatningsalternativ"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Loggkommandon"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Stavningskontroll i Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Stavningskontroll i Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Inställningar för stavningskontroll"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Standard"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Föreslå kontaktnamn"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Använd namn från Kontakter för förslag och korrigeringar"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Aktivera omkorrigeringar"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Ställ in förslag för omkorrigeringar"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Automatiska versaler"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Tilläggsordlistor"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Huvudordlistan"</string>
@@ -61,10 +60,8 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Måttlig"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Aggressiv"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Mycket aggressivt"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Föreslå nästa ord"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Förbättra förslagen med föregående ord"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Förutspå nästa ord"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Använd även föregående ord för att ge förslag"</string>
+    <string name="bigram_prediction" msgid="5809665643352206540">"Föreslå nästa ord"</string>
+    <string name="bigram_prediction_summary" msgid="3253961591626441019">"Baserat på föregående ord"</string>
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>: sparat"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Kör"</string>
     <string name="label_next_key" msgid="362972844525672568">"Nästa"</string>
@@ -111,6 +108,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Röstinmatning inaktiv"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Konfigurera inmatningsmetoder"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Inmatningsspråk"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Markera tidpunkt i loggen"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Tidpunkten har sparats"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Logga inte detta besök"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Besöksloggen tas bort"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Besöksloggen togs bort"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Besöksloggen togs EJ bort"</string>
     <string name="select_language" msgid="3693815588777926848">"Inmatningsspråk"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Spara genom att trycka igen"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"En ordlista är tillgänglig"</string>
diff --git a/java/res/values-sw/strings.xml b/java/res/values-sw/strings.xml
index da51cb3b9..4b60868c2 100644
--- a/java/res/values-sw/strings.xml
+++ b/java/res/values-sw/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Kicharazio cha Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Mipangilio ya kibodi ya Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Chaguo za uingizaji"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Amri za Kumbukumbu za Utafiti"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Kikagua tahajia cha Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Kikagua tahajia cha Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Mipangilio ya kukagua sarufi"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Chaguo-msingi"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Pendekeza majini ya Anwani"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Tumia majina kutoka kwa Anwani kwa mapendekezo na marekebisho"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Wezesha masahihisho mapya"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Weka mapendekezo kwa ajili ya kusahihisha upya"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Uwekaji wa herufi kubwa kiotomatiki"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Nyongeza za kamusi"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Kamusi kuu"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Ya wastani"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Ya hima"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Changamfu zaidi"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Mapendekezo ya neno lifuatalo"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Tumia neno la awali ili kuboresha mapendekezo"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Utabiri wa neno lifuatalo"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Tumia  neno la awali pia kwa udadisi"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Imehifadhiwa"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Nenda"</string>
     <string name="label_next_key" msgid="362972844525672568">"Ifuatayo"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Uingizaji sauti umelemazwa"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Sanidi mbinu za uingizaji"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Lugha za uingizaji"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Dokeza mhuri wa muda kwenye kumbukumbu"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Mhuri wa muda uliorekodiwa"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Usihifadhi kumbukumbu za kipindi hiki"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Inafuta kumbukumbu za kipindi"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Kumbukumbu za kipindi zimefutwa"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Kumbukumbu za kipindi HAZIJAFUTWA"</string>
     <string name="select_language" msgid="3693815588777926848">"Lugha zinazoruhusiwa"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Gusa tena ili kuhifadhi"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Kamusi inapatikana"</string>
diff --git a/java/res/values-th/strings.xml b/java/res/values-th/strings.xml
index da20d6607..b5ba7abe8 100644
--- a/java/res/values-th/strings.xml
+++ b/java/res/values-th/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android keyboard (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"การตั้งค่าแป้นพิมพ์ Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"ตัวเลือกการป้อนข้อมูล"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"คำสั่งบันทึกการวิจัย"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"แอนดรอยด์ตรวจสอบการสะกด"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"แอนดรอยด์ตรวจสอบการสะกด (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"การตั้งค่าการตรวจสอบการสะกด"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"ค่าเริ่มต้น"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"แนะนำชื่อผู้ติดต่อ"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"ใช้ชื่อจากรายชื่อติดต่อสำหรับคำแนะนำและการแก้ไข"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"เปิดใช้งานการแก้ไขซ้ำ"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"ตั้งค่าคำแนะนำสำหรับการแก้ไขซ้ำ"</string>
     <string name="auto_cap" msgid="1719746674854628252">"ปรับเป็นตัวพิมพ์ใหญ่อัตโนมัติ"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"พจนานุกรม Add-On"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"พจนานุกรมหลัก"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"ปานกลาง"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"เข้มงวด"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"เข้มงวดมาก"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"คำแนะนำสำหรับคำถัดไป"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"ใช้คำก่อนหน้านี้เพื่อปรับปรุงคำแนะนำ"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"การคาดคะเนคำถัดไป"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"ใช้คำก่อนหน้านี้สำหรับการคาดคะเน"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : บันทึกแล้ว"</string>
     <string name="label_go_key" msgid="1635148082137219148">"ไป"</string>
     <string name="label_next_key" msgid="362972844525672568">"ถัดไป"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"ปิดใช้งานป้อนข้อมูลด้วยเสียง"</string>
     <string name="configure_input_method" msgid="373356270290742459">"กำหนดค่าวิธีการป้อนข้อมูล"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"ภาษาในการป้อนข้อมูล"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"จดเวลาบันทึกไว้ในบันทึก"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"บันทึกเวลาบันทึกแล้ว"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"อย่าบันทึกเซสชันนี้"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"กำลังลบบันทึกเซสชัน"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"ลบบันทึกเซสชันแล้ว"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"บันทึกเซสชันไม่ถูกลบ"</string>
     <string name="select_language" msgid="3693815588777926848">"ภาษาสำหรับการป้อนข้อมูล"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"แตะอีกครั้งเพื่อบัน​​ทึก"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"มีพจนานุกรมให้ใช้งาน"</string>
diff --git a/java/res/values-tl/strings.xml b/java/res/values-tl/strings.xml
index 7d365b2dc..60b4762d8 100644
--- a/java/res/values-tl/strings.xml
+++ b/java/res/values-tl/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android keyboard (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Mga setting ng Android keyboard"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Mga pagpipilian sa input"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Cmmnd sa Log ng Pnnliksik"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Pang-check ng pagbabaybay ng Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Pang-check ng pagbabaybay ng Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Mga setting ng pang-check ng pagbabaybay"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Default"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Mungkahi pangalan Contact"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Gamitin pangalan mula Mga Contact sa mga mungkahi\'t pagwawasto"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Paganahin ang mga muling pagtatama"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Magtakda ng mga suhestyon para sa mga muling pagtatama"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Auto-capitalization"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Mga diksyunaryo na add-on"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Pangunahing diksyunaryo"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Modest"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresibo"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Napaka-agresibo"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Mga paghuhula sa susunod na salita"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Gamitin ang naunang salita para mapahusay ang mga suhestiyon"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Paghuhula sa susunod na salita"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Gamitin ang nakaraang salita para din sa hula"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Na-save"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Punta"</string>
     <string name="label_next_key" msgid="362972844525672568">"Susunod"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Hindi pinagana ang voice input"</string>
     <string name="configure_input_method" msgid="373356270290742459">"I-configure ang mga pamamaraan ng pag-input"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Mag-input ng mga wika"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Tandaan timestamp sa log"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Na-record na timestamp"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Huwag i-log ang session"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Tinatanggl log ng session"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Tinanggal log ng session"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"HND ntnggl log ng session"</string>
     <string name="select_language" msgid="3693815588777926848">"Mga wika ng input"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Pinduting muli upang i-save"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Available ang diksyunaryo"</string>
diff --git a/java/res/values-tr/strings.xml b/java/res/values-tr/strings.xml
index b2f73912e..2567c6677 100644
--- a/java/res/values-tr/strings.xml
+++ b/java/res/values-tr/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android klavye (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android klavye ayarları"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Giriş seçenekleri"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Araştırma Günlüğü Komutları"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android yazım denetleyici"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android yazım denetleyici (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Yazım denetimi ayarları"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Varsayılan"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Kişi Adları öner"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Öneri ve düzeltmeler için Kişiler\'deki adları kullan"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Düzeltmeleri etkinleştir"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Yeniden düzeltmeler için önerileri ayarla"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Otomatik olarak büyük fark yap"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Ek sözlükler"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Ana sözlük"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Ölçülü"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Agresif"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Çok geniş ölçekte"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Sonraki kelime önerileri"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Önerileri geliştirmek için önceki kelimeyi kullan"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Sonraki kelime tahmini"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Önceki kelimeyi de tahmin için kullan"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Kaydedildi"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Git"</string>
     <string name="label_next_key" msgid="362972844525672568">"İleri"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Sesle grş devre dışı"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Giriş yöntemlerini yapılandır"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Giriş dilleri"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Günlüğe zaman damgası koy"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Zaman damgası kaydedildi"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Bu oturumu günlüğe kaydetme"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Oturum günlüğü siliniyor"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Oturum günlüğü silindi"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Oturum günlüğü SİLİNMEDİ"</string>
     <string name="select_language" msgid="3693815588777926848">"Giriş dilleri"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Kaydetmek için tekrar dokunun"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Sözlük kullanılabilir"</string>
diff --git a/java/res/values-uk/strings.xml b/java/res/values-uk/strings.xml
index e994e1a15..3fc8402ba 100644
--- a/java/res/values-uk/strings.xml
+++ b/java/res/values-uk/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Клавіатура Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Налашт-ня клавіат. Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Парам. введення"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Команди журналу дослідж."</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Засіб перевірки орфографії Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Засіб перевірки орфографії Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Налаштування перевірки орфографії"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"За умовчанням"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Пропон. імена контактів"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Використ. імена зі списку контактів для пропозицій і виправлень"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Увімкнути виправлення"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Показувати варіанти автовиправлень"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Авто викор. вел. літер"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Додані словники"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Основний словник"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Помірне"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Активне"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Дуже активне"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Пропозиції наступного слова"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Використати попереднє слово для покращення пропозицій"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Передбачення наступного слова"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Використовувати попереднє слово також як передбачений запит"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : збережено"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Іти"</string>
     <string name="label_next_key" msgid="362972844525672568">"Далі"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Голос. ввід вимкнено"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Налаштування методів введення"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Мови вводу"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Мітка часу в журналі"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Записана мітка часу"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Не реєструвати цю сесію"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Видалення журналу сесії"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Журнал сесії видалено"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Журнал сесії НЕ видалено"</string>
     <string name="select_language" msgid="3693815588777926848">"Мови введення"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Торкніться знову, щоб зберегти"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Словник доступний"</string>
diff --git a/java/res/values-vi/strings.xml b/java/res/values-vi/strings.xml
index 753af1840..57c1bdbb4 100644
--- a/java/res/values-vi/strings.xml
+++ b/java/res/values-vi/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Bàn phím Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Cài đặt bàn phím Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Tùy chọn nhập"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Lệnh ghi nhật ký cho nghiên cứu"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Trình kiểm tra chính tả Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Trình kiểm tra chính tả Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Cài đặt kiểm tra chính tả"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Mặc định"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Đề xuất tên liên hệ"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Sử dụng tên từ Danh bạ cho các đề xuất và chỉnh sửa"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Bật sửa đổi lại"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Đặt đề xuất cho các sửa đổi lại"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Tự động viết hoa"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Thêm từ điển"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Từ điển chính"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Đơn giản"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Linh hoạt"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Rất linh hoạt"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Đề xuất từ tiếp theo"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Sử dụng từ trước đó để cải tiến đề xuất"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Dự đoán từ tiếp theo"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Cũng sử dụng từ trước đó để dự đoán"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Đã lưu"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Tìm"</string>
     <string name="label_next_key" msgid="362972844525672568">"Tiếp theo"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Nhập liệu bằng giọng nói đã bị tắt"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Định cấu hình phương thức nhập"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Ngôn ngữ nhập"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Dấu thời gian ghi chú trong nhật ký"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Dấu thời gian đã ghi"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Không ghi nhật ký phiên này"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Đang xóa nhật ký phiên"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Đã xóa nhật ký phiên"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Nhật ký phiên KHÔNG bị xóa"</string>
     <string name="select_language" msgid="3693815588777926848">"Ngôn ngữ nhập"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Chạm lại để lưu"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Có sẵn từ điển"</string>
diff --git a/java/res/values-zh-rCN/strings.xml b/java/res/values-zh-rCN/strings.xml
index efde54103..deb4fe0fc 100644
--- a/java/res/values-zh-rCN/strings.xml
+++ b/java/res/values-zh-rCN/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android 键盘 (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android 键盘设置"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"输入选项"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"研究记录命令"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android 拼写检查工具"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android 拼写检查工具 (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"拼写检查设置"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"默认"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"联系人姓名建议"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"使用联系人中的姓名提供建议和更正"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"允许再次更正"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"设置建议以用于再次更正"</string>
     <string name="auto_cap" msgid="1719746674854628252">"自动大写"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"附加词典"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"主词典"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"小改"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"大改"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"改动极大"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"下一字词建议"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"使用上一字词改进建议"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"下一字词预测"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"结合前一个字词进行预测"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>：已保存"</string>
     <string name="label_go_key" msgid="1635148082137219148">"开始"</string>
     <string name="label_next_key" msgid="362972844525672568">"下一步"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"语音输入功能已停用"</string>
     <string name="configure_input_method" msgid="373356270290742459">"配置输入法"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"输入语言"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"标记记录中的时间"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"已标记时间"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"不记录本次会话"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"正在删除会话记录"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"会话记录已删除"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"未能删除会话记录"</string>
     <string name="select_language" msgid="3693815588777926848">"输入语言"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"再次触摸即可保存"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"有可用词典"</string>
diff --git a/java/res/values-zh-rTW/strings.xml b/java/res/values-zh-rTW/strings.xml
index 51df022aa..bbe6976dc 100644
--- a/java/res/values-zh-rTW/strings.xml
+++ b/java/res/values-zh-rTW/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Android 鍵盤 (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Android 鍵盤設定"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"輸入選項"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"研究紀錄指令"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Android 拼字檢查"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Android 拼字檢查 (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"拼字檢查設定"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"預設"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"建議聯絡人名稱"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"根據「聯絡人」名稱提供建議與修正"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"啟用重新更正"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"設定建議供重新更正"</string>
     <string name="auto_cap" msgid="1719746674854628252">"自動大寫"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"外掛字典"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"主要字典"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"更正範圍小"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"更正範圍大"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"更正範圍極大"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"下一個字詞建議"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"根據前一個字詞找出更適合的建議"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"下一個字詞預測"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"同樣使用前一個字詞進行預測"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g>：已儲存"</string>
     <string name="label_go_key" msgid="1635148082137219148">"開始"</string>
     <string name="label_next_key" msgid="362972844525672568">"繼續"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"語音輸入已停用"</string>
     <string name="configure_input_method" msgid="373356270290742459">"設定輸入法"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"輸入語言"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"在紀錄中加註時間戳記"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"已記錄時間戳記"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"不要記錄這個工作階段"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"正在刪除工作階段紀錄"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"已刪除工作階段紀錄"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"「未」刪除工作階段紀錄"</string>
     <string name="select_language" msgid="3693815588777926848">"輸入語言"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"再次輕觸即可儲存"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"可使用字典"</string>
diff --git a/java/res/values-zu/strings.xml b/java/res/values-zu/strings.xml
index d3f80e42a..101d91498 100644
--- a/java/res/values-zu/strings.xml
+++ b/java/res/values-zu/strings.xml
@@ -24,6 +24,7 @@
     <string name="aosp_android_keyboard_ime_name" msgid="7877134937939182296">"Ikhibhodi ye-Android (AOSP)"</string>
     <string name="english_ime_settings" msgid="6661589557206947774">"Izilungiselelo zekhibhodi ye-Android"</string>
     <string name="english_ime_input_options" msgid="3909945612939668554">"Okukhethwa kukho kokungenayo"</string>
+    <string name="english_ime_research_log" msgid="8492602295696577851">"Imiyalo yefayela lokungena lokucwaninga"</string>
     <string name="spell_checker_service_name" msgid="7338064335159755926">"Isihloli sokupela se-Android"</string>
     <string name="aosp_spell_checker_service_name" msgid="6985142605330377819">"Isihloli sokupela se-Android (AOSP)"</string>
     <string name="android_spell_checker_settings" msgid="5822324635435443689">"Izilungiselelo zokuhlola ukupela"</string>
@@ -45,8 +46,6 @@
     <string name="key_preview_popup_dismiss_default_delay" msgid="2166964333903906734">"Okuzenzakalelayo"</string>
     <string name="use_contacts_dict" msgid="4435317977804180815">"Sikisela amagama Othintana nabo"</string>
     <string name="use_contacts_dict_summary" msgid="6599983334507879959">"Amagama abasebenzisi kusuka Kothintana nabo bokusikisela nokulungisa"</string>
-    <string name="enable_span_insert" msgid="7204653105667167620">"Vumela ukulungiswa kabusha"</string>
-    <string name="enable_span_insert_summary" msgid="2947317657871394467">"Setha iziphakamiso zokulungisa kabusha"</string>
     <string name="auto_cap" msgid="1719746674854628252">"Ukwenza ofeleba okuzenzakalelayo"</string>
     <string name="configure_dictionaries_title" msgid="4238652338556902049">"Faka izichazamazwi"</string>
     <string name="main_dictionary" msgid="4798763781818361168">"Isichazamazwi sakho ngqangi"</string>
@@ -61,10 +60,10 @@
     <string name="auto_correction_threshold_mode_modest" msgid="8788366690620799097">"Thobekile"</string>
     <string name="auto_correction_threshold_mode_aggeressive" msgid="3524029103734923819">"Bukhali"</string>
     <string name="auto_correction_threshold_mode_very_aggeressive" msgid="3386782235540547678">"Nobudlova kakhulu"</string>
-    <string name="bigram_suggestion" msgid="8169311444438922902">"Iziphakamiso zegama elilandelayo"</string>
-    <string name="bigram_suggestion_summary" msgid="6635527607242625713">"Sebenzisa igama elandulele ukuthuthukisa iziphakamiso"</string>
-    <string name="bigram_prediction" msgid="3216364899483135294">"Ukuqagela kwegama elilandelayo"</string>
-    <string name="bigram_prediction_summary" msgid="1747261921174300098">"Sebenzisa igama langaphambilini ukuze uqagele"</string>
+    <!-- no translation found for bigram_prediction (5809665643352206540) -->
+    <skip />
+    <!-- no translation found for bigram_prediction_summary (3253961591626441019) -->
+    <skip />
     <string name="added_word" msgid="8993883354622484372">"<xliff:g id="WORD">%s</xliff:g> : Kulondoloziwe"</string>
     <string name="label_go_key" msgid="1635148082137219148">"Iya"</string>
     <string name="label_next_key" msgid="362972844525672568">"Okulandelayo"</string>
@@ -111,6 +110,12 @@
     <string name="voice_input_modes_summary_off" msgid="63875609591897607">"Okufakwayo ngezwi kuvinjelwe"</string>
     <string name="configure_input_method" msgid="373356270290742459">"Misa izindlela zokufakwayo"</string>
     <string name="language_selection_title" msgid="1651299598555326750">"Izilimi zokufakwayo"</string>
+    <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"Qaphela isitembu sesikhathi efayeleni lokungena"</string>
+    <string name="notify_recorded_timestamp" msgid="8036429032449612051">"Isitembu sesikhathi esirekhodiwe"</string>
+    <string name="do_not_log_this_session" msgid="413762473641146336">"Ungenzi ifayela lokungena lalesi sikhathi"</string>
+    <string name="notify_session_log_deleting" msgid="3299507647764414623">"Isusa ifayela lokungena lesikhathi"</string>
+    <string name="notify_session_log_deleted" msgid="8687927130100934686">"Ifayela lokungena lesikhathi lisusiwe"</string>
+    <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"Ifayela lokungena lesikhathi alisusiwe"</string>
     <string name="select_language" msgid="3693815588777926848">"Izilimi zokufakwayo"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"Thinta futhi ukuze ulondoloze"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"Isichazamazwi siyatholakala"</string>
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 8d3319dae..589830d8e 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -22,13 +22,10 @@
     <bool name="config_use_fullscreen_mode">false</bool>
     <bool name="config_enable_show_voice_key_option">true</bool>
     <bool name="config_enable_show_popup_on_keypress_option">true</bool>
-    <bool name="config_enable_next_word_suggestions_option">true</bool>
-    <bool name="config_enable_usability_study_mode_option">false</bool>
+    <!-- TODO: Disable the following configuration for production. -->
+    <bool name="config_enable_usability_study_mode_option">true</bool>
     <!-- Whether or not Popup on key press is enabled by default -->
     <bool name="config_default_popup_preview">true</bool>
-    <!-- Default value for next word suggestion: while showing suggestions for a word should we weigh
-         in the previous word? -->
-    <bool name="config_default_next_word_suggestions">true</bool>
     <!-- Default value for next word prediction: after entering a word and a space only, should we look
          at input history to suggest a hopefully helpful suggestions for the next word? -->
     <bool name="config_default_next_word_prediction">true</bool>
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index d51d3789a..6c66a4844 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -26,6 +26,8 @@
     <string name="english_ime_settings">Android keyboard settings</string>
     <!-- Title for Latin keyboard input options dialog [CHAR LIMIT=25] -->
     <string name="english_ime_input_options">Input options</string>
+    <!-- Title for Latin keyboard research log dialog, which contains special commands for users that contribute data for research. [CHAR LIMIT=33] -->
+    <string name="english_ime_research_log">Research Log Commands</string>
 
     <!-- Name of Android spell checker service -->
     <string name="spell_checker_service_name">Android spell checker</string>
@@ -83,11 +85,6 @@
     <!-- Description for option enabling or disabling the use of names of people in Contacts for suggestion and correction [CHAR LIMIT=65] -->
     <string name="use_contacts_dict_summary">Use names from Contacts for suggestions and corrections</string>
 
-    <!-- Option name for enabling insertion of suggestion spans (advanced option) [CHAR LIMIT=25] -->
-    <string name="enable_span_insert">Enable recorrections</string>
-    <!-- Option summary for enabling insertion of suggestion spans (advanced option) [CHAR LIMIT=65] -->
-    <string name="enable_span_insert_summary">Set suggestions for recorrections</string>
-
     <!-- Option to enable auto capitalization of sentences -->
     <string name="auto_cap">Auto-capitalization</string>
 
@@ -118,14 +115,10 @@
     <!-- Option to suggest auto correction suggestions very aggressively. Auto-corrects to a word which has even large edit distance from typed word. [CHAR LIMIT=20] -->
     <string name="auto_correction_threshold_mode_very_aggeressive">Very aggressive</string>
 
-    <!-- Option to enable next word correction -->
-    <string name="bigram_suggestion">Next word suggestions</string>
-    <!-- Option to enable next word suggestion. This uses the previous word in an attempt to improve the suggestions quality -->
-    <string name="bigram_suggestion_summary">Use previous word to improve suggestions</string>
-    <!-- Option to enable using next word prediction -->
-    <string name="bigram_prediction">Next word prediction</string>
-    <!-- Description for "next word prediction" option. This displays suggestions even when there is no input, based on the previous word. -->
-    <string name="bigram_prediction_summary">Use previous word also for prediction</string>
+    <!-- Option to enable using next word suggestions. After the user types a space, with this option on, the keyboard will try to predict the next word. -->
+    <string name="bigram_prediction">Next word suggestions</string>
+    <!-- Description for "next word suggestion" option. This displays suggestions even when there is no input, based on the previous word. -->
+    <string name="bigram_prediction_summary">Based on previous word</string>
 
     <!-- Indicates that a word has been added to the dictionary -->
     <string name="added_word"><xliff:g id="word">%s</xliff:g> : Saved</string>
@@ -233,6 +226,20 @@
     <!-- Title for input language selection screen -->
     <string name="language_selection_title">Input languages</string>
 
+    <!-- Title for dialog option that lets user mark a particular time in the log for later review by experts [CHAR LIMIT=38] -->
+    <string name="note_timestamp_for_researchlog">Note timestamp in log</string>
+    <!-- Toast notification message that the time has been marked for later review. [CHAR LIMIT=25] -->
+    <string name="notify_recorded_timestamp">Recorded timestamp</string>
+
+    <!-- Title for dialog option to let users cancel logging and delete log for this session [CHAR LIMIT=35] -->
+    <string name="do_not_log_this_session">Do not log this session</string>
+    <!-- Toast notification that the system is processing the request to delete the log for this session [CHAR LIMIT=35] -->
+    <string name="notify_session_log_deleting">Deleting session log</string>
+    <!-- Toast notification that the system has successfully deleted the log for this session [CHAR LIMIT=35] -->
+    <string name="notify_session_log_deleted">Session log deleted</string>
+    <!-- Toast notification that the system has failed to delete the log for this session [CHAR LIMIT=35] -->
+    <string name="notify_session_log_not_deleted">Session log NOT deleted</string>
+
     <!-- Preference for input language selection -->
     <string name="select_language">Input languages</string>
 
@@ -289,7 +296,7 @@
     <string name="subtype_locale">Language</string>
     <!-- Title of the spinner for choosing a keyboard layout of custom style in the settings dialog [CHAR LIMIT=15] -->
     <string name="keyboard_layout_set">Layout</string>
-    <!-- The message of the dialog to note that a custom input style needs to be enabled. [CHAR LIMIT=64] -->
+    <!-- The message of the dialog to note that a custom input style needs to be enabled. [CHAR LIMIT=130] -->
     <string name="custom_input_style_note_message">"Your custom input style needs to be enabled before you start using it. Do you want to enable it now?"</string>
     <!-- Title of the button to enable a custom input style entry in the settings dialog [CHAR LIMIT=15] -->
     <string name="enable">Enable</string>
diff --git a/java/res/xml/key_styles_common.xml b/java/res/xml/key_styles_common.xml
index 622da2120..162119dab 100644
--- a/java/res/xml/key_styles_common.xml
+++ b/java/res/xml/key_styles_common.xml
@@ -22,23 +22,8 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
     <!-- Base key style for the key which may have settings or tab key as popup key. -->
-    <switch>
-        <case
-            latin:clobberSettingsKey="true"
-        >
-            <key-style
-                latin:styleName="f1MoreKeysStyle"
-                latin:backgroundType="functional" />
-        </case>
-        <!-- clobberSettingsKey="false" -->
-        <default>
-            <key-style
-                latin:styleName="f1MoreKeysStyle"
-                latin:keyLabelFlags="hasPopupHint"
-                latin:moreKeys="!text/settings_as_more_key"
-                latin:backgroundType="functional" />
-        </default>
-    </switch>
+    <include
+        latin:keyboardLayout="@xml/key_styles_f1" />
     <!-- Functional key styles -->
     <switch>
         <case
diff --git a/java/res/xml/key_styles_f1.xml b/java/res/xml/key_styles_f1.xml
new file mode 100644
index 000000000..8dfc3cb84
--- /dev/null
+++ b/java/res/xml/key_styles_f1.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2012, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<merge
+    xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
+>
+    <!-- Base key style for the key which may have settings or tab key as popup key. -->
+    <!-- Kept as a separate file for cleaner overriding by an overlay.  -->
+    <switch>
+        <case
+            latin:clobberSettingsKey="true"
+        >
+            <key-style
+                latin:styleName="f1MoreKeysStyle"
+                latin:backgroundType="functional" />
+        </case>
+        <!-- clobberSettingsKey="false" -->
+        <default>
+            <key-style
+                latin:styleName="f1MoreKeysStyle"
+                latin:keyLabelFlags="hasPopupHint"
+                latin:moreKeys="!text/settings_as_more_key"
+                latin:backgroundType="functional" />
+        </default>
+    </switch>
+</merge>
diff --git a/java/res/xml/prefs.xml b/java/res/xml/prefs.xml
index 137981949..bf8805875 100644
--- a/java/res/xml/prefs.xml
+++ b/java/res/xml/prefs.xml
@@ -81,6 +81,12 @@
         android:title="@string/misc_category"
         android:key="misc_settings">
         <CheckBoxPreference
+            android:key="next_word_prediction"
+            android:title="@string/bigram_prediction"
+            android:summary="@string/bigram_prediction_summary"
+            android:persistent="true"
+            android:defaultValue="true" />
+        <CheckBoxPreference
             android:key="usability_study_mode"
             android:title="@string/prefs_usability_study_mode"
             android:persistent="true"
@@ -114,24 +120,6 @@
                 android:summary="@string/use_contacts_dict_summary"
                 android:persistent="true"
                 android:defaultValue="true" />
-            <CheckBoxPreference
-                android:key="next_word_suggestion"
-                android:title="@string/bigram_suggestion"
-                android:summary="@string/bigram_suggestion_summary"
-                android:persistent="true"
-                android:defaultValue="true" />
-            <CheckBoxPreference
-                android:key="next_word_prediction"
-                android:title="@string/bigram_prediction"
-                android:summary="@string/bigram_prediction_summary"
-                android:persistent="true"
-                android:defaultValue="true" />
-            <CheckBoxPreference
-                android:key="enable_span_insert"
-                android:title="@string/enable_span_insert"
-                android:summary="@string/enable_span_insert_summary"
-                android:persistent="true"
-                android:defaultValue="true" />
             <PreferenceScreen
                 android:key="pref_vibration_duration_settings"
                 android:title="@string/prefs_keypress_vibration_duration_settings"/>
diff --git a/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java b/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
index 23acb8b74..5ffd94a43 100644
--- a/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
+++ b/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
@@ -19,6 +19,7 @@ package com.android.inputmethod.accessibility;
 import android.content.Context;
 import android.text.TextUtils;
 import android.util.Log;
+import android.util.SparseIntArray;
 import android.view.inputmethod.EditorInfo;
 
 import com.android.inputmethod.keyboard.Key;
@@ -39,8 +40,8 @@ public class KeyCodeDescriptionMapper {
     // Map of key labels to spoken description resource IDs
     private final HashMap<CharSequence, Integer> mKeyLabelMap;
 
-    // Map of key codes to spoken description resource IDs
-    private final HashMap<Integer, Integer> mKeyCodeMap;
+    // Sparse array of spoken description resource IDs indexed by key codes
+    private final SparseIntArray mKeyCodeMap;
 
     public static void init() {
         sInstance.initInternal();
@@ -52,7 +53,7 @@ public class KeyCodeDescriptionMapper {
 
     private KeyCodeDescriptionMapper() {
         mKeyLabelMap = new HashMap<CharSequence, Integer>();
-        mKeyCodeMap = new HashMap<Integer, Integer>();
+        mKeyCodeMap = new SparseIntArray();
     }
 
     private void initInternal() {
@@ -60,7 +61,7 @@ public class KeyCodeDescriptionMapper {
         mKeyLabelMap.put(":-)", R.string.spoken_description_smiley);
 
         // Symbols that most TTS engines can't speak
-        mKeyCodeMap.put((int) ' ', R.string.spoken_description_space);
+        mKeyCodeMap.put(' ', R.string.spoken_description_space);
 
         // Special non-character codes defined in Keyboard
         mKeyCodeMap.put(Keyboard.CODE_DELETE, R.string.spoken_description_delete);
@@ -273,7 +274,8 @@ public class KeyCodeDescriptionMapper {
             return context.getString(OBSCURED_KEY_RES_ID);
         }
 
-        if (mKeyCodeMap.containsKey(code)) {
+        final int resId = mKeyCodeMap.get(code);
+        if (resId != 0) {
             return context.getString(mKeyCodeMap.get(code));
         } else if (isDefinedNonCtrl) {
             return Character.toString((char) code);
diff --git a/java/src/com/android/inputmethod/keyboard/Keyboard.java b/java/src/com/android/inputmethod/keyboard/Keyboard.java
index 21f175d7d..1b4cea2e7 100644
--- a/java/src/com/android/inputmethod/keyboard/Keyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/Keyboard.java
@@ -23,6 +23,8 @@ import android.content.res.XmlResourceParser;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
 import android.util.Log;
+import android.util.SparseArray;
+import android.util.SparseIntArray;
 import android.util.TypedValue;
 import android.util.Xml;
 import android.view.InflateException;
@@ -44,7 +46,6 @@ import org.xmlpull.v1.XmlPullParserException;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Locale;
 
@@ -89,7 +90,8 @@ public class Keyboard {
     private static final int MINIMUM_LETTER_CODE = CODE_TAB;
 
     /** Special keys code. Must be negative.
-     * These should be aligned with values/keycodes.xml
+     * These should be aligned with KeyboardCodesSet.ID_TO_NAME[],
+     * KeyboardCodesSet.DEFAULT[] and KeyboardCodesSet.RTL[]
      */
     public static final int CODE_SHIFT = -1;
     public static final int CODE_SWITCH_ALPHA_SYMBOL = -2;
@@ -101,8 +103,9 @@ public class Keyboard {
     public static final int CODE_ACTION_NEXT = -8;
     public static final int CODE_ACTION_PREVIOUS = -9;
     public static final int CODE_LANGUAGE_SWITCH = -10;
+    public static final int CODE_RESEARCH = -11;
     // Code value representing the code is not specified.
-    public static final int CODE_UNSPECIFIED = -11;
+    public static final int CODE_UNSPECIFIED = -12;
 
     public final KeyboardId mId;
     public final int mThemeId;
@@ -132,7 +135,7 @@ public class Keyboard {
     public final Key[] mAltCodeKeysWhileTyping;
     public final KeyboardIconsSet mIconsSet;
 
-    private final HashMap<Integer, Key> mKeyCache = new HashMap<Integer, Key>();
+    private final SparseArray<Key> mKeyCache = new SparseArray<Key>();
 
     private final ProximityInfo mProximityInfo;
     private final boolean mProximityCharsCorrectionEnabled;
@@ -182,23 +185,23 @@ public class Keyboard {
         if (code == CODE_UNSPECIFIED) {
             return null;
         }
-        final Integer keyCode = code;
-        if (mKeyCache.containsKey(keyCode)) {
-            return mKeyCache.get(keyCode);
+        final int index = mKeyCache.indexOfKey(code);
+        if (index >= 0) {
+            return mKeyCache.valueAt(index);
         }
 
         for (final Key key : mKeys) {
             if (key.mCode == code) {
-                mKeyCache.put(keyCode, key);
+                mKeyCache.put(code, key);
                 return key;
             }
         }
-        mKeyCache.put(keyCode, null);
+        mKeyCache.put(code, null);
         return null;
     }
 
     public boolean hasKey(Key aKey) {
-        if (mKeyCache.containsKey(aKey)) {
+        if (mKeyCache.indexOfValue(aKey) >= 0) {
             return true;
         }
 
@@ -342,8 +345,8 @@ public class Keyboard {
 
         private int mMaxHeightCount = 0;
         private int mMaxWidthCount = 0;
-        private final HashMap<Integer, Integer> mHeightHistogram = new HashMap<Integer, Integer>();
-        private final HashMap<Integer, Integer> mWidthHistogram = new HashMap<Integer, Integer>();
+        private final SparseIntArray mHeightHistogram = new SparseIntArray();
+        private final SparseIntArray mWidthHistogram = new SparseIntArray();
 
         private void clearHistogram() {
             mMostCommonKeyHeight = 0;
@@ -355,22 +358,22 @@ public class Keyboard {
             mWidthHistogram.clear();
         }
 
-        private static int updateHistogramCounter(HashMap<Integer, Integer> histogram,
-                Integer key) {
-            final int count = (histogram.containsKey(key) ? histogram.get(key) : 0) + 1;
+        private static int updateHistogramCounter(SparseIntArray histogram, int key) {
+            final int index = histogram.indexOfKey(key);
+            final int count = (index >= 0 ? histogram.get(key) : 0) + 1;
             histogram.put(key, count);
             return count;
         }
 
         private void updateHistogram(Key key) {
-            final Integer height = key.mHeight + key.mVerticalGap;
+            final int height = key.mHeight + key.mVerticalGap;
             final int heightCount = updateHistogramCounter(mHeightHistogram, height);
             if (heightCount > mMaxHeightCount) {
                 mMaxHeightCount = heightCount;
                 mMostCommonKeyHeight = height;
             }
 
-            final Integer width = key.mWidth + key.mHorizontalGap;
+            final int width = key.mWidth + key.mHorizontalGap;
             final int widthCount = updateHistogramCounter(mWidthHistogram, width);
             if (widthCount > mMaxWidthCount) {
                 mMaxWidthCount = widthCount;
@@ -422,67 +425,67 @@ public class Keyboard {
      * This class parses Keyboard XML file and eventually build a Keyboard.
      * The Keyboard XML file looks like:
      * <pre>
-     *   &gt;!-- xml/keyboard.xml --&lt;
-     *   &gt;Keyboard keyboard_attributes*&lt;
-     *     &gt;!-- Keyboard Content --&lt;
-     *     &gt;Row row_attributes*&lt;
-     *       &gt;!-- Row Content --&lt;
-     *       &gt;Key key_attributes* /&lt;
-     *       &gt;Spacer horizontalGap="32.0dp" /&lt;
-     *       &gt;include keyboardLayout="@xml/other_keys"&lt;
+     *   &lt;!-- xml/keyboard.xml --&gt;
+     *   &lt;Keyboard keyboard_attributes*&gt;
+     *     &lt;!-- Keyboard Content --&gt;
+     *     &lt;Row row_attributes*&gt;
+     *       &lt;!-- Row Content --&gt;
+     *       &lt;Key key_attributes* /&gt;
+     *       &lt;Spacer horizontalGap="32.0dp" /&gt;
+     *       &lt;include keyboardLayout="@xml/other_keys"&gt;
      *       ...
-     *     &gt;/Row&lt;
-     *     &gt;include keyboardLayout="@xml/other_rows"&lt;
+     *     &lt;/Row&gt;
+     *     &lt;include keyboardLayout="@xml/other_rows"&gt;
      *     ...
-     *   &gt;/Keyboard&lt;
+     *   &lt;/Keyboard&gt;
      * </pre>
-     * The XML file which is included in other file must have &gt;merge&lt; as root element,
+     * The XML file which is included in other file must have &lt;merge&gt; as root element,
      * such as:
      * <pre>
-     *   &gt;!-- xml/other_keys.xml --&lt;
-     *   &gt;merge&lt;
-     *     &gt;Key key_attributes* /&lt;
+     *   &lt;!-- xml/other_keys.xml --&gt;
+     *   &lt;merge&gt;
+     *     &lt;Key key_attributes* /&gt;
      *     ...
-     *   &gt;/merge&lt;
+     *   &lt;/merge&gt;
      * </pre>
      * and
      * <pre>
-     *   &gt;!-- xml/other_rows.xml --&lt;
-     *   &gt;merge&lt;
-     *     &gt;Row row_attributes*&lt;
-     *       &gt;Key key_attributes* /&lt;
-     *     &gt;/Row&lt;
+     *   &lt;!-- xml/other_rows.xml --&gt;
+     *   &lt;merge&gt;
+     *     &lt;Row row_attributes*&gt;
+     *       &lt;Key key_attributes* /&gt;
+     *     &lt;/Row&gt;
      *     ...
-     *   &gt;/merge&lt;
+     *   &lt;/merge&gt;
      * </pre>
      * You can also use switch-case-default tags to select Rows and Keys.
      * <pre>
-     *   &gt;switch&lt;
-     *     &gt;case case_attribute*&lt;
-     *       &gt;!-- Any valid tags at switch position --&lt;
-     *     &gt;/case&lt;
+     *   &lt;switch&gt;
+     *     &lt;case case_attribute*&gt;
+     *       &lt;!-- Any valid tags at switch position --&gt;
+     *     &lt;/case&gt;
      *     ...
-     *     &gt;default&lt;
-     *       &gt;!-- Any valid tags at switch position --&lt;
-     *     &gt;/default&lt;
-     *   &gt;/switch&lt;
+     *     &lt;default&gt;
+     *       &lt;!-- Any valid tags at switch position --&gt;
+     *     &lt;/default&gt;
+     *   &lt;/switch&gt;
      * </pre>
      * You can declare Key style and specify styles within Key tags.
      * <pre>
-     *     &gt;switch&lt;
-     *       &gt;case mode="email"&lt;
-     *         &gt;key-style styleName="f1-key" parentStyle="modifier-key"
+     *     &lt;switch&gt;
+     *       &lt;case mode="email"&gt;
+     *         &lt;key-style styleName="f1-key" parentStyle="modifier-key"
      *           keyLabel=".com"
-     *         /&lt;
-     *       &gt;/case&lt;
-     *       &gt;case mode="url"&lt;
-     *         &gt;key-style styleName="f1-key" parentStyle="modifier-key"
+     *         /&gt;
+     *       &lt;/case&gt;
+     *       &lt;case mode="url"&gt;
+     *         &lt;key-style styleName="f1-key" parentStyle="modifier-key"
      *           keyLabel="http://"
-     *         /&lt;
-     *       &gt;/case&lt;
-     *     &gt;/switch&lt;
+     *         /&gt;
+     *       &lt;/case&gt;
+     *     &lt;/switch&gt;
      *     ...
-     *     &gt;Key keyStyle="shift-key" ... /&lt;
+     *     &lt;Key keyStyle="shift-key" ... /&gt;
      * </pre>
      */
 
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java b/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
index 8c7246855..aab89a3e5 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
@@ -29,6 +29,7 @@ import android.content.res.TypedArray;
 import android.content.res.XmlResourceParser;
 import android.text.InputType;
 import android.util.Log;
+import android.util.SparseArray;
 import android.util.Xml;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodSubtype;
@@ -116,9 +117,9 @@ public class KeyboardLayoutSet {
         InputMethodSubtype mSubtype;
         int mOrientation;
         int mWidth;
-        // KeyboardLayoutSet element id to element's parameters map.
-        final HashMap<Integer, ElementParams> mKeyboardLayoutSetElementIdToParamsMap =
-                new HashMap<Integer, ElementParams>();
+        // Sparse array of KeyboardLayoutSet element parameters indexed by element's id.
+        final SparseArray<ElementParams> mKeyboardLayoutSetElementIdToParamsMap =
+                new SparseArray<ElementParams>();
 
         static class ElementParams {
             int mKeyboardXmlId;
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
index 51a0f537f..fb98af3e6 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
@@ -30,6 +30,7 @@ import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.os.Message;
 import android.util.AttributeSet;
+import android.util.SparseArray;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -42,7 +43,6 @@ import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
 import com.android.inputmethod.latin.StringUtils;
 
-import java.util.HashMap;
 import java.util.HashSet;
 
 /**
@@ -124,12 +124,10 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
     private Canvas mCanvas;
     private final Paint mPaint = new Paint();
     private final Paint.FontMetrics mFontMetrics = new Paint.FontMetrics();
-    // This map caches key label text height in pixel as value and key label text size as map key.
-    private static final HashMap<Integer, Float> sTextHeightCache =
-            new HashMap<Integer, Float>();
-    // This map caches key label text width in pixel as value and key label text size as map key.
-    private static final HashMap<Integer, Float> sTextWidthCache =
-            new HashMap<Integer, Float>();
+    // This sparse array caches key label text height in pixel indexed by key label text size.
+    private static final SparseArray<Float> sTextHeightCache = new SparseArray<Float>();
+    // This sparse array caches key label text width in pixel indexed by key label text size.
+    private static final SparseArray<Float> sTextWidthCache = new SparseArray<Float>();
     private static final char[] KEY_LABEL_REFERENCE_CHAR = { 'M' };
     private static final char[] KEY_NUMERIC_HINT_LABEL_REFERENCE_CHAR = { '8' };
 
@@ -766,7 +764,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
     private final Rect mTextBounds = new Rect();
 
     private float getCharHeight(char[] referenceChar, Paint paint) {
-        final Integer key = getCharGeometryCacheKey(referenceChar[0], paint);
+        final int key = getCharGeometryCacheKey(referenceChar[0], paint);
         final Float cachedValue = sTextHeightCache.get(key);
         if (cachedValue != null)
             return cachedValue;
@@ -778,7 +776,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
     }
 
     private float getCharWidth(char[] referenceChar, Paint paint) {
-        final Integer key = getCharGeometryCacheKey(referenceChar[0], paint);
+        final int key = getCharGeometryCacheKey(referenceChar[0], paint);
         final Float cachedValue = sTextWidthCache.get(key);
         if (cachedValue != null)
             return cachedValue;
@@ -873,6 +871,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
                 keyPreview, ViewLayoutUtils.newLayoutParam(mPreviewPlacer, 0, 0));
     }
 
+    @SuppressWarnings("deprecation") // setBackgroundDrawable is replaced by setBackground in API16
     @Override
     public void showKeyPreview(PointerTracker tracker) {
         if (!mShowKeyPreviewPopup) return;
diff --git a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
index 383298de9..7714ba892 100644
--- a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
@@ -127,7 +127,6 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
         private static final int MSG_TYPING_STATE_EXPIRED = 4;
 
         private final KeyTimerParams mParams;
-        private boolean mInKeyRepeat;
 
         public KeyTimerHandler(LatinKeyboardView outerInstance, KeyTimerParams params) {
             super(outerInstance);
@@ -140,8 +139,11 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
             final PointerTracker tracker = (PointerTracker) msg.obj;
             switch (msg.what) {
             case MSG_REPEAT_KEY:
-                tracker.onRegisterKey(tracker.getKey());
-                startKeyRepeatTimer(tracker, mParams.mKeyRepeatInterval);
+                final Key currentKey = tracker.getKey();
+                if (currentKey != null && currentKey.mCode == msg.arg1) {
+                    tracker.onRegisterKey(currentKey);
+                    startKeyRepeatTimer(tracker, mParams.mKeyRepeatInterval);
+                }
                 break;
             case MSG_LONGPRESS_KEY:
                 if (tracker != null) {
@@ -158,22 +160,23 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
         }
 
         private void startKeyRepeatTimer(PointerTracker tracker, long delay) {
-            sendMessageDelayed(obtainMessage(MSG_REPEAT_KEY, tracker), delay);
+            final Key key = tracker.getKey();
+            if (key == null) return;
+            sendMessageDelayed(obtainMessage(MSG_REPEAT_KEY, key.mCode, 0, tracker), delay);
         }
 
         @Override
         public void startKeyRepeatTimer(PointerTracker tracker) {
-            mInKeyRepeat = true;
             startKeyRepeatTimer(tracker, mParams.mKeyRepeatStartTimeout);
         }
 
         public void cancelKeyRepeatTimer() {
-            mInKeyRepeat = false;
             removeMessages(MSG_REPEAT_KEY);
         }
 
+        // TODO: Suppress layout changes in key repeat mode
         public boolean isInKeyRepeat() {
-            return mInKeyRepeat;
+            return hasMessages(MSG_REPEAT_KEY);
         }
 
         @Override
@@ -451,8 +454,8 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
      */
     @Override
     public void setKeyboard(Keyboard keyboard) {
-        // Remove any pending messages, except dismissing preview
-        mKeyTimerHandler.cancelKeyTimers();
+        // Remove any pending messages, except dismissing preview and key repeat.
+        mKeyTimerHandler.cancelLongPressTimer();
         super.setKeyboard(keyboard);
         mKeyDetector.setKeyboard(
                 keyboard, -getPaddingLeft(), -getPaddingTop() + mVerticalCorrection);
@@ -755,15 +758,18 @@ public class LatinKeyboardView extends KeyboardView implements PointerTracker.Ke
                 final PointerTracker tracker = PointerTracker.getPointerTracker(
                         pointerId, this);
                 final int px, py;
+                final MotionEvent motionEvent;
                 if (mMoreKeysPanel != null
                         && tracker.mPointerId == mMoreKeysPanelPointerTrackerId) {
                     px = mMoreKeysPanel.translateX((int)me.getX(i));
                     py = mMoreKeysPanel.translateY((int)me.getY(i));
+                    motionEvent = null;
                 } else {
                     px = (int)me.getX(i);
                     py = (int)me.getY(i);
+                    motionEvent = me;
                 }
-                tracker.onMoveEvent(px, py, eventTime);
+                tracker.onMoveEvent(px, py, eventTime, motionEvent);
                 if (ENABLE_USABILITY_STUDY_LOG) {
                     final float pointerSize = me.getSize(i);
                     final float pointerPressure = me.getPressure(i);
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index babf6ec99..32ef408b4 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -148,9 +148,6 @@ public class PointerTracker {
     // true if this pointer has been long-pressed and is showing a more keys panel.
     private boolean mIsShowingMoreKeysPanel;
 
-    // true if this pointer is repeatable key
-    private boolean mIsRepeatableKey;
-
     // true if this pointer is in sliding key input
     boolean mIsInSlidingKeyInput;
 
@@ -242,10 +239,6 @@ public class PointerTracker {
                     + " ignoreModifier=" + ignoreModifierKey
                     + " enabled=" + key.isEnabled());
         }
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.pointerTracker_callListenerOnPressAndCheckKeyboardLayoutChange(key,
-                    ignoreModifierKey);
-        }
         if (ignoreModifierKey) {
             return false;
         }
@@ -323,6 +316,13 @@ public class PointerTracker {
     private void setKeyDetectorInner(KeyDetector keyDetector) {
         mKeyDetector = keyDetector;
         mKeyboard = keyDetector.getKeyboard();
+        final Key newKey = mKeyDetector.detectHitKey(mKeyX, mKeyY);
+        if (newKey != mCurrentKey) {
+            if (mDrawingProxy != null) {
+                setReleasedKeyGraphics(mCurrentKey);
+            }
+            mCurrentKey = newKey;
+        }
         final int keyQuarterWidth = mKeyboard.mMostCommonKeyWidth / 4;
         mKeyQuarterWidthSquared = keyQuarterWidth * keyQuarterWidth;
     }
@@ -469,7 +469,7 @@ public class PointerTracker {
             onUpEvent(x, y, eventTime);
             break;
         case MotionEvent.ACTION_MOVE:
-            onMoveEvent(x, y, eventTime);
+            onMoveEvent(x, y, eventTime, null);
             break;
         case MotionEvent.ACTION_CANCEL:
             onCancelEvent(x, y, eventTime);
@@ -525,7 +525,6 @@ public class PointerTracker {
                 || mKeyDetector.alwaysAllowsSlidingInput();
         mKeyboardLayoutHasBeenChanged = false;
         mKeyAlreadyProcessed = false;
-        mIsRepeatableKey = false;
         mIsInSlidingKeyInput = false;
         mIgnoreModifierKey = false;
         if (key != null) {
@@ -549,7 +548,7 @@ public class PointerTracker {
         mIsInSlidingKeyInput = true;
     }
 
-    public void onMoveEvent(int x, int y, long eventTime) {
+    public void onMoveEvent(int x, int y, long eventTime, MotionEvent me) {
         if (DEBUG_MOVE_EVENT)
             printTouchEvent("onMoveEvent:", x, y, eventTime);
         if (mKeyAlreadyProcessed)
@@ -672,7 +671,7 @@ public class PointerTracker {
         }
         if (mKeyAlreadyProcessed)
             return;
-        if (!mIsRepeatableKey) {
+        if (mCurrentKey != null && !mCurrentKey.isRepeatable()) {
             detectAndSendKey(mCurrentKey, mKeyX, mKeyY);
         }
     }
@@ -718,9 +717,6 @@ public class PointerTracker {
         if (key != null && key.isRepeatable()) {
             onRegisterKey(key);
             mTimerProxy.startKeyRepeatTimer(this);
-            mIsRepeatableKey = true;
-        } else {
-            mIsRepeatableKey = false;
         }
     }
 
@@ -764,14 +760,10 @@ public class PointerTracker {
         callListenerOnRelease(key, code, false);
     }
 
-    private long mPreviousEventTime;
-
     private void printTouchEvent(String title, int x, int y, long eventTime) {
         final Key key = mKeyDetector.detectHitKey(x, y);
         final String code = KeyDetector.printableCode(key);
-        final long delta = eventTime - mPreviousEventTime;
         Log.d(TAG, String.format("%s%s[%d] %4d %4d %5d %s", title,
-                (mKeyAlreadyProcessed ? "-" : " "), mPointerId, x, y, delta, code));
-        mPreviousEventTime = eventTime;
+                (mKeyAlreadyProcessed ? "-" : " "), mPointerId, x, y, eventTime, code));
     }
 }
diff --git a/java/src/com/android/inputmethod/keyboard/ProximityInfo.java b/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
index 1207c3fcd..ae123e29a 100644
--- a/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
+++ b/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
@@ -24,9 +24,10 @@ import com.android.inputmethod.keyboard.Keyboard.Params.TouchPositionCorrection;
 import com.android.inputmethod.latin.JniUtils;
 
 import java.util.Arrays;
-import java.util.HashMap;
 
 public class ProximityInfo {
+    /** MAX_PROXIMITY_CHARS_SIZE must be the same as MAX_PROXIMITY_CHARS_SIZE_INTERNAL
+     * in defines.h */
     public static final int MAX_PROXIMITY_CHARS_SIZE = 16;
     /** Number of key widths from current touch point to search for nearest keys. */
     private static float SEARCH_DISTANCE = 1.2f;
@@ -75,27 +76,6 @@ public class ProximityInfo {
         mNativeProximityInfo = createNativeProximityInfo();
     }
 
-    // TODO: Remove this public constructor when the native part of the ProximityInfo becomes
-    // immutable.
-    // This public constructor aims only for test purpose.
-    public ProximityInfo(ProximityInfo o) {
-        mLocaleStr = o.mLocaleStr;
-        mGridWidth = o.mGridWidth;
-        mGridHeight = o.mGridHeight;
-        mGridSize = o.mGridSize;
-        mCellWidth = o.mCellWidth;
-        mCellHeight = o.mCellHeight;
-        mKeyboardMinWidth = o.mKeyboardMinWidth;
-        mKeyboardHeight = o.mKeyboardHeight;
-        mKeyHeight = o.mKeyHeight;
-        mMostCommonKeyWidth = o.mMostCommonKeyWidth;
-        mKeys = o.mKeys;
-        mTouchPositionCorrection = o.mTouchPositionCorrection;
-        mGridNeighbors = new Key[mGridSize][];
-        computeNearestNeighbors();
-        mNativeProximityInfo = createNativeProximityInfo();
-    }
-
     public static ProximityInfo createDummyProximityInfo() {
         return new ProximityInfo("", 1, 1, 1, 1, 1, 1, EMPTY_KEY_ARRAY, null);
     }
@@ -209,10 +189,6 @@ public class ProximityInfo {
     private void computeNearestNeighbors() {
         final int defaultWidth = mMostCommonKeyWidth;
         final Key[] keys = mKeys;
-        final HashMap<Integer, Key> keyCodeMap = new HashMap<Integer, Key>();
-        for (final Key key : keys) {
-            keyCodeMap.put(key.mCode, key);
-        }
         final int thresholdBase = (int) (defaultWidth * SEARCH_DISTANCE);
         final int threshold = thresholdBase * thresholdBase;
         // Round-up so we don't have any pixels outside the grid
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java b/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
index 80f4f259b..291b3b943 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
@@ -18,6 +18,7 @@ package com.android.inputmethod.keyboard.internal;
 
 import android.content.res.TypedArray;
 import android.util.Log;
+import android.util.SparseArray;
 
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.latin.R;
@@ -89,7 +90,7 @@ public class KeyStyles {
 
     private class DeclaredKeyStyle extends KeyStyle {
         private final String mParentStyleName;
-        private final HashMap<Integer, Object> mStyleAttributes = new HashMap<Integer, Object>();
+        private final SparseArray<Object> mStyleAttributes = new SparseArray<Object>();
 
         public DeclaredKeyStyle(String parentStyleName) {
             mParentStyleName = parentStyleName;
@@ -100,8 +101,9 @@ public class KeyStyles {
             if (a.hasValue(index)) {
                 return parseStringArray(a, index);
             }
-            if (mStyleAttributes.containsKey(index)) {
-                return (String[])mStyleAttributes.get(index);
+            final Object value = mStyleAttributes.get(index);
+            if (value != null) {
+                return (String[])value;
             }
             final KeyStyle parentStyle = mStyles.get(mParentStyleName);
             return parentStyle.getStringArray(a, index);
@@ -112,8 +114,9 @@ public class KeyStyles {
             if (a.hasValue(index)) {
                 return parseString(a, index);
             }
-            if (mStyleAttributes.containsKey(index)) {
-                return (String)mStyleAttributes.get(index);
+            final Object value = mStyleAttributes.get(index);
+            if (value != null) {
+                return (String)value;
             }
             final KeyStyle parentStyle = mStyles.get(mParentStyleName);
             return parentStyle.getString(a, index);
@@ -124,8 +127,9 @@ public class KeyStyles {
             if (a.hasValue(index)) {
                 return a.getInt(index, defaultValue);
             }
-            if (mStyleAttributes.containsKey(index)) {
-                return (Integer)mStyleAttributes.get(index);
+            final Object value = mStyleAttributes.get(index);
+            if (value != null) {
+                return (Integer)value;
             }
             final KeyStyle parentStyle = mStyles.get(mParentStyleName);
             return parentStyle.getInt(a, index, defaultValue);
@@ -133,12 +137,13 @@ public class KeyStyles {
 
         @Override
         public int getFlag(TypedArray a, int index) {
-            int value = a.getInt(index, 0);
-            if (mStyleAttributes.containsKey(index)) {
-                value |= (Integer)mStyleAttributes.get(index);
+            int flags = a.getInt(index, 0);
+            final Object value = mStyleAttributes.get(index);
+            if (value != null) {
+                flags |= (Integer)value;
             }
             final KeyStyle parentStyle = mStyles.get(mParentStyleName);
-            return value | parentStyle.getFlag(a, index);
+            return flags | parentStyle.getFlag(a, index);
         }
 
         void readKeyAttributes(TypedArray keyAttr) {
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
index 67cb74f4d..f7981a320 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
@@ -52,6 +52,7 @@ public class KeyboardCodesSet {
         "key_action_next",
         "key_action_previous",
         "key_language_switch",
+        "key_research",
         "key_unspecified",
         "key_left_parenthesis",
         "key_right_parenthesis",
@@ -86,6 +87,7 @@ public class KeyboardCodesSet {
         Keyboard.CODE_ACTION_NEXT,
         Keyboard.CODE_ACTION_PREVIOUS,
         Keyboard.CODE_LANGUAGE_SWITCH,
+        Keyboard.CODE_RESEARCH,
         Keyboard.CODE_UNSPECIFIED,
         CODE_LEFT_PARENTHESIS,
         CODE_RIGHT_PARENTHESIS,
@@ -112,6 +114,7 @@ public class KeyboardCodesSet {
         DEFAULT[11],
         DEFAULT[12],
         DEFAULT[13],
+        DEFAULT[14],
         CODE_RIGHT_PARENTHESIS,
         CODE_LEFT_PARENTHESIS,
         CODE_GREATER_THAN_SIGN,
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
index 540e63b3f..5155851fe 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
@@ -20,6 +20,7 @@ import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
 import android.util.Log;
+import android.util.SparseIntArray;
 
 import com.android.inputmethod.latin.R;
 
@@ -31,8 +32,7 @@ public class KeyboardIconsSet {
     public static final int ICON_UNDEFINED = 0;
     private static final int ATTR_UNDEFINED = 0;
 
-    private static final HashMap<Integer, Integer> ATTR_ID_TO_ICON_ID
-            = new HashMap<Integer, Integer>();
+    private static final SparseIntArray ATTR_ID_TO_ICON_ID = new SparseIntArray();
 
     // Icon name to icon id map.
     private static final HashMap<String, Integer> sNameToIdsMap = new HashMap<String, Integer>();
@@ -76,7 +76,9 @@ public class KeyboardIconsSet {
     }
 
     public void loadIcons(final TypedArray keyboardAttrs) {
-        for (final Integer attrId : ATTR_ID_TO_ICON_ID.keySet()) {
+        final int size = ATTR_ID_TO_ICON_ID.size();
+        for (int index = 0; index < size; index++) {
+            final int attrId = ATTR_ID_TO_ICON_ID.keyAt(index);
             try {
                 final Drawable icon = keyboardAttrs.getDrawable(attrId);
                 setDefaultBounds(icon);
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java
index 43ffb85f7..4ab6832c3 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java
@@ -21,8 +21,6 @@ import android.util.Log;
 
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.latin.Constants;
-import com.android.inputmethod.latin.ResearchLogger;
-import com.android.inputmethod.latin.define.ProductionFlag;
 
 /**
  * Keyboard state machine.
@@ -305,9 +303,6 @@ public class KeyboardState {
             Log.d(TAG, "onPressKey: code=" + Keyboard.printableCode(code)
                    + " single=" + isSinglePointer + " autoCaps=" + autoCaps + " " + this);
         }
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.keyboardState_onPressKey(code, this);
-        }
         if (code == Keyboard.CODE_SHIFT) {
             onPressShift();
         } else if (code == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) {
@@ -341,9 +336,6 @@ public class KeyboardState {
             Log.d(TAG, "onReleaseKey: code=" + Keyboard.printableCode(code)
                     + " sliding=" + withSliding + " " + this);
         }
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.keyboardState_onReleaseKey(this, code, withSliding);
-        }
         if (code == Keyboard.CODE_SHIFT) {
             onReleaseShift(withSliding);
         } else if (code == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) {
@@ -375,9 +367,6 @@ public class KeyboardState {
         if (DEBUG_EVENT) {
             Log.d(TAG, "onLongPressTimeout: code=" + Keyboard.printableCode(code) + " " + this);
         }
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.keyboardState_onLongPressTimeout(code, this);
-        }
         if (mIsAlphabetMode && code == Keyboard.CODE_SHIFT) {
             mLongPressShiftLockFired = true;
             mSwitchActions.hapticAndAudioFeedback(code);
@@ -509,9 +498,6 @@ public class KeyboardState {
         if (DEBUG_EVENT) {
             Log.d(TAG, "onCancelInput: single=" + isSinglePointer + " " + this);
         }
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.keyboardState_onCancelInput(isSinglePointer, this);
-        }
         // Switch back to the previous keyboard mode if the user cancels sliding input.
         if (isSinglePointer) {
             if (mSwitchState == SWITCH_STATE_MOMENTARY_ALPHA_AND_SYMBOL) {
@@ -543,9 +529,6 @@ public class KeyboardState {
                     + " single=" + isSinglePointer
                     + " autoCaps=" + autoCaps + " " + this);
         }
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.keyboardState_onCodeInput(code, isSinglePointer, autoCaps, this);
-        }
 
         switch (mSwitchState) {
         case SWITCH_STATE_MOMENTARY_ALPHA_AND_SYMBOL:
diff --git a/java/src/com/android/inputmethod/latin/AutoCorrection.java b/java/src/com/android/inputmethod/latin/AutoCorrection.java
index e0452483c..3eb53fca6 100644
--- a/java/src/com/android/inputmethod/latin/AutoCorrection.java
+++ b/java/src/com/android/inputmethod/latin/AutoCorrection.java
@@ -21,7 +21,6 @@ import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import android.text.TextUtils;
 import android.util.Log;
 
-import java.util.ArrayList;
 import java.util.concurrent.ConcurrentHashMap;
 
 public class AutoCorrection {
@@ -32,23 +31,6 @@ public class AutoCorrection {
         // Purely static class: can't instantiate.
     }
 
-    public static CharSequence computeAutoCorrectionWord(
-            final ConcurrentHashMap<String, Dictionary> dictionaries,
-            final WordComposer wordComposer, final ArrayList<SuggestedWordInfo> suggestions,
-            final CharSequence consideredWord, final float autoCorrectionThreshold,
-            final CharSequence whitelistedWord) {
-        if (hasAutoCorrectionForWhitelistedWord(whitelistedWord)) {
-            return whitelistedWord;
-        } else if (hasAutoCorrectionForConsideredWord(
-                dictionaries, wordComposer, suggestions, consideredWord)) {
-            return consideredWord;
-        } else if (hasAutoCorrectionForBinaryDictionary(wordComposer, suggestions,
-                consideredWord, autoCorrectionThreshold)) {
-            return suggestions.get(0).mWord;
-        }
-        return null;
-    }
-
     public static boolean isValidWord(final ConcurrentHashMap<String, Dictionary> dictionaries,
             CharSequence word, boolean ignoreCase) {
         if (TextUtils.isEmpty(word)) {
@@ -56,7 +38,7 @@ public class AutoCorrection {
         }
         final CharSequence lowerCasedWord = word.toString().toLowerCase();
         for (final String key : dictionaries.keySet()) {
-            if (key.equals(Suggest.DICT_KEY_WHITELIST)) continue;
+            if (key.equals(Dictionary.TYPE_WHITELIST)) continue;
             final Dictionary dictionary = dictionaries.get(key);
             // It's unclear how realistically 'dictionary' can be null, but the monkey is somehow
             // managing to get null in here. Presumably the language is changing to a language with
@@ -81,7 +63,7 @@ public class AutoCorrection {
         }
         int maxFreq = -1;
         for (final String key : dictionaries.keySet()) {
-            if (key.equals(Suggest.DICT_KEY_WHITELIST)) continue;
+            if (key.equals(Dictionary.TYPE_WHITELIST)) continue;
             final Dictionary dictionary = dictionaries.get(key);
             if (null == dictionary) continue;
             final int tempFreq = dictionary.getFrequency(word);
@@ -92,11 +74,12 @@ public class AutoCorrection {
         return maxFreq;
     }
 
-    public static boolean allowsToBeAutoCorrected(
+    // Returns true if this is a whitelist entry, or it isn't in any dictionary.
+    public static boolean isWhitelistedOrNotAWord(
             final ConcurrentHashMap<String, Dictionary> dictionaries,
             final CharSequence word, final boolean ignoreCase) {
         final WhitelistDictionary whitelistDictionary =
-                (WhitelistDictionary)dictionaries.get(Suggest.DICT_KEY_WHITELIST);
+                (WhitelistDictionary)dictionaries.get(Dictionary.TYPE_WHITELIST);
         // If "word" is in the whitelist dictionary, it should not be auto corrected.
         if (whitelistDictionary != null
                 && whitelistDictionary.shouldForciblyAutoCorrectFrom(word)) {
@@ -105,33 +88,18 @@ public class AutoCorrection {
         return !isValidWord(dictionaries, word, ignoreCase);
     }
 
-    private static boolean hasAutoCorrectionForWhitelistedWord(CharSequence whiteListedWord) {
-        return whiteListedWord != null;
-    }
-
-    private static boolean hasAutoCorrectionForConsideredWord(
-            final ConcurrentHashMap<String, Dictionary> dictionaries,
-            final WordComposer wordComposer, final ArrayList<SuggestedWordInfo> suggestions,
-            final CharSequence consideredWord) {
-        if (TextUtils.isEmpty(consideredWord)) return false;
-        return wordComposer.size() > 1 && suggestions.size() > 0
-                && !allowsToBeAutoCorrected(dictionaries, consideredWord, false);
-    }
-
-    private static boolean hasAutoCorrectionForBinaryDictionary(WordComposer wordComposer,
-            ArrayList<SuggestedWordInfo> suggestions,
+    public static boolean suggestionExceedsAutoCorrectionThreshold(SuggestedWordInfo suggestion,
             CharSequence consideredWord, float autoCorrectionThreshold) {
-        if (wordComposer.size() > 1 && suggestions.size() > 0) {
-            final SuggestedWordInfo autoCorrectionSuggestion = suggestions.get(0);
+        if (null != suggestion) {
             //final int autoCorrectionSuggestionScore = sortedScores[0];
-            final int autoCorrectionSuggestionScore = autoCorrectionSuggestion.mScore;
+            final int autoCorrectionSuggestionScore = suggestion.mScore;
             // TODO: when the normalized score of the first suggestion is nearly equals to
             //       the normalized score of the second suggestion, behave less aggressive.
             final float normalizedScore = BinaryDictionary.calcNormalizedScore(
-                    consideredWord.toString(), autoCorrectionSuggestion.mWord.toString(),
+                    consideredWord.toString(), suggestion.mWord.toString(),
                     autoCorrectionSuggestionScore);
             if (DBG) {
-                Log.d(TAG, "Normalized " + consideredWord + "," + autoCorrectionSuggestion + ","
+                Log.d(TAG, "Normalized " + consideredWord + "," + suggestion + ","
                         + autoCorrectionSuggestionScore + ", " + normalizedScore
                         + "(" + autoCorrectionThreshold + ")");
             }
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index d0613bd72..ae415d0ab 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -20,7 +20,9 @@ import android.content.Context;
 import android.text.TextUtils;
 
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Locale;
 
@@ -40,17 +42,18 @@ public class BinaryDictionary extends Dictionary {
      */
     public static final int MAX_WORD_LENGTH = 48;
     public static final int MAX_WORDS = 18;
+    public static final int MAX_SPACES = 16;
 
     private static final String TAG = "BinaryDictionary";
     private static final int MAX_BIGRAMS = 60;
 
     private static final int TYPED_LETTER_MULTIPLIER = 2;
 
-    private int mDicTypeId;
     private long mNativeDict;
     private final int[] mInputCodes = new int[MAX_WORD_LENGTH];
     private final char[] mOutputChars = new char[MAX_WORD_LENGTH * MAX_WORDS];
     private final char[] mOutputChars_bigrams = new char[MAX_WORD_LENGTH * MAX_BIGRAMS];
+    private final int[] mSpaceIndices = new int[MAX_SPACES];
     private final int[] mScores = new int[MAX_WORDS];
     private final int[] mBigramScores = new int[MAX_BIGRAMS];
 
@@ -65,14 +68,12 @@ public class BinaryDictionary extends Dictionary {
      * @param offset the offset of the dictionary data within the file.
      * @param length the length of the binary data.
      * @param useFullEditDistance whether to use the full edit distance in suggestions
+     * @param dictType the dictionary type, as a human-readable string
      */
     public BinaryDictionary(final Context context,
             final String filename, final long offset, final long length,
-            final boolean useFullEditDistance, final Locale locale) {
-        // Note: at the moment a binary dictionary is always of the "main" type.
-        // Initializing this here will help transitioning out of the scheme where
-        // the Suggest class knows everything about every single dictionary.
-        mDicTypeId = Suggest.DIC_MAIN;
+            final boolean useFullEditDistance, final Locale locale, final String dictType) {
+        super(dictType);
         mUseFullEditDistance = useFullEditDistance;
         loadDictionary(filename, offset, length);
     }
@@ -87,8 +88,10 @@ public class BinaryDictionary extends Dictionary {
     private native int getFrequencyNative(long dict, int[] word, int wordLength);
     private native boolean isValidBigramNative(long dict, int[] word1, int[] word2);
     private native int getSuggestionsNative(long dict, long proximityInfo, int[] xCoordinates,
-            int[] yCoordinates, int[] inputCodes, int codesSize, int[] prevWordForBigrams,
-            boolean useFullEditDistance, char[] outputChars, int[] scores);
+            int[] yCoordinates, int[] times, int[] pointerIds, int[] inputCodes, int codesSize,
+            int commitPoint, boolean isGesture,
+            int[] prevWordCodePointArray, boolean useFullEditDistance, char[] outputChars,
+            int[] scores, int[] outputIndices);
     private native int getBigramsNative(long dict, int[] prevWord, int prevWordLength,
             int[] inputCodes, int inputCodesLength, char[] outputChars, int[] scores,
             int maxWordLength, int maxBigrams);
@@ -103,9 +106,9 @@ public class BinaryDictionary extends Dictionary {
     }
 
     @Override
-    public void getBigrams(final WordComposer codes, final CharSequence previousWord,
-            final WordCallback callback) {
-        if (mNativeDict == 0) return;
+    public ArrayList<SuggestedWordInfo> getBigrams(final WordComposer codes,
+            final CharSequence previousWord) {
+        if (mNativeDict == 0) return null;
 
         int[] codePoints = StringUtils.toCodePointArray(previousWord.toString());
         Arrays.fill(mOutputChars_bigrams, (char) 0);
@@ -123,6 +126,7 @@ public class BinaryDictionary extends Dictionary {
             count = MAX_BIGRAMS;
         }
 
+        final ArrayList<SuggestedWordInfo> suggestions = new ArrayList<SuggestedWordInfo>();
         for (int j = 0; j < count; ++j) {
             if (codesSize > 0 && mBigramScores[j] < 1) break;
             final int start = j * MAX_WORD_LENGTH;
@@ -131,19 +135,22 @@ public class BinaryDictionary extends Dictionary {
                 ++len;
             }
             if (len > 0) {
-                callback.addWord(mOutputChars_bigrams, start, len, mBigramScores[j],
-                        mDicTypeId, Dictionary.BIGRAM);
+                suggestions.add(new SuggestedWordInfo(
+                        new String(mOutputChars_bigrams, start, len),
+                        mBigramScores[j], SuggestedWordInfo.KIND_CORRECTION, mDictType));
             }
         }
+        return suggestions;
     }
 
     // proximityInfo and/or prevWordForBigrams may not be null.
     @Override
-    public void getWords(final WordComposer codes, final CharSequence prevWordForBigrams,
-            final WordCallback callback, final ProximityInfo proximityInfo) {
+    public ArrayList<SuggestedWordInfo> getWords(final WordComposer codes,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
         final int count = getSuggestions(codes, prevWordForBigrams, proximityInfo, mOutputChars,
-                mScores);
+                mScores, mSpaceIndices);
 
+        final ArrayList<SuggestedWordInfo> suggestions = new ArrayList<SuggestedWordInfo>();
         for (int j = 0; j < count; ++j) {
             if (mScores[j] < 1) break;
             final int start = j * MAX_WORD_LENGTH;
@@ -152,10 +159,13 @@ public class BinaryDictionary extends Dictionary {
                 ++len;
             }
             if (len > 0) {
-                callback.addWord(mOutputChars, start, len, mScores[j], mDicTypeId,
-                        Dictionary.UNIGRAM);
+                // TODO: actually get the kind from native code
+                suggestions.add(new SuggestedWordInfo(
+                        new String(mOutputChars, start, len),
+                        mScores[j], SuggestedWordInfo.KIND_CORRECTION, mDictType));
             }
         }
+        return suggestions;
     }
 
     /* package for test */ boolean isValidDictionary() {
@@ -165,7 +175,7 @@ public class BinaryDictionary extends Dictionary {
     // proximityInfo may not be null.
     /* package for test */ int getSuggestions(final WordComposer codes,
             final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo,
-            char[] outputChars, int[] scores) {
+            char[] outputChars, int[] scores, int[] spaceIndices) {
         if (!isValidDictionary()) return -1;
 
         final int codesSize = codes.size();
@@ -179,14 +189,22 @@ public class BinaryDictionary extends Dictionary {
         Arrays.fill(outputChars, (char) 0);
         Arrays.fill(scores, 0);
 
-        final int[] prevWordCodePointArray = null == prevWordForBigrams
+        // TODO: toLowerCase in the native code
+        final int[] prevWordCodePointArray = (null == prevWordForBigrams)
                 ? null : StringUtils.toCodePointArray(prevWordForBigrams.toString());
 
-        // TODO: pass the previous word to native code
-        return getSuggestionsNative(
-                mNativeDict, proximityInfo.getNativeProximityInfo(),
-                codes.getXCoordinates(), codes.getYCoordinates(), mInputCodes, codesSize,
-                prevWordCodePointArray, mUseFullEditDistance, outputChars, scores);
+        int[] emptyArray = new int[codesSize];
+        Arrays.fill(emptyArray, 0);
+
+        //final int commitPoint = codes.getCommitPoint();
+        //codes.clearCommitPoint();
+
+        final InputPointers ips = codes.getInputPointers();
+
+        return getSuggestionsNative(mNativeDict, proximityInfo.getNativeProximityInfo(),
+            ips.getXCoordinates(), ips.getYCoordinates(), ips.getTimes(), ips.getPointerIds(),
+            mInputCodes, codesSize, 0 /* unused */, false, prevWordCodePointArray,
+            mUseFullEditDistance, outputChars, scores, spaceIndices);
     }
 
     public static float calcNormalizedScore(String before, String after, int score) {
diff --git a/java/src/com/android/inputmethod/latin/BoundedTreeSet.java b/java/src/com/android/inputmethod/latin/BoundedTreeSet.java
new file mode 100644
index 000000000..cf977617d
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/BoundedTreeSet.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.TreeSet;
+
+/**
+ * A TreeSet that is bounded in size and throws everything that's smaller than its limit
+ */
+public class BoundedTreeSet extends TreeSet<SuggestedWordInfo> {
+    private final int mCapacity;
+    public BoundedTreeSet(final Comparator<SuggestedWordInfo> comparator, final int capacity) {
+        super(comparator);
+        mCapacity = capacity;
+    }
+
+    @Override
+    public boolean add(final SuggestedWordInfo e) {
+        if (size() < mCapacity) return super.add(e);
+        if (comparator().compare(e, last()) > 0) return false;
+        super.add(e);
+        pollLast(); // removes the last element
+        return true;
+    }
+
+    @Override
+    public boolean addAll(final Collection<? extends SuggestedWordInfo> e) {
+        if (null == e) return false;
+        return super.addAll(e);
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java
index 34308dfb3..5edc4314f 100644
--- a/java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java
@@ -52,6 +52,9 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
     /** The number of contacts in the most recent dictionary rebuild. */
     static private int sContactCountAtLastRebuild = 0;
 
+    /** The locale for this contacts dictionary. Controls name bigram predictions. */
+    public final Locale mLocale;
+
     private ContentObserver mObserver;
 
     /**
@@ -59,8 +62,9 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
      */
     private final boolean mUseFirstLastBigrams;
 
-    public ContactsBinaryDictionary(final Context context, final int dicTypeId, Locale locale) {
-        super(context, getFilenameWithLocale(NAME, locale.toString()), dicTypeId);
+    public ContactsBinaryDictionary(final Context context, Locale locale) {
+        super(context, getFilenameWithLocale(NAME, locale.toString()), Dictionary.TYPE_CONTACTS);
+        mLocale = locale;
         mUseFirstLastBigrams = useFirstLastBigramsForLocale(locale);
         registerObserver(context);
 
@@ -116,12 +120,6 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
         }
     }
 
-    @Override
-    public void getBigrams(final WordComposer codes, final CharSequence previousWord,
-            final WordCallback callback) {
-        super.getBigrams(codes, previousWord, callback);
-    }
-
     private boolean useFirstLastBigramsForLocale(Locale locale) {
         // TODO: Add firstname/lastname bigram rules for other languages.
         if (locale != null && locale.getLanguage().equals(Locale.ENGLISH.getLanguage())) {
@@ -163,7 +161,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
      * bigrams depending on locale.
      */
     private void addName(String name) {
-        int len = name.codePointCount(0, name.length());
+        int len = StringUtils.codePointCount(name);
         String prevWord = null;
         // TODO: Better tokenization for non-Latin writing systems
         for (int i = 0; i < len; i++) {
@@ -173,7 +171,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
                 i = end - 1;
                 // Don't add single letter words, possibly confuses
                 // capitalization of i.
-                final int wordLen = word.codePointCount(0, word.length());
+                final int wordLen = StringUtils.codePointCount(word);
                 if (wordLen < MAX_WORD_LENGTH && wordLen > 1) {
                     super.addWord(word, null /* shortcut */, FREQUENCY_FOR_CONTACTS);
                     if (!TextUtils.isEmpty(prevWord)) {
@@ -262,14 +260,14 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
      * Checks if the words in a name are in the current binary dictionary.
      */
     private boolean isNameInDictionary(String name) {
-        int len = name.codePointCount(0, name.length());
+        int len = StringUtils.codePointCount(name);
         String prevWord = null;
         for (int i = 0; i < len; i++) {
             if (Character.isLetter(name.codePointAt(i))) {
                 int end = getWordEndPosition(name, len, i);
                 String word = name.substring(i, end);
                 i = end - 1;
-                final int wordLen = word.codePointCount(0, word.length());
+                final int wordLen = StringUtils.codePointCount(word);
                 if (wordLen < MAX_WORD_LENGTH && wordLen > 1) {
                     if (!TextUtils.isEmpty(prevWord) && mUseFirstLastBigrams) {
                         if (!super.isValidBigramLocked(prevWord, word)) {
diff --git a/java/src/com/android/inputmethod/latin/ContactsDictionary.java b/java/src/com/android/inputmethod/latin/ContactsDictionary.java
deleted file mode 100644
index cbfbd0ec8..000000000
--- a/java/src/com/android/inputmethod/latin/ContactsDictionary.java
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.inputmethod.latin;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.database.ContentObserver;
-import android.database.Cursor;
-import android.os.SystemClock;
-import android.provider.BaseColumns;
-import android.provider.ContactsContract.Contacts;
-import android.text.TextUtils;
-import android.util.Log;
-
-import com.android.inputmethod.keyboard.Keyboard;
-
-// TODO: This class is superseded by {@link ContactsBinaryDictionary}. Should be cleaned up.
-/**
- * An expandable dictionary that stores the words from Contacts provider.
- *
- * @deprecated Use {@link ContactsBinaryDictionary}.
- */
-@Deprecated
-public class ContactsDictionary extends ExpandableDictionary {
-
-    private static final String[] PROJECTION = {
-        BaseColumns._ID,
-        Contacts.DISPLAY_NAME,
-    };
-
-    private static final String TAG = "ContactsDictionary";
-
-    /**
-     * Frequency for contacts information into the dictionary
-     */
-    private static final int FREQUENCY_FOR_CONTACTS = 40;
-    private static final int FREQUENCY_FOR_CONTACTS_BIGRAM = 90;
-
-    private static final int INDEX_NAME = 1;
-
-    private ContentObserver mObserver;
-
-    private long mLastLoadedContacts;
-
-    public ContactsDictionary(final Context context, final int dicTypeId) {
-        super(context, dicTypeId);
-        registerObserver(context);
-        loadDictionary();
-    }
-
-    private synchronized void registerObserver(final Context context) {
-        // Perform a managed query. The Activity will handle closing and requerying the cursor
-        // when needed.
-        if (mObserver != null) return;
-        ContentResolver cres = context.getContentResolver();
-        cres.registerContentObserver(
-                Contacts.CONTENT_URI, true, mObserver = new ContentObserver(null) {
-                    @Override
-                    public void onChange(boolean self) {
-                        setRequiresReload(true);
-                    }
-                });
-    }
-
-    public void reopen(final Context context) {
-        registerObserver(context);
-    }
-
-    @Override
-    public synchronized void close() {
-        if (mObserver != null) {
-            getContext().getContentResolver().unregisterContentObserver(mObserver);
-            mObserver = null;
-        }
-        super.close();
-    }
-
-    @Override
-    public void startDictionaryLoadingTaskLocked() {
-        long now = SystemClock.uptimeMillis();
-        if (mLastLoadedContacts == 0
-                || now - mLastLoadedContacts > 30 * 60 * 1000 /* 30 minutes */) {
-            super.startDictionaryLoadingTaskLocked();
-        }
-    }
-
-    @Override
-    public void loadDictionaryAsync() {
-        try {
-            Cursor cursor = getContext().getContentResolver()
-                    .query(Contacts.CONTENT_URI, PROJECTION, null, null, null);
-            if (cursor != null) {
-                addWords(cursor);
-            }
-        } catch(IllegalStateException e) {
-            Log.e(TAG, "Contacts DB is having problems");
-        }
-        mLastLoadedContacts = SystemClock.uptimeMillis();
-    }
-
-    @Override
-    public void getBigrams(final WordComposer codes, final CharSequence previousWord,
-            final WordCallback callback) {
-        // Do not return bigrams from Contacts when nothing was typed.
-        if (codes.size() <= 0) return;
-        super.getBigrams(codes, previousWord, callback);
-    }
-
-    private void addWords(Cursor cursor) {
-        clearDictionary();
-
-        final int maxWordLength = getMaxWordLength();
-        try {
-            if (cursor.moveToFirst()) {
-                while (!cursor.isAfterLast()) {
-                    String name = cursor.getString(INDEX_NAME);
-
-                    if (name != null && -1 == name.indexOf('@')) {
-                        int len = name.length();
-                        String prevWord = null;
-
-                        // TODO: Better tokenization for non-Latin writing systems
-                        for (int i = 0; i < len; i++) {
-                            if (Character.isLetter(name.charAt(i))) {
-                                int j;
-                                for (j = i + 1; j < len; j++) {
-                                    char c = name.charAt(j);
-
-                                    if (!(c == Keyboard.CODE_DASH
-                                            || c == Keyboard.CODE_SINGLE_QUOTE
-                                            || Character.isLetter(c))) {
-                                        break;
-                                    }
-                                }
-
-                                String word = name.substring(i, j);
-                                i = j - 1;
-
-                                // Safeguard against adding really long words. Stack
-                                // may overflow due to recursion
-                                // Also don't add single letter words, possibly confuses
-                                // capitalization of i.
-                                final int wordLen = word.length();
-                                if (wordLen < maxWordLength && wordLen > 1) {
-                                    super.addWord(word, null /* shortcut */,
-                                            FREQUENCY_FOR_CONTACTS);
-                                    if (!TextUtils.isEmpty(prevWord)) {
-                                        super.setBigramAndGetFrequency(prevWord, word,
-                                                FREQUENCY_FOR_CONTACTS_BIGRAM);
-                                    }
-                                    prevWord = word;
-                                }
-                            }
-                        }
-                    }
-                    cursor.moveToNext();
-                }
-            }
-            cursor.close();
-        } catch(IllegalStateException e) {
-            Log.e(TAG, "Contacts DB is having problems");
-        }
-    }
-}
diff --git a/java/src/com/android/inputmethod/latin/Dictionary.java b/java/src/com/android/inputmethod/latin/Dictionary.java
index 7cd9bc2a8..0835450c1 100644
--- a/java/src/com/android/inputmethod/latin/Dictionary.java
+++ b/java/src/com/android/inputmethod/latin/Dictionary.java
@@ -17,6 +17,9 @@
 package com.android.inputmethod.latin;
 
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+
+import java.util.ArrayList;
 
 /**
  * Abstract base class for a dictionary that can do a fuzzy search for words based on a set of key
@@ -28,55 +31,43 @@ public abstract class Dictionary {
      */
     protected static final int FULL_WORD_SCORE_MULTIPLIER = 2;
 
-    public static final int UNIGRAM = 0;
-    public static final int BIGRAM = 1;
-
     public static final int NOT_A_PROBABILITY = -1;
-    /**
-     * Interface to be implemented by classes requesting words to be fetched from the dictionary.
-     * @see #getWords(WordComposer, CharSequence, WordCallback, ProximityInfo)
-     */
-    public interface WordCallback {
-        /**
-         * Adds a word to a list of suggestions. The word is expected to be ordered based on
-         * the provided score.
-         * @param word the character array containing the word
-         * @param wordOffset starting offset of the word in the character array
-         * @param wordLength length of valid characters in the character array
-         * @param score the score of occurrence. This is normalized between 1 and 255, but
-         * can exceed those limits
-         * @param dicTypeId of the dictionary where word was from
-         * @param dataType tells type of this data, either UNIGRAM or BIGRAM
-         * @return true if the word was added, false if no more words are required
-         */
-        boolean addWord(char[] word, int wordOffset, int wordLength, int score, int dicTypeId,
-                int dataType);
+
+    public static final String TYPE_USER_TYPED = "user_typed";
+    public static final String TYPE_APPLICATION_DEFINED = "application_defined";
+    public static final String TYPE_HARDCODED = "hardcoded"; // punctuation signs and such
+    public static final String TYPE_MAIN = "main";
+    public static final String TYPE_CONTACTS = "contacts";
+    // User dictionary, the system-managed one.
+    public static final String TYPE_USER = "user";
+    // User history dictionary internal to LatinIME.
+    public static final String TYPE_USER_HISTORY = "history";
+    public static final String TYPE_WHITELIST ="whitelist";
+    protected final String mDictType;
+
+    public Dictionary(final String dictType) {
+        mDictType = dictType;
     }
 
     /**
      * Searches for words in the dictionary that match the characters in the composer. Matched
-     * words are added through the callback object.
-     * @param composer the key sequence to match
+     * words are returned as an ArrayList.
+     * @param composer the key sequence to match with coordinate info, as a WordComposer
      * @param prevWordForBigrams the previous word, or null if none
-     * @param callback the callback object to send matched words to as possible candidates
      * @param proximityInfo the object for key proximity. May be ignored by some implementations.
-     * @see WordCallback#addWord(char[], int, int, int, int, int)
+     * @return the list of suggestions
      */
-    abstract public void getWords(final WordComposer composer,
-            final CharSequence prevWordForBigrams, final WordCallback callback,
-            final ProximityInfo proximityInfo);
+    abstract public ArrayList<SuggestedWordInfo> getWords(final WordComposer composer,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo);
 
     /**
-     * Searches for pairs in the bigram dictionary that matches the previous word and all the
-     * possible words following are added through the callback object.
+     * Searches for pairs in the bigram dictionary that matches the previous word.
      * @param composer the key sequence to match
      * @param previousWord the word before
-     * @param callback the callback object to send possible word following previous word
+     * @return the list of suggestions
      */
-    public void getBigrams(final WordComposer composer, final CharSequence previousWord,
-            final WordCallback callback) {
-        // empty base implementation
-    }
+    public abstract ArrayList<SuggestedWordInfo> getBigrams(final WordComposer composer,
+            final CharSequence previousWord);
 
     /**
      * Checks if the given word occurs in the dictionary
@@ -115,4 +106,12 @@ public abstract class Dictionary {
     public void close() {
         // empty base implementation
     }
+
+    /**
+     * Subclasses may override to indicate that this Dictionary is not yet properly initialized.
+     */
+
+    public boolean isInitialized() {
+        return true;
+    }
 }
diff --git a/java/src/com/android/inputmethod/latin/DictionaryCollection.java b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
index 1a05fcd86..dcc53c59f 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryCollection.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
@@ -17,9 +17,11 @@
 package com.android.inputmethod.latin;
 
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 
 import android.util.Log;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.concurrent.CopyOnWriteArrayList;
@@ -31,11 +33,13 @@ public class DictionaryCollection extends Dictionary {
     private final String TAG = DictionaryCollection.class.getSimpleName();
     protected final CopyOnWriteArrayList<Dictionary> mDictionaries;
 
-    public DictionaryCollection() {
+    public DictionaryCollection(final String dictType) {
+        super(dictType);
         mDictionaries = new CopyOnWriteArrayList<Dictionary>();
     }
 
-    public DictionaryCollection(Dictionary... dictionaries) {
+    public DictionaryCollection(final String dictType, Dictionary... dictionaries) {
+        super(dictType);
         if (null == dictionaries) {
             mDictionaries = new CopyOnWriteArrayList<Dictionary>();
         } else {
@@ -44,23 +48,48 @@ public class DictionaryCollection extends Dictionary {
         }
     }
 
-    public DictionaryCollection(Collection<Dictionary> dictionaries) {
+    public DictionaryCollection(final String dictType, Collection<Dictionary> dictionaries) {
+        super(dictType);
         mDictionaries = new CopyOnWriteArrayList<Dictionary>(dictionaries);
         mDictionaries.removeAll(Collections.singleton(null));
     }
 
     @Override
-    public void getWords(final WordComposer composer, final CharSequence prevWordForBigrams,
-            final WordCallback callback, final ProximityInfo proximityInfo) {
-        for (final Dictionary dict : mDictionaries)
-            dict.getWords(composer, prevWordForBigrams, callback, proximityInfo);
+    public ArrayList<SuggestedWordInfo> getWords(final WordComposer composer,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
+        final CopyOnWriteArrayList<Dictionary> dictionaries = mDictionaries;
+        if (dictionaries.isEmpty()) return null;
+        // To avoid creating unnecessary objects, we get the list out of the first
+        // dictionary and add the rest to it if not null, hence the get(0)
+        ArrayList<SuggestedWordInfo> suggestions = dictionaries.get(0).getWords(composer,
+                prevWordForBigrams, proximityInfo);
+        if (null == suggestions) suggestions = new ArrayList<SuggestedWordInfo>();
+        final int length = dictionaries.size();
+        for (int i = 0; i < length; ++ i) {
+            final ArrayList<SuggestedWordInfo> sugg = dictionaries.get(i).getWords(composer,
+                    prevWordForBigrams, proximityInfo);
+            if (null != sugg) suggestions.addAll(sugg);
+        }
+        return suggestions;
     }
 
     @Override
-    public void getBigrams(final WordComposer composer, final CharSequence previousWord,
-            final WordCallback callback) {
-        for (final Dictionary dict : mDictionaries)
-            dict.getBigrams(composer, previousWord, callback);
+    public ArrayList<SuggestedWordInfo> getBigrams(final WordComposer composer,
+            final CharSequence previousWord) {
+        final CopyOnWriteArrayList<Dictionary> dictionaries = mDictionaries;
+        if (dictionaries.isEmpty()) return null;
+        // To avoid creating unnecessary objects, we get the list out of the first
+        // dictionary and add the rest to it if not null, hence the get(0)
+        ArrayList<SuggestedWordInfo> suggestions = dictionaries.get(0).getBigrams(composer,
+                previousWord);
+        if (null == suggestions) suggestions = new ArrayList<SuggestedWordInfo>();
+        final int length = dictionaries.size();
+        for (int i = 0; i < length; ++ i) {
+            final ArrayList<SuggestedWordInfo> sugg =
+                   dictionaries.get(i).getBigrams(composer, previousWord);
+            if (null != sugg) suggestions.addAll(sugg);
+        }
+        return suggestions;
     }
 
     @Override
@@ -82,8 +111,9 @@ public class DictionaryCollection extends Dictionary {
         return maxFreq;
     }
 
-    public boolean isEmpty() {
-        return mDictionaries.isEmpty();
+    @Override
+    public boolean isInitialized() {
+        return !mDictionaries.isEmpty();
     }
 
     @Override
diff --git a/java/src/com/android/inputmethod/latin/DictionaryFactory.java b/java/src/com/android/inputmethod/latin/DictionaryFactory.java
index a22d73af7..06a5f4b72 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryFactory.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryFactory.java
@@ -49,7 +49,8 @@ public class DictionaryFactory {
             final Locale locale, final boolean useFullEditDistance) {
         if (null == locale) {
             Log.e(TAG, "No locale defined for dictionary");
-            return new DictionaryCollection(createBinaryDictionary(context, locale));
+            return new DictionaryCollection(Dictionary.TYPE_MAIN,
+                    createBinaryDictionary(context, locale));
         }
 
         final LinkedList<Dictionary> dictList = new LinkedList<Dictionary>();
@@ -59,7 +60,7 @@ public class DictionaryFactory {
             for (final AssetFileAddress f : assetFileList) {
                 final BinaryDictionary binaryDictionary =
                         new BinaryDictionary(context, f.mFilename, f.mOffset, f.mLength,
-                                useFullEditDistance, locale);
+                                useFullEditDistance, locale, Dictionary.TYPE_MAIN);
                 if (binaryDictionary.isValidDictionary()) {
                     dictList.add(binaryDictionary);
                 }
@@ -69,7 +70,7 @@ public class DictionaryFactory {
         // If the list is empty, that means we should not use any dictionary (for example, the user
         // explicitly disabled the main dictionary), so the following is okay. dictList is never
         // null, but if for some reason it is, DictionaryCollection handles it gracefully.
-        return new DictionaryCollection(dictList);
+        return new DictionaryCollection(Dictionary.TYPE_MAIN, dictList);
     }
 
     /**
@@ -112,7 +113,7 @@ public class DictionaryFactory {
                 return null;
             }
             return new BinaryDictionary(context, sourceDir, afd.getStartOffset(), afd.getLength(),
-                    false /* useFullEditDistance */, locale);
+                    false /* useFullEditDistance */, locale, Dictionary.TYPE_MAIN);
         } catch (android.content.res.Resources.NotFoundException e) {
             Log.e(TAG, "Could not find the resource");
             return null;
@@ -140,7 +141,7 @@ public class DictionaryFactory {
             long startOffset, long length, final boolean useFullEditDistance, Locale locale) {
         if (dictionary.isFile()) {
             return new BinaryDictionary(context, dictionary.getAbsolutePath(), startOffset, length,
-                    useFullEditDistance, locale);
+                    useFullEditDistance, locale, Dictionary.TYPE_MAIN);
         } else {
             Log.e(TAG, "Could not find the file. path=" + dictionary.getAbsolutePath());
             return null;
diff --git a/java/src/com/android/inputmethod/latin/EditingUtils.java b/java/src/com/android/inputmethod/latin/EditingUtils.java
deleted file mode 100644
index 0f34d50bb..000000000
--- a/java/src/com/android/inputmethod/latin/EditingUtils.java
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package com.android.inputmethod.latin;
-
-import android.view.inputmethod.ExtractedText;
-import android.view.inputmethod.ExtractedTextRequest;
-import android.view.inputmethod.InputConnection;
-
-import java.util.regex.Pattern;
-
-/**
- * Utility methods to deal with editing text through an InputConnection.
- */
-public class EditingUtils {
-    /**
-     * Number of characters we want to look back in order to identify the previous word
-     */
-    // Provision for a long word pair and a separator
-    private static final int LOOKBACK_CHARACTER_NUM = BinaryDictionary.MAX_WORD_LENGTH * 2 + 1;
-    private static final int INVALID_CURSOR_POSITION = -1;
-
-    private EditingUtils() {
-        // Unintentional empty constructor for singleton.
-    }
-
-    private static int getCursorPosition(InputConnection connection) {
-        if (null == connection) return INVALID_CURSOR_POSITION;
-        final ExtractedText extracted = connection.getExtractedText(new ExtractedTextRequest(), 0);
-        if (extracted == null) {
-            return INVALID_CURSOR_POSITION;
-        }
-        return extracted.startOffset + extracted.selectionStart;
-    }
-
-    /**
-     * @param connection connection to the current text field.
-     * @param separators characters which may separate words
-     * @return the word that surrounds the cursor, including up to one trailing
-     *   separator. For example, if the field contains "he|llo world", where |
-     *   represents the cursor, then "hello " will be returned.
-     */
-    public static String getWordAtCursor(InputConnection connection, String separators) {
-        // getWordRangeAtCursor returns null if the connection is null
-        Range r = getWordRangeAtCursor(connection, separators);
-        return (r == null) ? null : r.mWord;
-    }
-
-    /**
-     * Represents a range of text, relative to the current cursor position.
-     */
-    public static class Range {
-        /** Characters before selection start */
-        public final int mCharsBefore;
-
-        /**
-         * Characters after selection start, including one trailing word
-         * separator.
-         */
-        public final int mCharsAfter;
-
-        /** The actual characters that make up a word */
-        public final String mWord;
-
-        public Range(int charsBefore, int charsAfter, String word) {
-            if (charsBefore < 0 || charsAfter < 0) {
-                throw new IndexOutOfBoundsException();
-            }
-            this.mCharsBefore = charsBefore;
-            this.mCharsAfter = charsAfter;
-            this.mWord = word;
-        }
-    }
-
-    private static Range getWordRangeAtCursor(InputConnection connection, String sep) {
-        if (connection == null || sep == null) {
-            return null;
-        }
-        CharSequence before = connection.getTextBeforeCursor(1000, 0);
-        CharSequence after = connection.getTextAfterCursor(1000, 0);
-        if (before == null || after == null) {
-            return null;
-        }
-
-        // Find first word separator before the cursor
-        int start = before.length();
-        while (start > 0 && !isWhitespace(before.charAt(start - 1), sep)) start--;
-
-        // Find last word separator after the cursor
-        int end = -1;
-        while (++end < after.length() && !isWhitespace(after.charAt(end), sep)) {
-            // Nothing to do here.
-        }
-
-        int cursor = getCursorPosition(connection);
-        if (start >= 0 && cursor + end <= after.length() + before.length()) {
-            String word = before.toString().substring(start, before.length())
-                    + after.toString().substring(0, end);
-            return new Range(before.length() - start, end, word);
-        }
-
-        return null;
-    }
-
-    private static boolean isWhitespace(int code, String whitespace) {
-        return whitespace.contains(String.valueOf((char) code));
-    }
-
-    private static final Pattern spaceRegex = Pattern.compile("\\s+");
-
-    public static CharSequence getPreviousWord(InputConnection connection,
-            String sentenceSeperators) {
-        //TODO: Should fix this. This could be slow!
-        if (null == connection) return null;
-        CharSequence prev = connection.getTextBeforeCursor(LOOKBACK_CHARACTER_NUM, 0);
-        return getPreviousWord(prev, sentenceSeperators);
-    }
-
-    // Get the word before the whitespace preceding the non-whitespace preceding the cursor.
-    // Also, it won't return words that end in a separator.
-    // Example :
-    // "abc def|" -> abc
-    // "abc def |" -> abc
-    // "abc def. |" -> abc
-    // "abc def . |" -> def
-    // "abc|" -> null
-    // "abc |" -> null
-    // "abc. def|" -> null
-    public static CharSequence getPreviousWord(CharSequence prev, String sentenceSeperators) {
-        if (prev == null) return null;
-        String[] w = spaceRegex.split(prev);
-
-        // If we can't find two words, or we found an empty word, return null.
-        if (w.length < 2 || w[w.length - 2].length() <= 0) return null;
-
-        // If ends in a separator, return null
-        char lastChar = w[w.length - 2].charAt(w[w.length - 2].length() - 1);
-        if (sentenceSeperators.contains(String.valueOf(lastChar))) return null;
-
-        return w[w.length - 2];
-    }
-
-    public static CharSequence getThisWord(InputConnection connection, String sentenceSeperators) {
-        if (null == connection) return null;
-        final CharSequence prev = connection.getTextBeforeCursor(LOOKBACK_CHARACTER_NUM, 0);
-        return getThisWord(prev, sentenceSeperators);
-    }
-
-    // Get the word immediately before the cursor, even if there is whitespace between it and
-    // the cursor - but not if there is punctuation.
-    // Example :
-    // "abc def|" -> def
-    // "abc def |" -> def
-    // "abc def. |" -> null
-    // "abc def . |" -> null
-    public static CharSequence getThisWord(CharSequence prev, String sentenceSeperators) {
-        if (prev == null) return null;
-        String[] w = spaceRegex.split(prev);
-
-        // No word : return null
-        if (w.length < 1 || w[w.length - 1].length() <= 0) return null;
-
-        // If ends in a separator, return null
-        char lastChar = w[w.length - 1].charAt(w[w.length - 1].length() - 1);
-        if (sentenceSeperators.contains(String.valueOf(lastChar))) return null;
-
-        return w[w.length - 1];
-    }
-}
diff --git a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
index c65404cbc..1cda9f257 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
@@ -19,6 +19,7 @@ import android.os.SystemClock;
 import android.util.Log;
 
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.makedict.BinaryDictInputOutput;
 import com.android.inputmethod.latin.makedict.FusionDictionary;
 import com.android.inputmethod.latin.makedict.FusionDictionary.Node;
@@ -75,9 +76,6 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
     /** The expandable fusion dictionary used to generate the binary dictionary. */
     private FusionDictionary mFusionDictionary;
 
-    /** The dictionary type id. */
-    public final int mDicTypeId;
-
     /**
      * The name of this dictionary, used as the filename for storing the binary dictionary. Multiple
      * dictionary instances with the same filename is supported, with access controlled by
@@ -123,11 +121,11 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
      * @param context The application context of the parent.
      * @param filename The filename for this binary dictionary. Multiple dictionaries with the same
      *        filename is supported.
-     * @param dictType The type of this dictionary.
+     * @param dictType the dictionary type, as a human-readable string
      */
     public ExpandableBinaryDictionary(
-            final Context context, final String filename, final int dictType) {
-        mDicTypeId = dictType;
+            final Context context, final String filename, final String dictType) {
+        super(dictType);
         mFilename = filename;
         mContext = context;
         mBinaryDictionary = null;
@@ -194,46 +192,47 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
     }
 
     @Override
-    public void getWords(final WordComposer codes, final CharSequence prevWordForBigrams,
-            final WordCallback callback, final ProximityInfo proximityInfo) {
+    public ArrayList<SuggestedWordInfo> getWords(final WordComposer codes,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
         asyncReloadDictionaryIfRequired();
-        getWordsInner(codes, prevWordForBigrams, callback, proximityInfo);
+        return getWordsInner(codes, prevWordForBigrams, proximityInfo);
     }
 
-    protected final void getWordsInner(final WordComposer codes,
-            final CharSequence prevWordForBigrams, final WordCallback callback,
-            final ProximityInfo proximityInfo) {
+    protected final ArrayList<SuggestedWordInfo> getWordsInner(final WordComposer codes,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
         // Ensure that there are no concurrent calls to getWords. If there are, do nothing and
         // return.
         if (mLocalDictionaryController.tryLock()) {
             try {
                 if (mBinaryDictionary != null) {
-                    mBinaryDictionary.getWords(codes, prevWordForBigrams, callback, proximityInfo);
+                    return mBinaryDictionary.getWords(codes, prevWordForBigrams, proximityInfo);
                 }
             } finally {
                 mLocalDictionaryController.unlock();
             }
         }
+        return null;
     }
 
     @Override
-    public void getBigrams(final WordComposer codes, final CharSequence previousWord,
-            final WordCallback callback) {
+    public ArrayList<SuggestedWordInfo> getBigrams(final WordComposer codes,
+            final CharSequence previousWord) {
         asyncReloadDictionaryIfRequired();
-        getBigramsInner(codes, previousWord, callback);
+        return getBigramsInner(codes, previousWord);
     }
 
-    protected void getBigramsInner(final WordComposer codes, final CharSequence previousWord,
-            final WordCallback callback) {
+    protected ArrayList<SuggestedWordInfo> getBigramsInner(final WordComposer codes,
+            final CharSequence previousWord) {
         if (mLocalDictionaryController.tryLock()) {
             try {
                 if (mBinaryDictionary != null) {
-                    mBinaryDictionary.getBigrams(codes, previousWord, callback);
+                    return mBinaryDictionary.getBigrams(codes, previousWord);
                 }
             } finally {
                 mLocalDictionaryController.unlock();
             }
         }
+        return null;
     }
 
     @Override
@@ -306,7 +305,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
         // Build the new binary dictionary
         final BinaryDictionary newBinaryDictionary =
                 new BinaryDictionary(mContext, filename, 0, length, true /* useFullEditDistance */,
-                        null);
+                        null, mDictType);
 
         if (mBinaryDictionary != null) {
             // Ensure all threads accessing the current dictionary have finished before swapping in
diff --git a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
index 34a92fd30..76213c0da 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
@@ -21,6 +21,7 @@ import android.content.Context;
 import com.android.inputmethod.keyboard.KeyDetector;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.UserHistoryForgettingCurveUtils.ForgettingCurveParams;
 
 import java.util.ArrayList;
@@ -37,7 +38,6 @@ public class ExpandableDictionary extends Dictionary {
 
     private Context mContext;
     private char[] mWordBuilder = new char[BinaryDictionary.MAX_WORD_LENGTH];
-    private int mDicTypeId;
     private int mMaxDepth;
     private int mInputLength;
 
@@ -151,11 +151,11 @@ public class ExpandableDictionary extends Dictionary {
 
     private int[][] mCodes;
 
-    public ExpandableDictionary(Context context, int dicTypeId) {
+    public ExpandableDictionary(final Context context, final String dictType) {
+        super(dictType);
         mContext = context;
         clearDictionary();
         mCodes = new int[BinaryDictionary.MAX_WORD_LENGTH][];
-        mDicTypeId = dicTypeId;
     }
 
     public void loadDictionary() {
@@ -247,27 +247,30 @@ public class ExpandableDictionary extends Dictionary {
     }
 
     @Override
-    public void getWords(final WordComposer codes, final CharSequence prevWordForBigrams,
-            final WordCallback callback, final ProximityInfo proximityInfo) {
+    public ArrayList<SuggestedWordInfo> getWords(final WordComposer codes,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
         synchronized (mUpdatingLock) {
             // If we need to update, start off a background task
             if (mRequiresReload) startDictionaryLoadingTaskLocked();
             // Currently updating contacts, don't return any results.
-            if (mUpdatingDictionary) return;
+            if (mUpdatingDictionary) return null;
         }
         if (codes.size() >= BinaryDictionary.MAX_WORD_LENGTH) {
-            return;
+            return null;
         }
-        getWordsInner(codes, prevWordForBigrams, callback, proximityInfo);
+        final ArrayList<SuggestedWordInfo> suggestions =
+                getWordsInner(codes, prevWordForBigrams, proximityInfo);
+        return suggestions;
     }
 
-    protected final void getWordsInner(final WordComposer codes,
-            final CharSequence prevWordForBigrams, final WordCallback callback,
-            final ProximityInfo proximityInfo) {
+    protected final ArrayList<SuggestedWordInfo> getWordsInner(final WordComposer codes,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
+        final ArrayList<SuggestedWordInfo> suggestions = new ArrayList<SuggestedWordInfo>();
         mInputLength = codes.size();
         if (mCodes.length < mInputLength) mCodes = new int[mInputLength][];
-        final int[] xCoordinates = codes.getXCoordinates();
-        final int[] yCoordinates = codes.getYCoordinates();
+        final InputPointers ips = codes.getInputPointers();
+        final int[] xCoordinates = ips.getXCoordinates();
+        final int[] yCoordinates = ips.getYCoordinates();
         // Cache the codes so that we don't have to lookup an array list
         for (int i = 0; i < mInputLength; i++) {
             // TODO: Calculate proximity info here.
@@ -281,10 +284,11 @@ public class ExpandableDictionary extends Dictionary {
             proximityInfo.fillArrayWithNearestKeyCodes(x, y, codes.getCodeAt(i), mCodes[i]);
         }
         mMaxDepth = mInputLength * 3;
-        getWordsRec(mRoots, codes, mWordBuilder, 0, false, 1, 0, -1, callback);
+        getWordsRec(mRoots, codes, mWordBuilder, 0, false, 1, 0, -1, suggestions);
         for (int i = 0; i < mInputLength; i++) {
-            getWordsRec(mRoots, codes, mWordBuilder, 0, false, 1, 0, i, callback);
+            getWordsRec(mRoots, codes, mWordBuilder, 0, false, 1, 0, i, suggestions);
         }
+        return suggestions;
     }
 
     @Override
@@ -368,24 +372,27 @@ public class ExpandableDictionary extends Dictionary {
      * @param word the word to insert, as an array of code points
      * @param depth the depth of the node in the tree
      * @param finalFreq the frequency for this word
+     * @param suggestions the suggestion collection to add the suggestions to
      * @return whether there is still space for more words.
-     * @see Dictionary.WordCallback#addWord(char[], int, int, int, int, int)
      */
     private boolean addWordAndShortcutsFromNode(final Node node, final char[] word, final int depth,
-            final int finalFreq, final WordCallback callback) {
+            final int finalFreq, final ArrayList<SuggestedWordInfo> suggestions) {
         if (finalFreq > 0 && !node.mShortcutOnly) {
-            if (!callback.addWord(word, 0, depth + 1, finalFreq, mDicTypeId, Dictionary.UNIGRAM)) {
-                return false;
-            }
+            // Use KIND_CORRECTION always. This dictionary does not really have a notion of
+            // COMPLETION against CORRECTION; we could artificially add one by looking at
+            // the respective size of the typed word and the suggestion if it matters sometime
+            // in the future.
+            suggestions.add(new SuggestedWordInfo(new String(word, 0, depth + 1), finalFreq,
+                    SuggestedWordInfo.KIND_CORRECTION, mDictType));
+            if (suggestions.size() >= Suggest.MAX_SUGGESTIONS) return false;
         }
         if (null != node.mShortcutTargets) {
             final int length = node.mShortcutTargets.size();
             for (int shortcutIndex = 0; shortcutIndex < length; ++shortcutIndex) {
                 final char[] shortcut = node.mShortcutTargets.get(shortcutIndex);
-                if (!callback.addWord(shortcut, 0, shortcut.length, finalFreq, mDicTypeId,
-                        Dictionary.UNIGRAM)) {
-                    return false;
-                }
+                suggestions.add(new SuggestedWordInfo(new String(shortcut, 0, shortcut.length),
+                        finalFreq, SuggestedWordInfo.KIND_SHORTCUT, mDictType));
+                if (suggestions.size() > Suggest.MAX_SUGGESTIONS) return false;
             }
         }
         return true;
@@ -408,12 +415,12 @@ public class ExpandableDictionary extends Dictionary {
      * case we skip over some punctuations such as apostrophe in the traversal. That is, if you type
      * "wouldve", it could be matching "would've", so the depth will be one more than the
      * inputIndex
-     * @param callback the callback class for adding a word
+     * @param suggestions the list in which to add suggestions
      */
     // TODO: Share this routine with the native code for BinaryDictionary
     protected void getWordsRec(NodeArray roots, final WordComposer codes, final char[] word,
             final int depth, final boolean completion, int snr, int inputIndex, int skipPos,
-            WordCallback callback) {
+            final ArrayList<SuggestedWordInfo> suggestions) {
         final int count = roots.mLength;
         final int codeSize = mInputLength;
         // Optimization: Prune out words that are too long compared to how much was typed.
@@ -443,14 +450,14 @@ public class ExpandableDictionary extends Dictionary {
                     } else {
                         finalFreq = computeSkippedWordFinalFreq(freq, snr, mInputLength);
                     }
-                    if (!addWordAndShortcutsFromNode(node, word, depth, finalFreq, callback)) {
+                    if (!addWordAndShortcutsFromNode(node, word, depth, finalFreq, suggestions)) {
                         // No space left in the queue, bail out
                         return;
                     }
                 }
                 if (children != null) {
                     getWordsRec(children, codes, word, depth + 1, true, snr, inputIndex,
-                            skipPos, callback);
+                            skipPos, suggestions);
                 }
             } else if ((c == Keyboard.CODE_SINGLE_QUOTE
                     && currentChars[0] != Keyboard.CODE_SINGLE_QUOTE) || depth == skipPos) {
@@ -458,7 +465,7 @@ public class ExpandableDictionary extends Dictionary {
                 word[depth] = c;
                 if (children != null) {
                     getWordsRec(children, codes, word, depth + 1, completion, snr, inputIndex,
-                            skipPos, callback);
+                            skipPos, suggestions);
                 }
             } else {
                 // Don't use alternatives if we're looking for missing characters
@@ -483,7 +490,7 @@ public class ExpandableDictionary extends Dictionary {
                                             snr * addedAttenuation, mInputLength);
                                 }
                                 if (!addWordAndShortcutsFromNode(node, word, depth, finalFreq,
-                                        callback)) {
+                                        suggestions)) {
                                     // No space left in the queue, bail out
                                     return;
                                 }
@@ -491,12 +498,12 @@ public class ExpandableDictionary extends Dictionary {
                             if (children != null) {
                                 getWordsRec(children, codes, word, depth + 1,
                                         true, snr * addedAttenuation, inputIndex + 1,
-                                        skipPos, callback);
+                                        skipPos, suggestions);
                             }
                         } else if (children != null) {
                             getWordsRec(children, codes, word, depth + 1,
                                     false, snr * addedAttenuation, inputIndex + 1,
-                                    skipPos, callback);
+                                    skipPos, suggestions);
                         }
                     }
                 }
@@ -514,8 +521,10 @@ public class ExpandableDictionary extends Dictionary {
 
     /**
      * Adds bigrams to the in-memory trie structure that is being used to retrieve any word
+     * @param word1 the first word of this bigram
+     * @param word2 the second word of this bigram
      * @param frequency frequency for this bigram
-     * @param addFrequency if true, it adds to current frequency, else it overwrites the old value
+     * @param fcp an instance of ForgettingCurveParams to use for decay policy
      * @return returns the final bigram frequency
      */
     private int setBigramAndGetFrequency(
@@ -591,22 +600,25 @@ public class ExpandableDictionary extends Dictionary {
     }
 
     private void runBigramReverseLookUp(final CharSequence previousWord,
-            final WordCallback callback) {
+            final ArrayList<SuggestedWordInfo> suggestions) {
         // Search for the lowercase version of the word only, because that's where bigrams
         // store their sons.
         Node prevWord = searchNode(mRoots, previousWord.toString().toLowerCase(), 0,
                 previousWord.length());
         if (prevWord != null && prevWord.mNGrams != null) {
-            reverseLookUp(prevWord.mNGrams, callback);
+            reverseLookUp(prevWord.mNGrams, suggestions);
         }
     }
 
     @Override
-    public void getBigrams(final WordComposer codes, final CharSequence previousWord,
-            final WordCallback callback) {
+    public ArrayList<SuggestedWordInfo> getBigrams(final WordComposer codes,
+            final CharSequence previousWord) {
         if (!reloadDictionaryIfRequired()) {
-            runBigramReverseLookUp(previousWord, callback);
+            final ArrayList<SuggestedWordInfo> suggestions = new ArrayList<SuggestedWordInfo>();
+            runBigramReverseLookUp(previousWord, suggestions);
+            return suggestions;
         }
+        return null;
     }
 
     /**
@@ -633,11 +645,12 @@ public class ExpandableDictionary extends Dictionary {
 
     /**
      * reverseLookUp retrieves the full word given a list of terminal nodes and adds those words
-     * through callback.
+     * to the suggestions list passed as an argument.
      * @param terminalNodes list of terminal nodes we want to add
+     * @param suggestions the suggestion collection to add the word to
      */
     private void reverseLookUp(LinkedList<NextWord> terminalNodes,
-            final WordCallback callback) {
+            final ArrayList<SuggestedWordInfo> suggestions) {
         Node node;
         int freq;
         for (NextWord nextWord : terminalNodes) {
@@ -651,8 +664,9 @@ public class ExpandableDictionary extends Dictionary {
             } while (node != null);
 
             if (freq >= 0) {
-                callback.addWord(mLookedUpString, index, BinaryDictionary.MAX_WORD_LENGTH - index,
-                        freq, mDicTypeId, Dictionary.BIGRAM);
+                suggestions.add(new SuggestedWordInfo(new String(mLookedUpString, index,
+                        BinaryDictionary.MAX_WORD_LENGTH - index),
+                        freq, SuggestedWordInfo.KIND_CORRECTION, mDictType));
             }
         }
     }
diff --git a/java/src/com/android/inputmethod/latin/InputPointers.java b/java/src/com/android/inputmethod/latin/InputPointers.java
new file mode 100644
index 000000000..218243e9f
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/InputPointers.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import java.util.Arrays;
+
+public class InputPointers {
+    private final ScalableIntArray mXCoordinates = new ScalableIntArray();
+    private final ScalableIntArray mYCoordinates = new ScalableIntArray();
+    private final ScalableIntArray mPointerIds = new ScalableIntArray();
+    private final ScalableIntArray mTimes = new ScalableIntArray();
+
+    public void addPointer(int index, int x, int y, int pointerId, int time) {
+        mXCoordinates.add(index, x);
+        mYCoordinates.add(index, y);
+        mPointerIds.add(index, pointerId);
+        mTimes.add(index, time);
+    }
+
+    public void addPointer(int x, int y, int pointerId, int time) {
+        mXCoordinates.add(x);
+        mYCoordinates.add(y);
+        mPointerIds.add(pointerId);
+        mTimes.add(time);
+    }
+
+    public void set(InputPointers ip) {
+        mXCoordinates.set(ip.mXCoordinates);
+        mYCoordinates.set(ip.mYCoordinates);
+        mPointerIds.set(ip.mPointerIds);
+        mTimes.set(ip.mTimes);
+    }
+
+    public void copy(InputPointers ip) {
+        mXCoordinates.copy(ip.mXCoordinates);
+        mYCoordinates.copy(ip.mYCoordinates);
+        mPointerIds.copy(ip.mPointerIds);
+        mTimes.copy(ip.mTimes);
+    }
+
+    public void reset() {
+        mXCoordinates.reset();
+        mYCoordinates.reset();
+        mPointerIds.reset();
+        mTimes.reset();
+    }
+
+    public int getPointerSize() {
+        return mXCoordinates.getLength();
+    }
+
+    public int[] getXCoordinates() {
+        return mXCoordinates.mArray;
+    }
+
+    public int[] getYCoordinates() {
+        return mYCoordinates.mArray;
+    }
+
+    public int[] getPointerIds() {
+        return mPointerIds.mArray;
+    }
+
+    public int[] getTimes() {
+        return mTimes.mArray;
+    }
+
+    private static class ScalableIntArray {
+        private static final int DEFAULT_SIZE = BinaryDictionary.MAX_WORD_LENGTH;
+        private int[] mArray;
+        private int mLength;
+
+        public ScalableIntArray() {
+            reset();
+        }
+
+        public void add(int index, int val) {
+            if (mLength < index + 1) {
+                mLength = index;
+                add(val);
+            } else {
+                mArray[index] = val;
+            }
+        }
+
+        public void add(int val) {
+            if (mLength >= mArray.length) {
+                final int[] newArray = new int[mLength * 2];
+                System.arraycopy(mArray, 0, newArray, 0, mLength);
+            }
+            mArray[mLength] = val;
+            ++mLength;
+        }
+
+        public int getLength() {
+            return mLength;
+        }
+
+        public void reset() {
+            mArray = new int[DEFAULT_SIZE];
+            mLength = 0;
+        }
+
+        public int[] getPrimitiveArray() {
+            return mArray;
+        }
+
+        public void copy(ScalableIntArray ip) {
+            mArray = Arrays.copyOf(ip.mArray, ip.mArray.length);
+        }
+
+        public void set(ScalableIntArray ip) {
+            mArray = ip.mArray;
+            mLength = ip.mLength;
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/LastComposedWord.java b/java/src/com/android/inputmethod/latin/LastComposedWord.java
index 4e1f5fe92..318aecb50 100644
--- a/java/src/com/android/inputmethod/latin/LastComposedWord.java
+++ b/java/src/com/android/inputmethod/latin/LastComposedWord.java
@@ -41,26 +41,26 @@ public class LastComposedWord {
     public static final int NOT_A_SEPARATOR = -1;
 
     public final int[] mPrimaryKeyCodes;
-    public final int[] mXCoordinates;
-    public final int[] mYCoordinates;
     public final String mTypedWord;
     public final String mCommittedWord;
     public final int mSeparatorCode;
     public final CharSequence mPrevWord;
+    public final InputPointers mInputPointers = new InputPointers();
 
     private boolean mActive;
 
     public static final LastComposedWord NOT_A_COMPOSED_WORD =
-            new LastComposedWord(null, null, null, "", "", NOT_A_SEPARATOR, null);
+            new LastComposedWord(null, null, "", "", NOT_A_SEPARATOR, null);
 
     // Warning: this is using the passed objects as is and fully expects them to be
     // immutable. Do not fiddle with their contents after you passed them to this constructor.
-    public LastComposedWord(final int[] primaryKeyCodes, final int[] xCoordinates,
-            final int[] yCoordinates, final String typedWord, final String committedWord,
+    public LastComposedWord(final int[] primaryKeyCodes, final InputPointers inputPointers,
+            final String typedWord, final String committedWord,
             final int separatorCode, final CharSequence prevWord) {
         mPrimaryKeyCodes = primaryKeyCodes;
-        mXCoordinates = xCoordinates;
-        mYCoordinates = yCoordinates;
+        if (inputPointers != null) {
+            mInputPointers.copy(inputPointers);
+        }
         mTypedWord = typedWord;
         mCommittedWord = committedWord;
         mSeparatorCode = separatorCode;
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 97e898af9..e7f547812 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -56,7 +56,6 @@ import android.view.WindowManager;
 import android.view.inputmethod.CompletionInfo;
 import android.view.inputmethod.CorrectionInfo;
 import android.view.inputmethod.EditorInfo;
-import android.view.inputmethod.InputConnection;
 import android.view.inputmethod.InputMethodSubtype;
 
 import com.android.inputmethod.accessibility.AccessibilityUtils;
@@ -103,27 +102,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
      */
     private static final String SCHEME_PACKAGE = "package";
 
-    /** Whether to use the binary version of the contacts dictionary */
-    public static final boolean USE_BINARY_CONTACTS_DICTIONARY = true;
-
-    /** Whether to use the binary version of the user dictionary */
-    public static final boolean USE_BINARY_USER_DICTIONARY = true;
-
-    // TODO: migrate this to SettingsValues
-    private int mSuggestionVisibility;
-    private static final int SUGGESTION_VISIBILILTY_SHOW_VALUE
-            = R.string.prefs_suggestion_visibility_show_value;
-    private static final int SUGGESTION_VISIBILILTY_SHOW_ONLY_PORTRAIT_VALUE
-            = R.string.prefs_suggestion_visibility_show_only_portrait_value;
-    private static final int SUGGESTION_VISIBILILTY_HIDE_VALUE
-            = R.string.prefs_suggestion_visibility_hide_value;
-
-    private static final int[] SUGGESTION_VISIBILITY_VALUE_ARRAY = new int[] {
-        SUGGESTION_VISIBILILTY_SHOW_VALUE,
-        SUGGESTION_VISIBILILTY_SHOW_ONLY_PORTRAIT_VALUE,
-        SUGGESTION_VISIBILILTY_HIDE_VALUE
-    };
-
     private static final int SPACE_STATE_NONE = 0;
     // Double space: the state where the user pressed space twice quickly, which LatinIME
     // resolved as period-space. Undoing this converts the period to a space.
@@ -143,8 +121,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     // Current space state of the input method. This can be any of the above constants.
     private int mSpaceState;
 
-    private SettingsValues mSettingsValues;
-    private InputAttributes mInputAttributes;
+    private SettingsValues mCurrentSettings;
 
     private View mExtractArea;
     private View mKeyPreviewBackingView;
@@ -162,15 +139,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     private boolean mShouldSwitchToLastSubtype = true;
 
     private boolean mIsMainDictionaryAvailable;
-    // TODO: revert this back to the concrete class after transition.
-    private Dictionary mUserDictionary;
+    private UserBinaryDictionary mUserDictionary;
     private UserHistoryDictionary mUserHistoryDictionary;
     private boolean mIsUserDictionaryAvailable;
 
     private LastComposedWord mLastComposedWord = LastComposedWord.NOT_A_COMPOSED_WORD;
     private WordComposer mWordComposer = new WordComposer();
-
-    private int mCorrectionMode;
+    private RichInputConnection mConnection = new RichInputConnection();
 
     // Keep track of the last selection range to decide if we need to show word alternatives
     private static final int NOT_A_CURSOR_POSITION = -1;
@@ -203,7 +178,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     public static class UIHandler extends StaticInnerHandlerWrapper<LatinIME> {
         private static final int MSG_UPDATE_SHIFT_STATE = 1;
-        private static final int MSG_SPACE_TYPED = 4;
         private static final int MSG_SET_BIGRAM_PREDICTIONS = 5;
         private static final int MSG_PENDING_IMS_CALLBACK = 6;
         private static final int MSG_UPDATE_SUGGESTIONS = 7;
@@ -211,6 +185,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         private int mDelayUpdateSuggestions;
         private int mDelayUpdateShiftState;
         private long mDoubleSpacesTurnIntoPeriodTimeout;
+        private long mDoubleSpaceTimerStart;
 
         public UIHandler(LatinIME outerInstance) {
             super(outerInstance);
@@ -275,16 +250,16 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         }
 
         public void startDoubleSpacesTimer() {
-            removeMessages(MSG_SPACE_TYPED);
-            sendMessageDelayed(obtainMessage(MSG_SPACE_TYPED), mDoubleSpacesTurnIntoPeriodTimeout);
+            mDoubleSpaceTimerStart = SystemClock.uptimeMillis();
         }
 
         public void cancelDoubleSpacesTimer() {
-            removeMessages(MSG_SPACE_TYPED);
+            mDoubleSpaceTimerStart = 0;
         }
 
         public boolean isAcceptingDoubleSpaces() {
-            return hasMessages(MSG_SPACE_TYPED);
+            return SystemClock.uptimeMillis() - mDoubleSpaceTimerStart
+                    < mDoubleSpacesTurnIntoPeriodTimeout;
         }
 
         // Working variables for the following methods.
@@ -393,7 +368,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mPrefs = prefs;
         LatinImeLogger.init(this, prefs);
         if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.init(this, prefs);
+            ResearchLogger.getInstance().init(this, prefs);
         }
         InputMethodManagerCompatWrapper.init(this);
         SubtypeSwitcher.init(this);
@@ -411,14 +386,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         loadSettings();
 
-        ImfUtils.setAdditionalInputMethodSubtypes(this, mSettingsValues.getAdditionalSubtypes());
-
-        // TODO: remove the following when it's not needed by updateCorrectionMode() any more
-        mInputAttributes = new InputAttributes(null, false /* isFullscreenMode */);
-        updateCorrectionMode();
+        ImfUtils.setAdditionalInputMethodSubtypes(this, mCurrentSettings.getAdditionalSubtypes());
 
         Utils.GCUtils.getInstance().reset();
         boolean tryGC = true;
+        // Shouldn't this be removed? I think that from Honeycomb on, the GC is now actually working
+        // as expected and this code is useless.
         for (int i = 0; i < Utils.GCUtils.GC_TRY_LOOP_MAX && tryGC; ++i) {
             try {
                 initSuggest();
@@ -454,14 +427,16 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // Note that the calling sequence of onCreate() and onCurrentInputMethodSubtypeChanged()
         // is not guaranteed. It may even be called at the same time on a different thread.
         if (null == mPrefs) mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+        final InputAttributes inputAttributes =
+                new InputAttributes(getCurrentInputEditorInfo(), isFullscreenMode());
         final RunInLocale<SettingsValues> job = new RunInLocale<SettingsValues>() {
             @Override
             protected SettingsValues job(Resources res) {
-                return new SettingsValues(mPrefs, LatinIME.this);
+                return new SettingsValues(mPrefs, inputAttributes, LatinIME.this);
             }
         };
-        mSettingsValues = job.runInLocale(mResources, mSubtypeSwitcher.getCurrentSubtypeLocale());
-        mFeedbackManager = new AudioAndHapticFeedbackManager(this, mSettingsValues);
+        mCurrentSettings = job.runInLocale(mResources, mSubtypeSwitcher.getCurrentSubtypeLocale());
+        mFeedbackManager = new AudioAndHapticFeedbackManager(this, mCurrentSettings);
         resetContactsDictionary(null == mSuggest ? null : mSuggest.getContactsDictionary());
     }
 
@@ -469,7 +444,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         final Locale subtypeLocale = mSubtypeSwitcher.getCurrentSubtypeLocale();
         final String localeStr = subtypeLocale.toString();
 
-        final Dictionary oldContactsDictionary;
+        final ContactsBinaryDictionary oldContactsDictionary;
         if (mSuggest != null) {
             oldContactsDictionary = mSuggest.getContactsDictionary();
             mSuggest.close();
@@ -477,19 +452,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             oldContactsDictionary = null;
         }
         mSuggest = new Suggest(this, subtypeLocale);
-        if (mSettingsValues.mAutoCorrectEnabled) {
-            mSuggest.setAutoCorrectionThreshold(mSettingsValues.mAutoCorrectionThreshold);
+        if (mCurrentSettings.mCorrectionEnabled) {
+            mSuggest.setAutoCorrectionThreshold(mCurrentSettings.mAutoCorrectionThreshold);
         }
 
         mIsMainDictionaryAvailable = DictionaryFactory.isDictionaryAvailable(this, subtypeLocale);
-
-        if (USE_BINARY_USER_DICTIONARY) {
-            mUserDictionary = new UserBinaryDictionary(this, localeStr);
-            mIsUserDictionaryAvailable = ((UserBinaryDictionary)mUserDictionary).isEnabled();
-        } else {
-            mUserDictionary = new UserDictionary(this, localeStr);
-            mIsUserDictionaryAvailable = ((UserDictionary)mUserDictionary).isEnabled();
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.getInstance().initSuggest(mSuggest);
         }
+
+        mUserDictionary = new UserBinaryDictionary(this, localeStr);
+        mIsUserDictionaryAvailable = mUserDictionary.isEnabled();
         mSuggest.setUserDictionary(mUserDictionary);
 
         resetContactsDictionary(oldContactsDictionary);
@@ -497,44 +470,43 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // Note that the calling sequence of onCreate() and onCurrentInputMethodSubtypeChanged()
         // is not guaranteed. It may even be called at the same time on a different thread.
         if (null == mPrefs) mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
-        mUserHistoryDictionary = UserHistoryDictionary.getInstance(
-                this, localeStr, Suggest.DIC_USER_HISTORY, mPrefs);
+        mUserHistoryDictionary = UserHistoryDictionary.getInstance(this, localeStr, mPrefs);
         mSuggest.setUserHistoryDictionary(mUserHistoryDictionary);
     }
 
     /**
      * Resets the contacts dictionary in mSuggest according to the user settings.
      *
-     * This method takes an optional contacts dictionary to use. Since the contacts dictionary
-     * does not depend on the locale, it can be reused across different instances of Suggest.
-     * The dictionary will also be opened or closed as necessary depending on the settings.
+     * This method takes an optional contacts dictionary to use when the locale hasn't changed
+     * since the contacts dictionary can be opened or closed as necessary depending on the settings.
      *
      * @param oldContactsDictionary an optional dictionary to use, or null
      */
-    private void resetContactsDictionary(final Dictionary oldContactsDictionary) {
-        final boolean shouldSetDictionary = (null != mSuggest && mSettingsValues.mUseContactsDict);
+    private void resetContactsDictionary(final ContactsBinaryDictionary oldContactsDictionary) {
+        final boolean shouldSetDictionary = (null != mSuggest && mCurrentSettings.mUseContactsDict);
 
-        final Dictionary dictionaryToUse;
+        final ContactsBinaryDictionary dictionaryToUse;
         if (!shouldSetDictionary) {
             // Make sure the dictionary is closed. If it is already closed, this is a no-op,
             // so it's safe to call it anyways.
             if (null != oldContactsDictionary) oldContactsDictionary.close();
             dictionaryToUse = null;
-        } else if (null != oldContactsDictionary) {
-            // Make sure the old contacts dictionary is opened. If it is already open, this is a
-            // no-op, so it's safe to call it anyways.
-            if (USE_BINARY_CONTACTS_DICTIONARY) {
-                ((ContactsBinaryDictionary)oldContactsDictionary).reopen(this);
-            } else {
-                ((ContactsDictionary)oldContactsDictionary).reopen(this);
-            }
-            dictionaryToUse = oldContactsDictionary;
         } else {
-            if (USE_BINARY_CONTACTS_DICTIONARY) {
-                dictionaryToUse = new ContactsBinaryDictionary(this, Suggest.DIC_CONTACTS,
-                        mSubtypeSwitcher.getCurrentSubtypeLocale());
+            final Locale locale = mSubtypeSwitcher.getCurrentSubtypeLocale();
+            if (null != oldContactsDictionary) {
+                if (!oldContactsDictionary.mLocale.equals(locale)) {
+                    // If the locale has changed then recreate the contacts dictionary. This
+                    // allows locale dependent rules for handling bigram name predictions.
+                    oldContactsDictionary.close();
+                    dictionaryToUse = new ContactsBinaryDictionary(this, locale);
+                } else {
+                    // Make sure the old contacts dictionary is opened. If it is already open,
+                    // this is a no-op, so it's safe to call it anyways.
+                    oldContactsDictionary.reopen(this);
+                    dictionaryToUse = oldContactsDictionary;
+                }
             } else {
-                dictionaryToUse = new ContactsDictionary(this, Suggest.DIC_CONTACTS);
+                dictionaryToUse = new ContactsBinaryDictionary(this, locale);
             }
         }
 
@@ -569,9 +541,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (mDisplayOrientation != conf.orientation) {
             mDisplayOrientation = conf.orientation;
             mHandler.startOrientationChanging();
-            final InputConnection ic = getCurrentInputConnection();
-            commitTyped(ic, LastComposedWord.NOT_A_SEPARATOR);
-            if (ic != null) ic.finishComposingText(); // For voice input
+            mConnection.beginBatchEdit(getCurrentInputConnection());
+            commitTyped(LastComposedWord.NOT_A_SEPARATOR);
+            mConnection.finishComposingText();
+            mConnection.endBatchEdit();
             if (isShowingOptionDialog())
                 mOptionsDialog.dismiss();
         }
@@ -660,6 +633,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                     + ((editorInfo.inputType & InputType.TYPE_TEXT_FLAG_CAP_WORDS) != 0));
         }
         if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.getInstance().start();
             ResearchLogger.latinIME_onStartInputViewInternal(editorInfo, mPrefs);
         }
         if (InputAttributes.inPrivateImeOptions(null, NO_MICROPHONE_COMPAT, editorInfo)) {
@@ -699,7 +673,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         updateFullscreenMode();
         mLastSelectionStart = editorInfo.initialSelStart;
         mLastSelectionEnd = editorInfo.initialSelEnd;
-        mInputAttributes = new InputAttributes(editorInfo, isFullscreenMode());
         mApplicationSpecifiedCompletions = null;
 
         inputView.closing();
@@ -709,14 +682,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mSpaceState = SPACE_STATE_NONE;
 
         loadSettings();
-        updateCorrectionMode();
-        updateSuggestionVisibility(mResources);
 
-        if (mSuggest != null && mSettingsValues.mAutoCorrectEnabled) {
-            mSuggest.setAutoCorrectionThreshold(mSettingsValues.mAutoCorrectionThreshold);
+        if (mSuggest != null && mCurrentSettings.mCorrectionEnabled) {
+            mSuggest.setAutoCorrectionThreshold(mCurrentSettings.mAutoCorrectionThreshold);
         }
 
-        switcher.loadKeyboard(editorInfo, mSettingsValues);
+        switcher.loadKeyboard(editorInfo, mCurrentSettings);
 
         if (mSuggestionsView != null)
             mSuggestionsView.clear();
@@ -726,19 +697,24 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mHandler.postUpdateSuggestions();
         mHandler.cancelDoubleSpacesTimer();
 
-        inputView.setKeyPreviewPopupEnabled(mSettingsValues.mKeyPreviewPopupOn,
-                mSettingsValues.mKeyPreviewPopupDismissDelay);
+        inputView.setKeyPreviewPopupEnabled(mCurrentSettings.mKeyPreviewPopupOn,
+                mCurrentSettings.mKeyPreviewPopupDismissDelay);
         inputView.setProximityCorrectionEnabled(true);
 
         if (TRACE) Debug.startMethodTracing("/data/trace/latinime");
     }
 
+    @Override
     public void onTargetApplicationKnown(final ApplicationInfo info) {
         mTargetApplicationInfo = info;
     }
 
     @Override
     public void onWindowHidden() {
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_onWindowHidden(mLastSelectionStart, mLastSelectionEnd,
+                    getCurrentInputConnection());
+        }
         super.onWindowHidden();
         KeyboardView inputView = mKeyboardSwitcher.getKeyboardView();
         if (inputView != null) inputView.closing();
@@ -748,6 +724,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         super.onFinishInput();
 
         LatinImeLogger.commit();
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.getInstance().stop();
+        }
 
         KeyboardView inputView = mKeyboardSwitcher.getKeyboardView();
         if (inputView != null) inputView.closing();
@@ -768,7 +747,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             int composingSpanStart, int composingSpanEnd) {
         super.onUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd,
                 composingSpanStart, composingSpanEnd);
-
         if (DEBUG) {
             Log.i(TAG, "onUpdateSelection: oss=" + oldSelStart
                     + ", ose=" + oldSelEnd
@@ -780,9 +758,16 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                     + ", ce=" + composingSpanEnd);
         }
         if (ProductionFlag.IS_EXPERIMENTAL) {
+            final boolean expectingUpdateSelectionFromLogger =
+                    ResearchLogger.getAndClearLatinIMEExpectingUpdateSelection();
             ResearchLogger.latinIME_onUpdateSelection(mLastSelectionStart, mLastSelectionEnd,
                     oldSelStart, oldSelEnd, newSelStart, newSelEnd, composingSpanStart,
-                    composingSpanEnd);
+                    composingSpanEnd, mExpectingUpdateSelection,
+                    expectingUpdateSelectionFromLogger, mConnection);
+            if (expectingUpdateSelectionFromLogger) {
+                // TODO: Investigate. Quitting now sounds wrong - we won't do the resetting work
+                return;
+            }
         }
 
         // TODO: refactor the following code to be less contrived.
@@ -841,7 +826,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
      */
     @Override
     public void onExtractedTextClicked() {
-        if (isSuggestionsRequested()) return;
+        if (mCurrentSettings.isSuggestionsRequested(mDisplayOrientation)) return;
 
         super.onExtractedTextClicked();
     }
@@ -857,7 +842,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
      */
     @Override
     public void onExtractedCursorMovement(int dx, int dy) {
-        if (isSuggestionsRequested()) return;
+        if (mCurrentSettings.isSuggestionsRequested(mDisplayOrientation)) return;
 
         super.onExtractedCursorMovement(dx, dy);
     }
@@ -888,33 +873,31 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (ProductionFlag.IS_EXPERIMENTAL) {
             ResearchLogger.latinIME_onDisplayCompletions(applicationSpecifiedCompletions);
         }
-        if (mInputAttributes.mApplicationSpecifiedCompletionOn) {
-            mApplicationSpecifiedCompletions = applicationSpecifiedCompletions;
-            if (applicationSpecifiedCompletions == null) {
-                clearSuggestions();
-                return;
-            }
-
-            final ArrayList<SuggestedWords.SuggestedWordInfo> applicationSuggestedWords =
-                    SuggestedWords.getFromApplicationSpecifiedCompletions(
-                            applicationSpecifiedCompletions);
-            final SuggestedWords suggestedWords = new SuggestedWords(
-                    applicationSuggestedWords,
-                    false /* typedWordValid */,
-                    false /* hasAutoCorrectionCandidate */,
-                    false /* allowsToBeAutoCorrected */,
-                    false /* isPunctuationSuggestions */,
-                    false /* isObsoleteSuggestions */,
-                    false /* isPrediction */);
-            // When in fullscreen mode, show completions generated by the application
-            final boolean isAutoCorrection = false;
-            setSuggestions(suggestedWords, isAutoCorrection);
-            setAutoCorrectionIndicator(isAutoCorrection);
-            // TODO: is this the right thing to do? What should we auto-correct to in
-            // this case? This says to keep whatever the user typed.
-            mWordComposer.setAutoCorrection(mWordComposer.getTypedWord());
-            setSuggestionStripShown(true);
+        if (!mCurrentSettings.isApplicationSpecifiedCompletionsOn()) return;
+        mApplicationSpecifiedCompletions = applicationSpecifiedCompletions;
+        if (applicationSpecifiedCompletions == null) {
+            clearSuggestions();
+            return;
         }
+
+        final ArrayList<SuggestedWords.SuggestedWordInfo> applicationSuggestedWords =
+                SuggestedWords.getFromApplicationSpecifiedCompletions(
+                        applicationSpecifiedCompletions);
+        final SuggestedWords suggestedWords = new SuggestedWords(
+                applicationSuggestedWords,
+                false /* typedWordValid */,
+                false /* hasAutoCorrectionCandidate */,
+                false /* isPunctuationSuggestions */,
+                false /* isObsoleteSuggestions */,
+                false /* isPrediction */);
+        // When in fullscreen mode, show completions generated by the application
+        final boolean isAutoCorrection = false;
+        setSuggestions(suggestedWords, isAutoCorrection);
+        setAutoCorrectionIndicator(isAutoCorrection);
+        // TODO: is this the right thing to do? What should we auto-correct to in
+        // this case? This says to keep whatever the user typed.
+        mWordComposer.setAutoCorrection(mWordComposer.getTypedWord());
+        setSuggestionStripShown(true);
     }
 
     private void setSuggestionStripShownInternal(boolean shown, boolean needsInputViewShown) {
@@ -1001,7 +984,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     public boolean onEvaluateFullscreenMode() {
         // Reread resource value here, because this method is called by framework anytime as needed.
         final boolean isFullscreenModeAllowed =
-                mSettingsValues.isFullscreenModeAllowed(getResources());
+                mCurrentSettings.isFullscreenModeAllowed(getResources());
         return super.onEvaluateFullscreenMode() && isFullscreenModeAllowed;
     }
 
@@ -1016,15 +999,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     // This will reset the whole input state to the starting state. It will clear
-    // the composing word, reset the last composed word, tell the inputconnection
-    // and the composingStateManager about it.
+    // the composing word, reset the last composed word, tell the inputconnection about it.
     private void resetEntireInputState() {
         resetComposingState(true /* alsoResetLastComposedWord */);
         updateSuggestions();
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic != null) {
-            ic.finishComposingText();
-        }
+        mConnection.finishComposingText();
     }
 
     private void resetComposingState(final boolean alsoResetLastComposedWord) {
@@ -1033,15 +1012,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             mLastComposedWord = LastComposedWord.NOT_A_COMPOSED_WORD;
     }
 
-    public void commitTyped(final InputConnection ic, final int separatorCode) {
+    public void commitTyped(final int separatorCode) {
         if (!mWordComposer.isComposingWord()) return;
         final CharSequence typedWord = mWordComposer.getTypedWord();
         if (typedWord.length() > 0) {
-            if (ic != null) {
-                ic.commitText(typedWord, 1);
-                if (ProductionFlag.IS_EXPERIMENTAL) {
-                    ResearchLogger.latinIME_commitText(typedWord);
-                }
+            mConnection.commitText(typedWord, 1);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.latinIME_commitText(typedWord);
             }
             final CharSequence prevWord = addToUserHistoryDictionary(typedWord);
             mLastComposedWord = mWordComposer.commitWord(
@@ -1052,7 +1029,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     public int getCurrentAutoCapsState() {
-        if (!mSettingsValues.mAutoCap) return Constants.TextUtils.CAP_MODE_OFF;
+        if (!mCurrentSettings.mAutoCap) return Constants.TextUtils.CAP_MODE_OFF;
 
         final EditorInfo ei = getCurrentInputEditorInfo();
         if (ei == null) return Constants.TextUtils.CAP_MODE_OFF;
@@ -1070,27 +1047,23 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // unless needed.
         if (mWordComposer.isComposingWord()) return Constants.TextUtils.CAP_MODE_OFF;
 
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic == null) return Constants.TextUtils.CAP_MODE_OFF;
         // TODO: This blocking IPC call is heavy. Consider doing this without using IPC calls.
         // Note: getCursorCapsMode() returns the current capitalization mode that is any
         // combination of CAP_MODE_CHARACTERS, CAP_MODE_WORDS, and CAP_MODE_SENTENCES. 0 means none
         // of them.
-        return ic.getCursorCapsMode(inputType);
+        return mConnection.getCursorCapsMode(inputType);
     }
 
-    // "ic" may be null
-    private void swapSwapperAndSpaceWhileInBatchEdit(final InputConnection ic) {
-        if (null == ic) return;
-        CharSequence lastTwo = ic.getTextBeforeCursor(2, 0);
+    private void swapSwapperAndSpace() {
+        CharSequence lastTwo = mConnection.getTextBeforeCursor(2, 0);
         // It is guaranteed lastTwo.charAt(1) is a swapper - else this method is not called.
         if (lastTwo != null && lastTwo.length() == 2
                 && lastTwo.charAt(0) == Keyboard.CODE_SPACE) {
-            ic.deleteSurroundingText(2, 0);
+            mConnection.deleteSurroundingText(2, 0);
             if (ProductionFlag.IS_EXPERIMENTAL) {
                 ResearchLogger.latinIME_deleteSurroundingText(2);
             }
-            ic.commitText(lastTwo.charAt(1) + " ", 1);
+            mConnection.commitText(lastTwo.charAt(1) + " ", 1);
             if (ProductionFlag.IS_EXPERIMENTAL) {
                 ResearchLogger.latinIME_swapSwapperAndSpaceWhileInBatchEdit();
             }
@@ -1098,18 +1071,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         }
     }
 
-    private boolean maybeDoubleSpaceWhileInBatchEdit(final InputConnection ic) {
-        if (mCorrectionMode == Suggest.CORRECTION_NONE) return false;
-        if (ic == null) return false;
-        final CharSequence lastThree = ic.getTextBeforeCursor(3, 0);
+    private boolean maybeDoubleSpace() {
+        if (!mCurrentSettings.mCorrectionEnabled) return false;
+        if (!mHandler.isAcceptingDoubleSpaces()) return false;
+        final CharSequence lastThree = mConnection.getTextBeforeCursor(3, 0);
         if (lastThree != null && lastThree.length() == 3
                 && canBeFollowedByPeriod(lastThree.charAt(0))
                 && lastThree.charAt(1) == Keyboard.CODE_SPACE
-                && lastThree.charAt(2) == Keyboard.CODE_SPACE
-                && mHandler.isAcceptingDoubleSpaces()) {
+                && lastThree.charAt(2) == Keyboard.CODE_SPACE) {
             mHandler.cancelDoubleSpacesTimer();
-            ic.deleteSurroundingText(2, 0);
-            ic.commitText(". ", 1);
+            mConnection.deleteSurroundingText(2, 0);
+            mConnection.commitText(". ", 1);
             if (ProductionFlag.IS_EXPERIMENTAL) {
                 ResearchLogger.latinIME_doubleSpaceAutoPeriod();
             }
@@ -1131,26 +1103,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 || codePoint == Keyboard.CODE_CLOSING_ANGLE_BRACKET;
     }
 
-    // "ic" may be null
-    private static void removeTrailingSpaceWhileInBatchEdit(final InputConnection ic) {
-        if (ic == null) return;
-        final CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
-        if (lastOne != null && lastOne.length() == 1
-                && lastOne.charAt(0) == Keyboard.CODE_SPACE) {
-            ic.deleteSurroundingText(1, 0);
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_deleteSurroundingText(1);
-            }
-        }
-    }
-
     @Override
     public boolean addWordToDictionary(String word) {
-        if (USE_BINARY_USER_DICTIONARY) {
-            ((UserBinaryDictionary)mUserDictionary).addWordToUserDictionary(word, 128);
-        } else {
-            ((UserDictionary)mUserDictionary).addWordToUserDictionary(word, 128);
-        }
+        mUserDictionary.addWordToUserDictionary(word, 128);
         // Suggestion strip should be updated after the operation of adding word to the
         // user dictionary
         mHandler.postUpdateSuggestions();
@@ -1193,17 +1148,14 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void performEditorAction(int actionId) {
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic != null) {
-            ic.performEditorAction(actionId);
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_performEditorAction(actionId);
-            }
+        mConnection.performEditorAction(actionId);
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_performEditorAction(actionId);
         }
     }
 
     private void handleLanguageSwitchKey() {
-        final boolean includesOtherImes = mSettingsValues.mIncludesOtherImesInLanguageSwitchList;
+        final boolean includesOtherImes = mCurrentSettings.mIncludesOtherImesInLanguageSwitchList;
         final IBinder token = getWindow().getWindow().getAttributes().token;
         if (mShouldSwitchToLastSubtype) {
             final InputMethodSubtype lastSubtype = mImm.getLastInputMethodSubtype();
@@ -1221,12 +1173,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         }
     }
 
-    static private void sendUpDownEnterOrBackspace(final int code, final InputConnection ic) {
+    private void sendUpDownEnterOrBackspace(final int code) {
         final long eventTime = SystemClock.uptimeMillis();
-        ic.sendKeyEvent(new KeyEvent(eventTime, eventTime,
+        mConnection.sendKeyEvent(new KeyEvent(eventTime, eventTime,
                 KeyEvent.ACTION_DOWN, code, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0,
                 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE));
-        ic.sendKeyEvent(new KeyEvent(SystemClock.uptimeMillis(), eventTime,
+        mConnection.sendKeyEvent(new KeyEvent(SystemClock.uptimeMillis(), eventTime,
                 KeyEvent.ACTION_UP, code, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0,
                 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE));
     }
@@ -1239,24 +1191,21 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             return;
         }
 
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic != null) {
-            // 16 is android.os.Build.VERSION_CODES.JELLY_BEAN but we can't write it because
-            // we want to be able to compile against the Ice Cream Sandwich SDK.
-            if (Keyboard.CODE_ENTER == code && mTargetApplicationInfo != null
-                    && mTargetApplicationInfo.targetSdkVersion < 16) {
-                // Backward compatibility mode. Before Jelly bean, the keyboard would simulate
-                // a hardware keyboard event on pressing enter or delete. This is bad for many
-                // reasons (there are race conditions with commits) but some applications are
-                // relying on this behavior so we continue to support it for older apps.
-                sendUpDownEnterOrBackspace(KeyEvent.KEYCODE_ENTER, ic);
-            } else {
-                final String text = new String(new int[] { code }, 0, 1);
-                ic.commitText(text, text.length());
-            }
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_sendKeyCodePoint(code);
-            }
+        // 16 is android.os.Build.VERSION_CODES.JELLY_BEAN but we can't write it because
+        // we want to be able to compile against the Ice Cream Sandwich SDK.
+        if (Keyboard.CODE_ENTER == code && mTargetApplicationInfo != null
+                && mTargetApplicationInfo.targetSdkVersion < 16) {
+            // Backward compatibility mode. Before Jelly bean, the keyboard would simulate
+            // a hardware keyboard event on pressing enter or delete. This is bad for many
+            // reasons (there are race conditions with commits) but some applications are
+            // relying on this behavior so we continue to support it for older apps.
+            sendUpDownEnterOrBackspace(KeyEvent.KEYCODE_ENTER);
+        } else {
+            final String text = new String(new int[] { code }, 0, 1);
+            mConnection.commitText(text, text.length());
+        }
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_sendKeyCodePoint(code);
         }
     }
 
@@ -1268,11 +1217,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             mDeleteCount = 0;
         }
         mLastKeyTime = when;
+        mConnection.beginBatchEdit(getCurrentInputConnection());
 
         if (ProductionFlag.IS_EXPERIMENTAL) {
-            if (ResearchLogger.sIsLogging) {
-                ResearchLogger.getInstance().logKeyEvent(primaryCode, x, y);
-            }
+            ResearchLogger.latinIME_onCodeInput(primaryCode, x, y);
         }
 
         final KeyboardSwitcher switcher = mKeyboardSwitcher;
@@ -1321,14 +1269,18 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         case Keyboard.CODE_LANGUAGE_SWITCH:
             handleLanguageSwitchKey();
             break;
+        case Keyboard.CODE_RESEARCH:
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.getInstance().presentResearchDialog(this);
+            }
+            break;
         default:
-            if (primaryCode == Keyboard.CODE_TAB
-                    && mInputAttributes.mEditorAction == EditorInfo.IME_ACTION_NEXT) {
+            if (primaryCode == Keyboard.CODE_TAB && mCurrentSettings.isEditorActionNext()) {
                 performEditorAction(EditorInfo.IME_ACTION_NEXT);
                 break;
             }
             mSpaceState = SPACE_STATE_NONE;
-            if (mSettingsValues.isWordSeparator(primaryCode)) {
+            if (mCurrentSettings.isWordSeparator(primaryCode)) {
                 didAutoCorrect = handleSeparator(primaryCode, x, y, spaceState);
             } else {
                 final Keyboard keyboard = mKeyboardSwitcher.getKeyboard();
@@ -1349,23 +1301,22 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 && primaryCode != Keyboard.CODE_SWITCH_ALPHA_SYMBOL)
             mLastComposedWord.deactivate();
         mEnteredText = null;
+        mConnection.endBatchEdit();
     }
 
     @Override
     public void onTextInput(CharSequence text) {
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic == null) return;
-        ic.beginBatchEdit();
-        commitTyped(ic, LastComposedWord.NOT_A_SEPARATOR);
-        text = specificTldProcessingOnTextInput(ic, text);
+        mConnection.beginBatchEdit(getCurrentInputConnection());
+        commitTyped(LastComposedWord.NOT_A_SEPARATOR);
+        text = specificTldProcessingOnTextInput(text);
         if (SPACE_STATE_PHANTOM == mSpaceState) {
             sendKeyCodePoint(Keyboard.CODE_SPACE);
         }
-        ic.commitText(text, 1);
+        mConnection.commitText(text, 1);
         if (ProductionFlag.IS_EXPERIMENTAL) {
             ResearchLogger.latinIME_commitText(text);
         }
-        ic.endBatchEdit();
+        mConnection.endBatchEdit();
         mKeyboardSwitcher.updateShiftState();
         mKeyboardSwitcher.onCodeInput(Keyboard.CODE_OUTPUT_TEXT);
         mSpaceState = SPACE_STATE_NONE;
@@ -1373,9 +1324,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         resetComposingState(true /* alsoResetLastComposedWord */);
     }
 
-    // ic may not be null
-    private CharSequence specificTldProcessingOnTextInput(final InputConnection ic,
-            final CharSequence text) {
+    private CharSequence specificTldProcessingOnTextInput(final CharSequence text) {
         if (text.length() <= 1 || text.charAt(0) != Keyboard.CODE_PERIOD
                 || !Character.isLetter(text.charAt(1))) {
             // Not a tld: do nothing.
@@ -1384,7 +1333,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // We have a TLD (or something that looks like this): make sure we don't add
         // a space even if currently in phantom mode.
         mSpaceState = SPACE_STATE_NONE;
-        final CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
+        final CharSequence lastOne = mConnection.getTextBeforeCursor(1, 0);
         if (lastOne != null && lastOne.length() == 1
                 && lastOne.charAt(0) == Keyboard.CODE_PERIOD) {
             return text.subSequence(1, text.length());
@@ -1400,24 +1349,15 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void handleBackspace(final int spaceState) {
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic == null) return;
-        ic.beginBatchEdit();
-        handleBackspaceWhileInBatchEdit(spaceState, ic);
-        ic.endBatchEdit();
-    }
-
-    // "ic" may not be null.
-    private void handleBackspaceWhileInBatchEdit(final int spaceState, final InputConnection ic) {
         // In many cases, we may have to put the keyboard in auto-shift state again.
         mHandler.postUpdateShiftState();
 
-        if (mEnteredText != null && sameAsTextBeforeCursor(ic, mEnteredText)) {
+        if (mEnteredText != null && mConnection.sameAsTextBeforeCursor(mEnteredText)) {
             // Cancel multi-character input: remove the text we just entered.
             // This is triggered on backspace after a key that inputs multiple characters,
             // like the smiley key or the .com key.
             final int length = mEnteredText.length();
-            ic.deleteSurroundingText(length, 0);
+            mConnection.deleteSurroundingText(length, 0);
             if (ProductionFlag.IS_EXPERIMENTAL) {
                 ResearchLogger.latinIME_deleteSurroundingText(length);
             }
@@ -1431,7 +1371,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             final int length = mWordComposer.size();
             if (length > 0) {
                 mWordComposer.deleteLast();
-                ic.setComposingText(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
+                mConnection.setComposingText(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
                 // If we have deleted the last remaining character of a word, then we are not
                 // isComposingWord() any more.
                 if (!mWordComposer.isComposingWord()) {
@@ -1442,7 +1382,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                     mHandler.postUpdateSuggestions();
                 }
             } else {
-                ic.deleteSurroundingText(1, 0);
+                mConnection.deleteSurroundingText(1, 0);
                 if (ProductionFlag.IS_EXPERIMENTAL) {
                     ResearchLogger.latinIME_deleteSurroundingText(1);
                 }
@@ -1450,17 +1390,18 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         } else {
             if (mLastComposedWord.canRevertCommit()) {
                 Utils.Stats.onAutoCorrectionCancellation();
-                revertCommit(ic);
+                revertCommit();
                 return;
             }
             if (SPACE_STATE_DOUBLE == spaceState) {
-                if (revertDoubleSpaceWhileInBatchEdit(ic)) {
+                mHandler.cancelDoubleSpacesTimer();
+                if (mConnection.revertDoubleSpace()) {
                     // No need to reset mSpaceState, it has already be done (that's why we
                     // receive it as a parameter)
                     return;
                 }
             } else if (SPACE_STATE_SWAP_PUNCTUATION == spaceState) {
-                if (revertSwapPunctuation(ic)) {
+                if (mConnection.revertSwapPunctuation()) {
                     // Likewise
                     return;
                 }
@@ -1471,8 +1412,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             if (mLastSelectionStart != mLastSelectionEnd) {
                 // If there is a selection, remove it.
                 final int lengthToDelete = mLastSelectionEnd - mLastSelectionStart;
-                ic.setSelection(mLastSelectionEnd, mLastSelectionEnd);
-                ic.deleteSurroundingText(lengthToDelete, 0);
+                mConnection.setSelection(mLastSelectionEnd, mLastSelectionEnd);
+                mConnection.deleteSurroundingText(lengthToDelete, 0);
                 if (ProductionFlag.IS_EXPERIMENTAL) {
                     ResearchLogger.latinIME_deleteSurroundingText(lengthToDelete);
                 }
@@ -1490,40 +1431,39 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                     // a hardware keyboard event on pressing enter or delete. This is bad for many
                     // reasons (there are race conditions with commits) but some applications are
                     // relying on this behavior so we continue to support it for older apps.
-                    sendUpDownEnterOrBackspace(KeyEvent.KEYCODE_DEL, ic);
+                    sendUpDownEnterOrBackspace(KeyEvent.KEYCODE_DEL);
                 } else {
-                    ic.deleteSurroundingText(1, 0);
+                    mConnection.deleteSurroundingText(1, 0);
                 }
                 if (ProductionFlag.IS_EXPERIMENTAL) {
                     ResearchLogger.latinIME_deleteSurroundingText(1);
                 }
                 if (mDeleteCount > DELETE_ACCELERATE_AT) {
-                    ic.deleteSurroundingText(1, 0);
+                    mConnection.deleteSurroundingText(1, 0);
                     if (ProductionFlag.IS_EXPERIMENTAL) {
                         ResearchLogger.latinIME_deleteSurroundingText(1);
                     }
                 }
             }
-            if (isSuggestionsRequested()) {
-                restartSuggestionsOnWordBeforeCursorIfAtEndOfWord(ic);
+            if (mCurrentSettings.isSuggestionsRequested(mDisplayOrientation)) {
+                restartSuggestionsOnWordBeforeCursorIfAtEndOfWord();
             }
         }
     }
 
-    // ic may be null
-    private boolean maybeStripSpaceWhileInBatchEdit(final InputConnection ic, final int code,
+    private boolean maybeStripSpace(final int code,
             final int spaceState, final boolean isFromSuggestionStrip) {
         if (Keyboard.CODE_ENTER == code && SPACE_STATE_SWAP_PUNCTUATION == spaceState) {
-            removeTrailingSpaceWhileInBatchEdit(ic);
+            mConnection.removeTrailingSpace();
             return false;
         } else if ((SPACE_STATE_WEAK == spaceState
                 || SPACE_STATE_SWAP_PUNCTUATION == spaceState)
                 && isFromSuggestionStrip) {
-            if (mSettingsValues.isWeakSpaceSwapper(code)) {
+            if (mCurrentSettings.isWeakSpaceSwapper(code)) {
                 return true;
             } else {
-                if (mSettingsValues.isWeakSpaceStripper(code)) {
-                    removeTrailingSpaceWhileInBatchEdit(ic);
+                if (mCurrentSettings.isWeakSpaceStripper(code)) {
+                    mConnection.removeTrailingSpace();
                 }
                 return false;
             }
@@ -1534,20 +1474,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     private void handleCharacter(final int primaryCode, final int x,
             final int y, final int spaceState) {
-        final InputConnection ic = getCurrentInputConnection();
-        if (null != ic) ic.beginBatchEdit();
-        // TODO: if ic is null, does it make any sense to call this?
-        handleCharacterWhileInBatchEdit(primaryCode, x, y, spaceState, ic);
-        if (null != ic) ic.endBatchEdit();
-    }
-
-    // "ic" may be null without this crashing, but the behavior will be really strange
-    private void handleCharacterWhileInBatchEdit(final int primaryCode,
-            final int x, final int y, final int spaceState, final InputConnection ic) {
         boolean isComposingWord = mWordComposer.isComposingWord();
 
         if (SPACE_STATE_PHANTOM == spaceState &&
-                !mSettingsValues.isSymbolExcludedFromWordSeparators(primaryCode)) {
+                !mCurrentSettings.isSymbolExcludedFromWordSeparators(primaryCode)) {
             if (isComposingWord) {
                 // Sanity check
                 throw new RuntimeException("Should not be composing here");
@@ -1559,8 +1489,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // dozen milliseconds. Avoid calling it as much as possible, since we are on the UI
         // thread here.
         if (!isComposingWord && (isAlphabet(primaryCode)
-                || mSettingsValues.isSymbolExcludedFromWordSeparators(primaryCode))
-                && isSuggestionsRequested() && !isCursorTouchingWord()) {
+                || mCurrentSettings.isSymbolExcludedFromWordSeparators(primaryCode))
+                && mCurrentSettings.isSuggestionsRequested(mDisplayOrientation) &&
+                !mConnection.isCursorTouchingWord(mCurrentSettings)) {
             // Reset entirely the composing state anyway, then start composing a new word unless
             // the character is a single quote. The idea here is, single quote is not a
             // separator and it should be treated as a normal character, except in the first
@@ -1576,23 +1507,21 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (isComposingWord) {
             mWordComposer.add(
                     primaryCode, x, y, mKeyboardSwitcher.getKeyboardView().getKeyDetector());
-            if (ic != null) {
-                // If it's the first letter, make note of auto-caps state
-                if (mWordComposer.size() == 1) {
-                    mWordComposer.setAutoCapitalized(
-                            getCurrentAutoCapsState() != Constants.TextUtils.CAP_MODE_OFF);
-                }
-                ic.setComposingText(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
+            // If it's the first letter, make note of auto-caps state
+            if (mWordComposer.size() == 1) {
+                mWordComposer.setAutoCapitalized(
+                        getCurrentAutoCapsState() != Constants.TextUtils.CAP_MODE_OFF);
             }
+            mConnection.setComposingText(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
             mHandler.postUpdateSuggestions();
         } else {
-            final boolean swapWeakSpace = maybeStripSpaceWhileInBatchEdit(ic, primaryCode,
+            final boolean swapWeakSpace = maybeStripSpace(primaryCode,
                     spaceState, KeyboardActionListener.SUGGESTION_STRIP_COORDINATE == x);
 
             sendKeyCodePoint(primaryCode);
 
             if (swapWeakSpace) {
-                swapSwapperAndSpaceWhileInBatchEdit(ic);
+                swapSwapperAndSpace();
                 mSpaceState = SPACE_STATE_WEAK;
             }
             // Some characters are not word separators, yet they don't start a new
@@ -1619,37 +1548,31 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         boolean didAutoCorrect = false;
         // Handle separator
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic != null) {
-            ic.beginBatchEdit();
-        }
         if (mWordComposer.isComposingWord()) {
             // In certain languages where single quote is a separator, it's better
             // not to auto correct, but accept the typed word. For instance,
             // in Italian dov' should not be expanded to dove' because the elision
             // requires the last vowel to be removed.
-            final boolean shouldAutoCorrect = mSettingsValues.mAutoCorrectEnabled
-                    && !mInputAttributes.mInputTypeNoAutoCorrect;
-            if (shouldAutoCorrect && primaryCode != Keyboard.CODE_SINGLE_QUOTE) {
-                commitCurrentAutoCorrection(primaryCode, ic);
+            if (mCurrentSettings.mCorrectionEnabled && primaryCode != Keyboard.CODE_SINGLE_QUOTE) {
+                commitCurrentAutoCorrection(primaryCode);
                 didAutoCorrect = true;
             } else {
-                commitTyped(ic, primaryCode);
+                commitTyped(primaryCode);
             }
         }
 
-        final boolean swapWeakSpace = maybeStripSpaceWhileInBatchEdit(ic, primaryCode, spaceState,
+        final boolean swapWeakSpace = maybeStripSpace(primaryCode, spaceState,
                 KeyboardActionListener.SUGGESTION_STRIP_COORDINATE == x);
 
         if (SPACE_STATE_PHANTOM == spaceState &&
-                mSettingsValues.isPhantomSpacePromotingSymbol(primaryCode)) {
+                mCurrentSettings.isPhantomSpacePromotingSymbol(primaryCode)) {
             sendKeyCodePoint(Keyboard.CODE_SPACE);
         }
         sendKeyCodePoint(primaryCode);
 
         if (Keyboard.CODE_SPACE == primaryCode) {
-            if (isSuggestionsRequested()) {
-                if (maybeDoubleSpaceWhileInBatchEdit(ic)) {
+            if (mCurrentSettings.isSuggestionsRequested(mDisplayOrientation)) {
+                if (maybeDoubleSpace()) {
                     mSpaceState = SPACE_STATE_DOUBLE;
                 } else if (!isShowingPunctuationList()) {
                     mSpaceState = SPACE_STATE_WEAK;
@@ -1657,13 +1580,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             }
 
             mHandler.startDoubleSpacesTimer();
-            if (!isCursorTouchingWord()) {
+            if (!mConnection.isCursorTouchingWord(mCurrentSettings)) {
                 mHandler.cancelUpdateSuggestions();
                 mHandler.postUpdateBigramPredictions();
             }
         } else {
             if (swapWeakSpace) {
-                swapSwapperAndSpaceWhileInBatchEdit(ic);
+                swapSwapperAndSpace();
                 mSpaceState = SPACE_STATE_SWAP_PUNCTUATION;
             } else if (SPACE_STATE_PHANTOM == spaceState) {
                 // If we are in phantom space state, and the user presses a separator, we want to
@@ -1682,9 +1605,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         Utils.Stats.onSeparator((char)primaryCode, x, y);
 
-        if (ic != null) {
-            ic.endBatchEdit();
-        }
         return didAutoCorrect;
     }
 
@@ -1695,27 +1615,16 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     private void handleClose() {
-        commitTyped(getCurrentInputConnection(), LastComposedWord.NOT_A_SEPARATOR);
+        commitTyped(LastComposedWord.NOT_A_SEPARATOR);
         requestHideSelf(0);
         LatinKeyboardView inputView = mKeyboardSwitcher.getKeyboardView();
         if (inputView != null)
             inputView.closing();
     }
 
-    public boolean isSuggestionsRequested() {
-        return mInputAttributes.mIsSettingsSuggestionStripOn
-                && (mCorrectionMode > 0 || isShowingSuggestionsStrip());
-    }
-
     public boolean isShowingPunctuationList() {
         if (mSuggestionsView == null) return false;
-        return mSettingsValues.mSuggestPuncList == mSuggestionsView.getSuggestions();
-    }
-
-    public boolean isShowingSuggestionsStrip() {
-        return (mSuggestionVisibility == SUGGESTION_VISIBILILTY_SHOW_VALUE)
-                || (mSuggestionVisibility == SUGGESTION_VISIBILILTY_SHOW_ONLY_PORTRAIT_VALUE
-                        && mDisplayOrientation == Configuration.ORIENTATION_PORTRAIT);
+        return mCurrentSettings.mSuggestPuncList == mSuggestionsView.getSuggestions();
     }
 
     public boolean isSuggestionsStripVisible() {
@@ -1723,11 +1632,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             return false;
         if (mSuggestionsView.isShowingAddToDictionaryHint())
             return true;
-        if (!isShowingSuggestionsStrip())
+        if (!mCurrentSettings.isSuggestionStripVisibleInOrientation(mDisplayOrientation))
             return false;
-        if (mInputAttributes.mApplicationSpecifiedCompletionOn)
+        if (mCurrentSettings.isApplicationSpecifiedCompletionsOn())
             return true;
-        return isSuggestionsRequested();
+        return mCurrentSettings.isSuggestionsRequested(mDisplayOrientation);
     }
 
     public void switchToKeyboardView() {
@@ -1765,20 +1674,21 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     private void setAutoCorrectionIndicator(final boolean newAutoCorrectionIndicator) {
         // Put a blue underline to a word in TextView which will be auto-corrected.
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic == null) return;
         if (mIsAutoCorrectionIndicatorOn != newAutoCorrectionIndicator
                 && mWordComposer.isComposingWord()) {
             mIsAutoCorrectionIndicatorOn = newAutoCorrectionIndicator;
             final CharSequence textWithUnderline =
                     getTextWithUnderline(mWordComposer.getTypedWord());
-            ic.setComposingText(textWithUnderline, 1);
+            mConnection.setComposingText(textWithUnderline, 1);
         }
     }
 
     public void updateSuggestions() {
+        mHandler.cancelUpdateSuggestions();
+        mHandler.cancelUpdateBigramPredictions();
+
         // Check if we have a suggestion engine attached.
-        if ((mSuggest == null || !isSuggestionsRequested())) {
+        if ((mSuggest == null || !mCurrentSettings.isSuggestionsRequested(mDisplayOrientation))) {
             if (mWordComposer.isComposingWord()) {
                 Log.w(TAG, "Called updateSuggestions but suggestions were not requested!");
                 mWordComposer.setAutoCorrection(mWordComposer.getTypedWord());
@@ -1786,27 +1696,19 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             return;
         }
 
-        mHandler.cancelUpdateSuggestions();
-        mHandler.cancelUpdateBigramPredictions();
-
         if (!mWordComposer.isComposingWord()) {
+            // This is dead code: we can't come here with an empty word composer.
             setPunctuationSuggestions();
             return;
         }
 
         // TODO: May need a better way of retrieving previous word
-        final InputConnection ic = getCurrentInputConnection();
-        final CharSequence prevWord;
-        if (null == ic) {
-            prevWord = null;
-        } else {
-            prevWord = EditingUtils.getPreviousWord(ic, mSettingsValues.mWordSeparators);
-        }
-
+        final CharSequence prevWord = mConnection.getPreviousWord(mCurrentSettings.mWordSeparators);
         final CharSequence typedWord = mWordComposer.getTypedWord();
         // getSuggestedWords handles gracefully a null value of prevWord
         final SuggestedWords suggestedWords = mSuggest.getSuggestedWords(mWordComposer,
-                prevWord, mKeyboardSwitcher.getKeyboard().getProximityInfo(), mCorrectionMode);
+                prevWord, mKeyboardSwitcher.getKeyboard().getProximityInfo(),
+                mCurrentSettings.mCorrectionEnabled, false);
 
         // Basically, we update the suggestion strip only when suggestion count > 1.  However,
         // there is an exception: We update the suggestion strip whenever typed word's length
@@ -1815,12 +1717,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // need to clear the previous state when the user starts typing a word (i.e. typed word's
         // length == 1).
         if (suggestedWords.size() > 1 || typedWord.length() == 1
-                || !suggestedWords.mAllowsToBeAutoCorrected
+                || !suggestedWords.mTypedWordValid
                 || mSuggestionsView.isShowingAddToDictionaryHint()) {
             showSuggestions(suggestedWords, typedWord);
         } else {
             SuggestedWords previousSuggestions = mSuggestionsView.getSuggestions();
-            if (previousSuggestions == mSettingsValues.mSuggestPuncList) {
+            if (previousSuggestions == mCurrentSettings.mSuggestPuncList) {
                 previousSuggestions = SuggestedWords.EMPTY;
             }
             final ArrayList<SuggestedWords.SuggestedWordInfo> typedWordAndPreviousSuggestions =
@@ -1830,7 +1732,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                     new SuggestedWords(typedWordAndPreviousSuggestions,
                             false /* typedWordValid */,
                             false /* hasAutoCorrectionCandidate */,
-                            false /* allowsToBeAutoCorrected */,
                             false /* isPunctuationSuggestions */,
                             true /* isObsoleteSuggestions */,
                             false /* isPrediction */);
@@ -1856,8 +1757,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         setSuggestionStripShown(isSuggestionsStripVisible());
     }
 
-    private void commitCurrentAutoCorrection(final int separatorCodePoint,
-            final InputConnection ic) {
+    private void commitCurrentAutoCorrection(final int separatorCodePoint) {
         // Complete any pending suggestions query first
         if (mHandler.hasPendingUpdateSuggestions()) {
             mHandler.cancelUpdateSuggestions();
@@ -1878,10 +1778,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             mExpectingUpdateSelection = true;
             commitChosenWord(autoCorrection, LastComposedWord.COMMIT_TYPE_DECIDED_WORD,
                     separatorCodePoint);
-            if (!typedWord.equals(autoCorrection) && null != ic) {
+            if (!typedWord.equals(autoCorrection)) {
                 // This will make the correction flash for a short while as a visual clue
                 // to the user that auto-correction happened.
-                ic.commitCorrection(new CorrectionInfo(mLastSelectionEnd - typedWord.length(),
+                mConnection.commitCorrection(
+                        new CorrectionInfo(mLastSelectionEnd - typedWord.length(),
                         typedWord, autoCorrection));
             }
         }
@@ -1889,15 +1790,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     @Override
     public void pickSuggestionManually(final int index, final CharSequence suggestion,
-            int x, int y) {
-        final InputConnection ic = getCurrentInputConnection();
-        if (null != ic) ic.beginBatchEdit();
-        pickSuggestionManuallyWhileInBatchEdit(index, suggestion, x, y, ic);
-        if (null != ic) ic.endBatchEdit();
-    }
-
-    public void pickSuggestionManuallyWhileInBatchEdit(final int index,
-        final CharSequence suggestion, final int x, final int y, final InputConnection ic) {
+            final int x, final int y) {
         final SuggestedWords suggestedWords = mSuggestionsView.getSuggestions();
         // If this is a punctuation picked from the suggestion strip, pass it to onCodeInput
         if (suggestion.length() == 1 && isShowingPunctuationList()) {
@@ -1917,13 +1810,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
         if (SPACE_STATE_PHANTOM == mSpaceState && suggestion.length() > 0) {
             int firstChar = Character.codePointAt(suggestion, 0);
-            if ((!mSettingsValues.isWeakSpaceStripper(firstChar))
-                    && (!mSettingsValues.isWeakSpaceSwapper(firstChar))) {
+            if ((!mCurrentSettings.isWeakSpaceStripper(firstChar))
+                    && (!mCurrentSettings.isWeakSpaceSwapper(firstChar))) {
                 sendKeyCodePoint(Keyboard.CODE_SPACE);
             }
         }
 
-        if (mInputAttributes.mApplicationSpecifiedCompletionOn
+        if (mCurrentSettings.isApplicationSpecifiedCompletionsOn()
                 && mApplicationSpecifiedCompletions != null
                 && index >= 0 && index < mApplicationSpecifiedCompletions.length) {
             if (mSuggestionsView != null) {
@@ -1931,13 +1824,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             }
             mKeyboardSwitcher.updateShiftState();
             resetComposingState(true /* alsoResetLastComposedWord */);
-            if (ic != null) {
-                final CompletionInfo completionInfo = mApplicationSpecifiedCompletions[index];
-                ic.commitCompletion(completionInfo);
-                if (ProductionFlag.IS_EXPERIMENTAL) {
-                    ResearchLogger.latinIME_pickApplicationSpecifiedCompletion(index,
-                            completionInfo.getText(), x, y);
-                }
+            final CompletionInfo completionInfo = mApplicationSpecifiedCompletions[index];
+            mConnection.beginBatchEdit(getCurrentInputConnection());
+            mConnection.commitCompletion(completionInfo);
+            mConnection.endBatchEdit();
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.latinIME_pickApplicationSpecifiedCompletion(index,
+                        completionInfo.getText(), x, y);
             }
             return;
         }
@@ -1966,8 +1859,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // - There is a dictionary and the word is not in it
         // Please note that if mSuggest is null, it means that everything is off: suggestion
         // and correction, so we shouldn't try to show the hint
-        // We used to look at mCorrectionMode here, but showing the hint should have nothing
-        // to do with the autocorrection setting.
         final boolean showingAddToDictionaryHint = index == 0 && mSuggest != null
                 // If there is no dictionary the hint should be shown.
                 && (!mSuggest.hasMainDictionary()
@@ -1987,7 +1878,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         } else {
             if (mIsUserDictionaryAvailable) {
                 mSuggestionsView.showAddToDictionaryHint(
-                        suggestion, mSettingsValues.mHintToSaveText);
+                        suggestion, mCurrentSettings.mHintToSaveText);
             } else {
                 mHandler.postUpdateSuggestions();
             }
@@ -1999,22 +1890,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
      */
     private void commitChosenWord(final CharSequence chosenWord, final int commitType,
             final int separatorCode) {
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic != null) {
-            if (mSettingsValues.mEnableSuggestionSpanInsertion) {
-                final SuggestedWords suggestedWords = mSuggestionsView.getSuggestions();
-                ic.commitText(SuggestionSpanUtils.getTextWithSuggestionSpan(
-                        this, chosenWord, suggestedWords, mIsMainDictionaryAvailable),
-                        1);
-                if (ProductionFlag.IS_EXPERIMENTAL) {
-                    ResearchLogger.latinIME_commitText(chosenWord);
-                }
-            } else {
-                ic.commitText(chosenWord, 1);
-                if (ProductionFlag.IS_EXPERIMENTAL) {
-                    ResearchLogger.latinIME_commitText(chosenWord);
-                }
-            }
+        final SuggestedWords suggestedWords = mSuggestionsView.getSuggestions();
+        mConnection.commitText(SuggestionSpanUtils.getTextWithSuggestionSpan(
+                this, chosenWord, suggestedWords, mIsMainDictionaryAvailable), 1);
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_commitText(chosenWord);
         }
         // Add the word to the user history dictionary
         final CharSequence prevWord = addToUserHistoryDictionary(chosenWord);
@@ -2027,20 +1907,29 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     public void updateBigramPredictions() {
-        if (mSuggest == null || !isSuggestionsRequested())
+        mHandler.cancelUpdateSuggestions();
+        mHandler.cancelUpdateBigramPredictions();
+
+        if (mSuggest == null || !mCurrentSettings.isSuggestionsRequested(mDisplayOrientation)) {
+            if (mWordComposer.isComposingWord()) {
+                Log.w(TAG, "Called updateBigramPredictions but suggestions were not requested!");
+                mWordComposer.setAutoCorrection(mWordComposer.getTypedWord());
+            }
             return;
+        }
 
-        if (!mSettingsValues.mBigramPredictionEnabled) {
+        if (!mCurrentSettings.mBigramPredictionEnabled) {
             setPunctuationSuggestions();
             return;
         }
 
         final SuggestedWords suggestedWords;
-        if (mCorrectionMode == Suggest.CORRECTION_FULL_BIGRAM) {
-            final CharSequence prevWord = EditingUtils.getThisWord(getCurrentInputConnection(),
-                    mSettingsValues.mWordSeparators);
+        if (mCurrentSettings.mCorrectionEnabled) {
+            final CharSequence prevWord = mConnection.getThisWord(mCurrentSettings.mWordSeparators);
             if (!TextUtils.isEmpty(prevWord)) {
-                suggestedWords = mSuggest.getBigramPredictions(prevWord);
+                suggestedWords = mSuggest.getSuggestedWords(mWordComposer,
+                        prevWord, mKeyboardSwitcher.getKeyboard().getProximityInfo(),
+                        mCurrentSettings.mCorrectionEnabled, true);
             } else {
                 suggestedWords = null;
             }
@@ -2058,10 +1947,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     public void setPunctuationSuggestions() {
-        if (mSettingsValues.mBigramPredictionEnabled) {
+        if (mCurrentSettings.mBigramPredictionEnabled) {
             clearSuggestions();
         } else {
-            setSuggestions(mSettingsValues.mSuggestPuncList, false);
+            setSuggestions(mCurrentSettings.mSuggestPuncList, false);
         }
         setAutoCorrectionIndicator(false);
         setSuggestionStripShown(isSuggestionsStripVisible());
@@ -2070,22 +1959,15 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     private CharSequence addToUserHistoryDictionary(final CharSequence suggestion) {
         if (TextUtils.isEmpty(suggestion)) return null;
 
-        // Only auto-add to dictionary if auto-correct is ON. Otherwise we'll be
-        // adding words in situations where the user or application really didn't
-        // want corrections enabled or learned.
-        if (!(mCorrectionMode == Suggest.CORRECTION_FULL
-                || mCorrectionMode == Suggest.CORRECTION_FULL_BIGRAM)) {
-            return null;
-        }
+        // If correction is not enabled, we don't add words to the user history dictionary.
+        // That's to avoid unintended additions in some sensitive fields, or fields that
+        // expect to receive non-words.
+        if (!mCurrentSettings.mCorrectionEnabled) return null;
 
-        if (mUserHistoryDictionary != null) {
-            final InputConnection ic = getCurrentInputConnection();
-            final CharSequence prevWord;
-            if (null != ic) {
-                prevWord = EditingUtils.getPreviousWord(ic, mSettingsValues.mWordSeparators);
-            } else {
-                prevWord = null;
-            }
+        final UserHistoryDictionary userHistoryDictionary = mUserHistoryDictionary;
+        if (userHistoryDictionary != null) {
+            final CharSequence prevWord
+                    = mConnection.getPreviousWord(mCurrentSettings.mWordSeparators);
             final String secondWord;
             if (mWordComposer.isAutoCapitalized() && !mWordComposer.isMostlyCaps()) {
                 secondWord = suggestion.toString().toLowerCase(
@@ -2098,95 +1980,36 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             final int maxFreq = AutoCorrection.getMaxFrequency(
                     mSuggest.getUnigramDictionaries(), suggestion);
             if (maxFreq == 0) return null;
-            mUserHistoryDictionary.addToUserHistory(null == prevWord ? null : prevWord.toString(),
+            userHistoryDictionary.addToUserHistory(null == prevWord ? null : prevWord.toString(),
                     secondWord, maxFreq > 0);
             return prevWord;
         }
         return null;
     }
 
-    public boolean isCursorTouchingWord() {
-        final InputConnection ic = getCurrentInputConnection();
-        if (ic == null) return false;
-        CharSequence before = ic.getTextBeforeCursor(1, 0);
-        CharSequence after = ic.getTextAfterCursor(1, 0);
-        if (!TextUtils.isEmpty(before) && !mSettingsValues.isWordSeparator(before.charAt(0))
-                && !mSettingsValues.isSymbolExcludedFromWordSeparators(before.charAt(0))) {
-            return true;
-        }
-        if (!TextUtils.isEmpty(after) && !mSettingsValues.isWordSeparator(after.charAt(0))
-                && !mSettingsValues.isSymbolExcludedFromWordSeparators(after.charAt(0))) {
-            return true;
-        }
-        return false;
-    }
-
-    // "ic" must not be null
-    private static boolean sameAsTextBeforeCursor(final InputConnection ic,
-            final CharSequence text) {
-        final CharSequence beforeText = ic.getTextBeforeCursor(text.length(), 0);
-        return TextUtils.equals(text, beforeText);
-    }
-
-    // "ic" must not be null
     /**
      * Check if the cursor is actually at the end of a word. If so, restart suggestions on this
      * word, else do nothing.
      */
-    private void restartSuggestionsOnWordBeforeCursorIfAtEndOfWord(
-            final InputConnection ic) {
-        // Bail out if the cursor is not at the end of a word (cursor must be preceded by
-        // non-whitespace, non-separator, non-start-of-text)
-        // Example ("|" is the cursor here) : <SOL>"|a" " |a" " | " all get rejected here.
-        final CharSequence textBeforeCursor = ic.getTextBeforeCursor(1, 0);
-        if (TextUtils.isEmpty(textBeforeCursor)
-                || mSettingsValues.isWordSeparator(textBeforeCursor.charAt(0))) return;
-
-        // Bail out if the cursor is in the middle of a word (cursor must be followed by whitespace,
-        // separator or end of line/text)
-        // Example: "test|"<EOL> "te|st" get rejected here
-        final CharSequence textAfterCursor = ic.getTextAfterCursor(1, 0);
-        if (!TextUtils.isEmpty(textAfterCursor)
-                && !mSettingsValues.isWordSeparator(textAfterCursor.charAt(0))) return;
-
-        // Bail out if word before cursor is 0-length or a single non letter (like an apostrophe)
-        // Example: " -|" gets rejected here but "e-|" and "e|" are okay
-        CharSequence word = EditingUtils.getWordAtCursor(ic, mSettingsValues.mWordSeparators);
-        // We don't suggest on leading single quotes, so we have to remove them from the word if
-        // it starts with single quotes.
-        while (!TextUtils.isEmpty(word) && Keyboard.CODE_SINGLE_QUOTE == word.charAt(0)) {
-            word = word.subSequence(1, word.length());
-        }
-        if (TextUtils.isEmpty(word)) return;
-        final char firstChar = word.charAt(0); // we just tested that word is not empty
-        if (word.length() == 1 && !Character.isLetter(firstChar)) return;
-
-        // We only suggest on words that start with a letter or a symbol that is excluded from
-        // word separators (see #handleCharacterWhileInBatchEdit).
-        if (!(isAlphabet(firstChar)
-                || mSettingsValues.isSymbolExcludedFromWordSeparators(firstChar))) {
-            return;
+    private void restartSuggestionsOnWordBeforeCursorIfAtEndOfWord() {
+        final CharSequence word = mConnection.getWordBeforeCursorIfAtEndOfWord(mCurrentSettings);
+        if (null != word) {
+            restartSuggestionsOnWordBeforeCursor(word);
         }
-
-        // Okay, we are at the end of a word. Restart suggestions.
-        restartSuggestionsOnWordBeforeCursor(ic, word);
     }
 
-    // "ic" must not be null
-    private void restartSuggestionsOnWordBeforeCursor(final InputConnection ic,
-            final CharSequence word) {
+    private void restartSuggestionsOnWordBeforeCursor(final CharSequence word) {
         mWordComposer.setComposingWord(word, mKeyboardSwitcher.getKeyboard());
         final int length = word.length();
-        ic.deleteSurroundingText(length, 0);
+        mConnection.deleteSurroundingText(length, 0);
         if (ProductionFlag.IS_EXPERIMENTAL) {
             ResearchLogger.latinIME_deleteSurroundingText(length);
         }
-        ic.setComposingText(word, 1);
+        mConnection.setComposingText(word, 1);
         mHandler.postUpdateSuggestions();
     }
 
-    // "ic" must not be null
-    private void revertCommit(final InputConnection ic) {
+    private void revertCommit() {
         final CharSequence previousWord = mLastComposedWord.mPrevWord;
         final String originallyTypedWord = mLastComposedWord.mTypedWord;
         final CharSequence committedWord = mLastComposedWord.mCommittedWord;
@@ -2200,7 +2023,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 throw new RuntimeException("revertCommit, but we are composing a word");
             }
             final String wordBeforeCursor =
-                    ic.getTextBeforeCursor(deleteLength, 0)
+                    mConnection.getTextBeforeCursor(deleteLength, 0)
                             .subSequence(0, cancelLength).toString();
             if (!TextUtils.equals(committedWord, wordBeforeCursor)) {
                 throw new RuntimeException("revertCommit check failed: we thought we were "
@@ -2208,7 +2031,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                         + "\", but before the cursor we found \"" + wordBeforeCursor + "\"");
             }
         }
-        ic.deleteSurroundingText(deleteLength, 0);
+        mConnection.deleteSurroundingText(deleteLength, 0);
         if (ProductionFlag.IS_EXPERIMENTAL) {
             ResearchLogger.latinIME_deleteSurroundingText(deleteLength);
         }
@@ -2220,9 +2043,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             // This is the case when we cancel a manual pick.
             // We should restart suggestion on the word right away.
             mWordComposer.resumeSuggestionOnLastComposedWord(mLastComposedWord);
-            ic.setComposingText(originallyTypedWord, 1);
+            mConnection.setComposingText(originallyTypedWord, 1);
         } else {
-            ic.commitText(originallyTypedWord, 1);
+            mConnection.commitText(originallyTypedWord, 1);
             // Re-insert the separator
             sendKeyCodePoint(mLastComposedWord.mSeparatorCode);
             Utils.Stats.onSeparator(mLastComposedWord.mSeparatorCode, WordComposer.NOT_A_COORDINATE,
@@ -2238,61 +2061,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mHandler.postUpdateSuggestions();
     }
 
-    // "ic" must not be null
-    private boolean revertDoubleSpaceWhileInBatchEdit(final InputConnection ic) {
-        mHandler.cancelDoubleSpacesTimer();
-        // Here we test whether we indeed have a period and a space before us. This should not
-        // be needed, but it's there just in case something went wrong.
-        final CharSequence textBeforeCursor = ic.getTextBeforeCursor(2, 0);
-        if (!". ".equals(textBeforeCursor)) {
-            // Theoretically we should not be coming here if there isn't ". " before the
-            // cursor, but the application may be changing the text while we are typing, so
-            // anything goes. We should not crash.
-            Log.d(TAG, "Tried to revert double-space combo but we didn't find "
-                    + "\". \" just before the cursor.");
-            return false;
-        }
-        ic.deleteSurroundingText(2, 0);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_deleteSurroundingText(2);
-        }
-        ic.commitText("  ", 1);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_revertDoubleSpaceWhileInBatchEdit();
-        }
-        return true;
-    }
-
-    private static boolean revertSwapPunctuation(final InputConnection ic) {
-        // Here we test whether we indeed have a space and something else before us. This should not
-        // be needed, but it's there just in case something went wrong.
-        final CharSequence textBeforeCursor = ic.getTextBeforeCursor(2, 0);
-        // NOTE: This does not work with surrogate pairs. Hopefully when the keyboard is able to
-        // enter surrogate pairs this code will have been removed.
-        if (TextUtils.isEmpty(textBeforeCursor)
-                || (Keyboard.CODE_SPACE != textBeforeCursor.charAt(1))) {
-            // We may only come here if the application is changing the text while we are typing.
-            // This is quite a broken case, but not logically impossible, so we shouldn't crash,
-            // but some debugging log may be in order.
-            Log.d(TAG, "Tried to revert a swap of punctuation but we didn't "
-                    + "find a space just before the cursor.");
-            return false;
-        }
-        ic.beginBatchEdit();
-        ic.deleteSurroundingText(2, 0);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_deleteSurroundingText(2);
-        }
-        ic.commitText(" " + textBeforeCursor.subSequence(0, 1), 1);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_revertSwapPunctuation();
-        }
-        ic.endBatchEdit();
-        return true;
-    }
-
     public boolean isWordSeparator(int code) {
-        return mSettingsValues.isWordSeparator(code);
+        return mCurrentSettings.isWordSeparator(code);
     }
 
     public boolean preferCapitalization() {
@@ -2306,15 +2076,14 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // onConfigurationChanged before SoftInputWindow is shown.
         if (mKeyboardSwitcher.getKeyboardView() != null) {
             // Reload keyboard because the current language has been changed.
-            mKeyboardSwitcher.loadKeyboard(getCurrentInputEditorInfo(), mSettingsValues);
+            mKeyboardSwitcher.loadKeyboard(getCurrentInputEditorInfo(), mCurrentSettings);
         }
         initSuggest();
-        updateCorrectionMode();
         loadSettings();
         // Since we just changed languages, we should re-evaluate suggestions with whatever word
         // we are currently composing. If we are not composing anything, we may want to display
         // predictions or punctuation signs (which is done by updateBigramPredictions anyway).
-        if (isCursorTouchingWord()) {
+        if (mConnection.isCursorTouchingWord(mCurrentSettings)) {
             mHandler.postUpdateSuggestions();
         } else {
             mHandler.postUpdateBigramPredictions();
@@ -2352,12 +2121,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             // This is a stopgap solution to avoid leaving a high surrogate alone in a text view.
             // In the future, we need to deprecate deteleSurroundingText() and have a surrogate
             // pair-friendly way of deleting characters in InputConnection.
-            final InputConnection ic = getCurrentInputConnection();
-            if (null != ic) {
-                final CharSequence lastChar = ic.getTextBeforeCursor(1, 0);
-                if (!TextUtils.isEmpty(lastChar) && Character.isHighSurrogate(lastChar.charAt(0))) {
-                    ic.deleteSurroundingText(1, 0);
-                }
+            final CharSequence lastChar = mConnection.getTextBeforeCursor(1, 0);
+            if (!TextUtils.isEmpty(lastChar) && Character.isHighSurrogate(lastChar.charAt(0))) {
+                mConnection.deleteSurroundingText(1, 0);
             }
         }
     }
@@ -2375,25 +2141,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         }
     };
 
-    private void updateCorrectionMode() {
-        // TODO: cleanup messy flags
-        final boolean shouldAutoCorrect = mSettingsValues.mAutoCorrectEnabled
-                && !mInputAttributes.mInputTypeNoAutoCorrect;
-        mCorrectionMode = shouldAutoCorrect ? Suggest.CORRECTION_FULL : Suggest.CORRECTION_NONE;
-        mCorrectionMode = (mSettingsValues.mBigramSuggestionEnabled && shouldAutoCorrect)
-                ? Suggest.CORRECTION_FULL_BIGRAM : mCorrectionMode;
-    }
-
-    private void updateSuggestionVisibility(final Resources res) {
-        final String suggestionVisiblityStr = mSettingsValues.mShowSuggestionsSetting;
-        for (int visibility : SUGGESTION_VISIBILITY_VALUE_ARRAY) {
-            if (suggestionVisiblityStr.equals(res.getString(visibility))) {
-                mSuggestionVisibility = visibility;
-                break;
-            }
-        }
-    }
-
     private void launchSettings() {
         launchSettingsClass(SettingsActivity.class);
     }
@@ -2440,10 +2187,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         final AlertDialog.Builder builder = new AlertDialog.Builder(this)
                 .setItems(items, listener)
                 .setTitle(title);
-        showOptionDialogInternal(builder.create());
+        showOptionDialog(builder.create());
     }
 
-    private void showOptionDialogInternal(AlertDialog dialog) {
+    /* package */ void showOptionDialog(AlertDialog dialog) {
         final IBinder windowToken = mKeyboardSwitcher.getKeyboardView().getWindowToken();
         if (windowToken == null) return;
 
@@ -2470,13 +2217,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         final Keyboard keyboard = mKeyboardSwitcher.getKeyboard();
         final int keyboardMode = keyboard != null ? keyboard.mId.mMode : -1;
         p.println("  Keyboard mode = " + keyboardMode);
-        p.println("  mIsSuggestionsRequested=" + mInputAttributes.mIsSettingsSuggestionStripOn);
-        p.println("  mCorrectionMode=" + mCorrectionMode);
+        p.println("  mIsSuggestionsSuggestionsRequested = "
+                + mCurrentSettings.isSuggestionsRequested(mDisplayOrientation));
+        p.println("  mCorrectionEnabled=" + mCurrentSettings.mCorrectionEnabled);
         p.println("  isComposingWord=" + mWordComposer.isComposingWord());
-        p.println("  mAutoCorrectEnabled=" + mSettingsValues.mAutoCorrectEnabled);
-        p.println("  mSoundOn=" + mSettingsValues.mSoundOn);
-        p.println("  mVibrateOn=" + mSettingsValues.mVibrateOn);
-        p.println("  mKeyPreviewPopupOn=" + mSettingsValues.mKeyPreviewPopupOn);
-        p.println("  mInputAttributes=" + mInputAttributes.toString());
+        p.println("  mSoundOn=" + mCurrentSettings.mSoundOn);
+        p.println("  mVibrateOn=" + mCurrentSettings.mVibrateOn);
+        p.println("  mKeyPreviewPopupOn=" + mCurrentSettings.mKeyPreviewPopupOn);
+        p.println("  inputAttributes=" + mCurrentSettings.getInputAttributesDebugString());
     }
 }
diff --git a/java/src/com/android/inputmethod/latin/LatinImeLogger.java b/java/src/com/android/inputmethod/latin/LatinImeLogger.java
index dc0868e7c..e843848bc 100644
--- a/java/src/com/android/inputmethod/latin/LatinImeLogger.java
+++ b/java/src/com/android/inputmethod/latin/LatinImeLogger.java
@@ -71,7 +71,7 @@ public class LatinImeLogger implements SharedPreferences.OnSharedPreferenceChang
     public static void onStartSuggestion(CharSequence previousWords) {
     }
 
-    public static void onAddSuggestedWord(String word, int typeId, int dataType) {
+    public static void onAddSuggestedWord(String word, String sourceDictionaryId) {
     }
 
     public static void onSetKeyboard(Keyboard kb) {
diff --git a/java/src/com/android/inputmethod/latin/NativeUtils.java b/java/src/com/android/inputmethod/latin/NativeUtils.java
new file mode 100644
index 000000000..9cc2bc02e
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/NativeUtils.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin;
+
+public class NativeUtils {
+    static {
+        JniUtils.loadNativeLibrary();
+    }
+
+    private NativeUtils() {
+        // This utility class is not publicly instantiable.
+    }
+
+    /**
+     * This method just calls up libm's powf() directly.
+     */
+    public static native float powf(float x, float y);
+}
diff --git a/java/src/com/android/inputmethod/latin/ResearchLogger.java b/java/src/com/android/inputmethod/latin/ResearchLogger.java
index 66d6d58b1..79e1d376c 100644
--- a/java/src/com/android/inputmethod/latin/ResearchLogger.java
+++ b/java/src/com/android/inputmethod/latin/ResearchLogger.java
@@ -16,37 +16,47 @@
 
 package com.android.inputmethod.latin;
 
+import static com.android.inputmethod.latin.Constants.Subtype.ExtraValue.KEYBOARD_LAYOUT_SET;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
 import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
 import android.inputmethodservice.InputMethodService;
 import android.os.Build;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Process;
 import android.os.SystemClock;
-import android.preference.PreferenceManager;
 import android.text.TextUtils;
+import android.util.JsonWriter;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.inputmethod.CompletionInfo;
 import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+import android.widget.Toast;
 
 import com.android.inputmethod.keyboard.Key;
-import com.android.inputmethod.keyboard.KeyDetector;
 import com.android.inputmethod.keyboard.Keyboard;
-import com.android.inputmethod.keyboard.internal.KeyboardState;
+import com.android.inputmethod.keyboard.KeyboardId;
+import com.android.inputmethod.latin.RichInputConnection.Range;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.define.ProductionFlag;
 
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileWriter;
 import java.io.IOException;
-import java.io.PrintWriter;
-import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
-import java.nio.channels.FileChannel;
-import java.nio.charset.Charset;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
 import java.util.Map;
+import java.util.UUID;
 
 /**
  * Logs the use of the LatinIME keyboard.
@@ -58,700 +68,1024 @@ import java.util.Map;
  */
 public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChangeListener {
     private static final String TAG = ResearchLogger.class.getSimpleName();
-    private static final String PREF_USABILITY_STUDY_MODE = "usability_study_mode";
     private static final boolean DEBUG = false;
+    private static final boolean OUTPUT_ENTIRE_BUFFER = false;  // true may disclose private info
+    /* package */ static boolean sIsLogging = false;
+    private static final int OUTPUT_FORMAT_VERSION = 1;
+    private static final String PREF_USABILITY_STUDY_MODE = "usability_study_mode";
+    private static final String FILENAME_PREFIX = "researchLog";
+    private static final String FILENAME_SUFFIX = ".txt";
+    private static final JsonWriter NULL_JSON_WRITER = new JsonWriter(
+            new OutputStreamWriter(new NullOutputStream()));
+    private static final SimpleDateFormat TIMESTAMP_DATEFORMAT =
+            new SimpleDateFormat("yyyyMMddHHmmss", Locale.US);
+
+    // constants related to specific log points
+    private static final String WHITESPACE_SEPARATORS = " \t\n\r";
+    private static final int MAX_INPUTVIEW_LENGTH_TO_CAPTURE = 8192; // must be >=1
+    private static final String PREF_RESEARCH_LOGGER_UUID_STRING = "pref_research_logger_uuid";
+
+    private static final ResearchLogger sInstance = new ResearchLogger();
+    private HandlerThread mHandlerThread;
+    /* package */ Handler mLoggingHandler;
+    // to write to a different filename, e.g., for testing, set mFile before calling start()
+    private File mFilesDir;
+    /* package */ File mFile;
+    private JsonWriter mJsonWriter = NULL_JSON_WRITER; // should never be null
+
+    private int mLoggingState;
+    private static final int LOGGING_STATE_OFF = 0;
+    private static final int LOGGING_STATE_ON = 1;
+    private static final int LOGGING_STATE_STOPPING = 2;
+    private boolean mIsPasswordView = false;
+
+    // digits entered by the user are replaced with this codepoint.
+    /* package for test */ static final int DIGIT_REPLACEMENT_CODEPOINT =
+            Character.codePointAt("\uE000", 0);  // U+E000 is in the "private-use area"
+    // U+E001 is in the "private-use area"
+    /* package for test */ static final String WORD_REPLACEMENT_STRING = "\uE001";
+    // set when LatinIME should ignore an onUpdateSelection() callback that
+    // arises from operations in this class
+    private static boolean sLatinIMEExpectingUpdateSelection = false;
+
+    // used to check whether words are not unique
+    private Suggest mSuggest;
+    private Dictionary mDictionary;
+
+    private static class NullOutputStream extends OutputStream {
+        /** {@inheritDoc} */
+        @Override
+        public void write(byte[] buffer, int offset, int count) {
+            // nop
+        }
 
-    private static final ResearchLogger sInstance = new ResearchLogger(new LogFileManager());
-    public static boolean sIsLogging = false;
-    /* package */ final Handler mLoggingHandler;
-    private InputMethodService mIms;
-
-    /**
-     * Isolates management of files. This variable should never be null, but can be changed
-     * to support testing.
-     */
-    /* package */ LogFileManager mLogFileManager;
-
-    /**
-     * Manages the file(s) that stores the logs.
-     *
-     * Handles creation, deletion, and provides Readers, Writers, and InputStreams to access
-     * the logs.
-     */
-    /* package */ static class LogFileManager {
-        public static final String RESEARCH_LOG_FILENAME_KEY = "RESEARCH_LOG_FILENAME";
+        /** {@inheritDoc} */
+        @Override
+        public void write(byte[] buffer) {
+            // nop
+        }
 
-        private static final String DEFAULT_FILENAME = "researchLog.txt";
-        private static final long LOGFILE_PURGE_INTERVAL = 1000 * 60 * 60 * 24;
+        @Override
+        public void write(int oneByte) {
+        }
+    }
 
-        protected InputMethodService mIms;
-        protected File mFile;
-        protected PrintWriter mPrintWriter;
+    private ResearchLogger() {
+        mLoggingState = LOGGING_STATE_OFF;
+    }
 
-        /* package */ LogFileManager() {
-        }
+    public static ResearchLogger getInstance() {
+        return sInstance;
+    }
 
-        public void init(final InputMethodService ims) {
-            mIms = ims;
+    public void init(final InputMethodService ims, final SharedPreferences prefs) {
+        assert ims != null;
+        if (ims == null) {
+            Log.w(TAG, "IMS is null; logging is off");
+        } else {
+            mFilesDir = ims.getFilesDir();
+            if (mFilesDir == null || !mFilesDir.exists()) {
+                Log.w(TAG, "IME storage directory does not exist.");
+            }
         }
-
-        public synchronized void createLogFile() throws IOException {
-            createLogFile(DEFAULT_FILENAME);
+        if (prefs != null) {
+            sIsLogging = prefs.getBoolean(PREF_USABILITY_STUDY_MODE, false);
+            prefs.registerOnSharedPreferenceChangeListener(this);
         }
+    }
 
-        public synchronized void createLogFile(final SharedPreferences prefs)
-                throws IOException {
-            final String filename =
-                    prefs.getString(RESEARCH_LOG_FILENAME_KEY, DEFAULT_FILENAME);
-            createLogFile(filename);
+    public synchronized void start() {
+        Log.d(TAG, "start called");
+        if (!sIsLogging) {
+            // Log.w(TAG, "not in usability mode; not logging");
+            return;
         }
-
-        public synchronized void createLogFile(final String filename)
-                throws IOException {
-            if (mIms == null) {
-                final String msg = "InputMethodService is not configured.  Logging is off.";
-                Log.w(TAG, msg);
-                throw new IOException(msg);
+        if (mFilesDir == null || !mFilesDir.exists()) {
+            Log.w(TAG, "IME storage directory does not exist.  Cannot start logging.");
+        } else {
+            if (mHandlerThread == null || !mHandlerThread.isAlive()) {
+                mHandlerThread = new HandlerThread("ResearchLogger logging task",
+                        Process.THREAD_PRIORITY_BACKGROUND);
+                mHandlerThread.start();
+                mLoggingHandler = null;
+                mLoggingState = LOGGING_STATE_OFF;
             }
-            final File filesDir = mIms.getFilesDir();
-            if (filesDir == null || !filesDir.exists()) {
-                final String msg = "Storage directory does not exist.  Logging is off.";
-                Log.w(TAG, msg);
-                throw new IOException(msg);
+            if (mLoggingHandler == null) {
+                mLoggingHandler = new Handler(mHandlerThread.getLooper());
+                mLoggingState = LOGGING_STATE_OFF;
             }
-            close();
-            final File file = new File(filesDir, filename);
-            mFile = file;
-            boolean append = true;
-            if (file.exists() && file.lastModified() + LOGFILE_PURGE_INTERVAL <
-                    System.currentTimeMillis()) {
-                append = false;
+            if (mFile == null) {
+                final String timestampString = TIMESTAMP_DATEFORMAT.format(new Date());
+                mFile = new File(mFilesDir, FILENAME_PREFIX + timestampString + FILENAME_SUFFIX);
             }
-            mPrintWriter = new PrintWriter(new BufferedWriter(new FileWriter(file, append)), true);
-        }
-
-        public synchronized boolean append(final String s) {
-            PrintWriter printWriter = mPrintWriter;
-            if (printWriter == null || !mFile.exists()) {
-                if (DEBUG) {
-                    Log.w(TAG, "PrintWriter is null... attempting to create default log file");
-                }
+            if (mLoggingState == LOGGING_STATE_OFF) {
                 try {
-                    createLogFile();
-                    printWriter = mPrintWriter;
+                    mJsonWriter = new JsonWriter(new BufferedWriter(new FileWriter(mFile)));
+                    mJsonWriter.setLenient(true);
+                    mJsonWriter.beginArray();
+                    mLoggingState = LOGGING_STATE_ON;
                 } catch (IOException e) {
-                    Log.w(TAG, "Failed to create log file.  Not logging.");
-                    return false;
+                    Log.w(TAG, "cannot start JsonWriter");
+                    mJsonWriter = NULL_JSON_WRITER;
+                    e.printStackTrace();
                 }
             }
-            printWriter.print(s);
-            printWriter.flush();
-            return !printWriter.checkError();
         }
+    }
 
-        public synchronized void reset() {
-            if (mPrintWriter != null) {
-                mPrintWriter.close();
-                mPrintWriter = null;
-                if (DEBUG) {
-                    Log.d(TAG, "logfile closed");
-                }
-            }
-            if (mFile != null) {
-                mFile.delete();
-                if (DEBUG) {
-                    Log.d(TAG, "logfile deleted");
+    public synchronized void stop() {
+        Log.d(TAG, "stop called");
+        if (mLoggingHandler != null && mLoggingState == LOGGING_STATE_ON) {
+            mLoggingState = LOGGING_STATE_STOPPING;
+            flushEventQueue(true);
+            // put this in the Handler queue so pending writes are processed first.
+            mLoggingHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    try {
+                        Log.d(TAG, "closing jsonwriter");
+                        mJsonWriter.endArray();
+                        mJsonWriter.flush();
+                        mJsonWriter.close();
+                    } catch (IllegalStateException e1) {
+                        // assume that this is just the json not being terminated properly.
+                        // ignore
+                        e1.printStackTrace();
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    } finally {
+                        mJsonWriter = NULL_JSON_WRITER;
+                        mFile = null;
+                        mLoggingState = LOGGING_STATE_OFF;
+                        if (DEBUG) {
+                            Log.d(TAG, "logfile closed");
+                        }
+                        Log.d(TAG, "finished stop(), notifying");
+                        synchronized (ResearchLogger.this) {
+                            ResearchLogger.this.notify();
+                        }
+                    }
                 }
-                mFile = null;
+            });
+            try {
+                wait();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
             }
         }
+    }
 
-        public synchronized void close() {
-            if (mPrintWriter != null) {
-                mPrintWriter.close();
-                mPrintWriter = null;
+    public synchronized boolean abort() {
+        Log.d(TAG, "abort called");
+        boolean isLogFileDeleted = false;
+        if (mLoggingHandler != null && mLoggingState == LOGGING_STATE_ON) {
+            mLoggingState = LOGGING_STATE_STOPPING;
+            try {
+                Log.d(TAG, "closing jsonwriter");
+                mJsonWriter.endArray();
+                mJsonWriter.close();
+            } catch (IllegalStateException e1) {
+                // assume that this is just the json not being terminated properly.
+                // ignore
+                e1.printStackTrace();
+            } catch (IOException e) {
+                e.printStackTrace();
+            } finally {
+                mJsonWriter = NULL_JSON_WRITER;
+                // delete file
+                final boolean isDeleted = mFile.delete();
+                if (isDeleted) {
+                    isLogFileDeleted = true;
+                }
                 mFile = null;
+                mLoggingState = LOGGING_STATE_OFF;
                 if (DEBUG) {
                     Log.d(TAG, "logfile closed");
                 }
             }
         }
+        return isLogFileDeleted;
+    }
+
+    /* package */ synchronized void flush() {
+        try {
+            mJsonWriter.flush();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
 
-        /* package */ synchronized void flush() {
-            if (mPrintWriter != null) {
-                mPrintWriter.flush();
-            }
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
+        if (key == null || prefs == null) {
+            return;
+        }
+        sIsLogging = prefs.getBoolean(PREF_USABILITY_STUDY_MODE, false);
+        if (sIsLogging == false) {
+            abort();
         }
+    }
 
-        /* package */ synchronized String getContents() {
-            final File file = mFile;
-            if (file == null) {
-                return "";
-            }
-            if (mPrintWriter != null) {
-                mPrintWriter.flush();
-            }
-            FileInputStream stream = null;
-            FileChannel fileChannel = null;
-            String s = "";
-            try {
-                stream = new FileInputStream(file);
-                fileChannel = stream.getChannel();
-                final ByteBuffer byteBuffer = ByteBuffer.allocate((int) file.length());
-                fileChannel.read(byteBuffer);
-                byteBuffer.rewind();
-                CharBuffer charBuffer = Charset.defaultCharset().decode(byteBuffer);
-                s = charBuffer.toString();
-            } catch (IOException e) {
-                e.printStackTrace();
-            } finally {
-                try {
-                    if (fileChannel != null) {
-                        fileChannel.close();
-                    }
-                } catch (IOException e) {
-                    e.printStackTrace();
-                } finally {
-                    try {
-                        if (stream != null) {
-                            stream.close();
+    /* package */ void presentResearchDialog(final LatinIME latinIME) {
+        final CharSequence title = latinIME.getString(R.string.english_ime_research_log);
+        final CharSequence[] items = new CharSequence[] {
+                latinIME.getString(R.string.note_timestamp_for_researchlog),
+                latinIME.getString(R.string.do_not_log_this_session),
+        };
+        final DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface di, int position) {
+                di.dismiss();
+                switch (position) {
+                    case 0:
+                        ResearchLogger.getInstance().userTimestamp();
+                        Toast.makeText(latinIME, R.string.notify_recorded_timestamp,
+                                Toast.LENGTH_LONG).show();
+                        break;
+                    case 1:
+                        Toast toast = Toast.makeText(latinIME,
+                                R.string.notify_session_log_deleting, Toast.LENGTH_LONG);
+                        toast.show();
+                        final ResearchLogger logger = ResearchLogger.getInstance();
+                        boolean isLogDeleted = logger.abort();
+                        toast.cancel();
+                        if (isLogDeleted) {
+                            Toast.makeText(latinIME, R.string.notify_session_log_deleted,
+                                    Toast.LENGTH_LONG).show();
+                        } else {
+                            Toast.makeText(latinIME,
+                                    R.string.notify_session_log_not_deleted, Toast.LENGTH_LONG)
+                                    .show();
                         }
-                    } catch (IOException e) {
-                        e.printStackTrace();
-                    }
+                        break;
                 }
             }
-            return s;
-        }
+        };
+        final AlertDialog.Builder builder = new AlertDialog.Builder(latinIME)
+                .setItems(items, listener)
+                .setTitle(title);
+        latinIME.showOptionDialog(builder.create());
     }
 
-    private ResearchLogger(final LogFileManager logFileManager) {
-        final HandlerThread handlerThread = new HandlerThread("ResearchLogger logging task",
-                Process.THREAD_PRIORITY_BACKGROUND);
-        handlerThread.start();
-        mLoggingHandler = new Handler(handlerThread.getLooper());
-        mLogFileManager = logFileManager;
+    public void initSuggest(Suggest suggest) {
+        mSuggest = suggest;
     }
 
-    public static ResearchLogger getInstance() {
-        return sInstance;
+    private void setIsPasswordView(boolean isPasswordView) {
+        mIsPasswordView = isPasswordView;
     }
 
-    public static void init(final InputMethodService ims, final SharedPreferences prefs) {
-        sInstance.initInternal(ims, prefs);
+    private boolean isAllowedToLog() {
+        return mLoggingState == LOGGING_STATE_ON && !mIsPasswordView;
     }
 
-    /* package */ void initInternal(final InputMethodService ims, final SharedPreferences prefs) {
-        mIms = ims;
-        final LogFileManager logFileManager = mLogFileManager;
-        if (logFileManager != null) {
-            logFileManager.init(ims);
-            try {
-                logFileManager.createLogFile(prefs);
-            } catch (IOException e) {
-                e.printStackTrace();
+    private static final String CURRENT_TIME_KEY = "_ct";
+    private static final String UPTIME_KEY = "_ut";
+    private static final String EVENT_TYPE_KEY = "_ty";
+    private static final Object[] EVENTKEYS_NULLVALUES = {};
+
+    private LogUnit mCurrentLogUnit = new LogUnit();
+
+    /**
+     * Buffer a research log event, flagging it as privacy-sensitive.
+     *
+     * This event contains potentially private information.  If the word that this event is a part
+     * of is determined to be privacy-sensitive, then this event should not be included in the
+     * output log.  The system waits to output until the containing word is known.
+     *
+     * @param keys an array containing a descriptive name for the event, followed by the keys
+     * @param values an array of values, either a String or Number.  length should be one
+     * less than the keys array
+     */
+    private synchronized void enqueuePotentiallyPrivateEvent(final String[] keys,
+            final Object[] values) {
+        assert values.length + 1 == keys.length;
+        mCurrentLogUnit.addLogAtom(keys, values, true);
+    }
+
+    /**
+     * Buffer a research log event, flaggint it as not privacy-sensitive.
+     *
+     * This event contains no potentially private information.  Even if the word that this event
+     * is privacy-sensitive, this event can still safely be sent to the output log.  The system
+     * waits until the containing word is known so that this event can be written in the proper
+     * temporal order with other events that may be privacy sensitive.
+     *
+     * @param keys an array containing a descriptive name for the event, followed by the keys
+     * @param values an array of values, either a String or Number.  length should be one
+     * less than the keys array
+     */
+    private synchronized void enqueueEvent(final String[] keys, final Object[] values) {
+        assert values.length + 1 == keys.length;
+        mCurrentLogUnit.addLogAtom(keys, values, false);
+    }
+
+    // Used to track how often words are logged.  Too-frequent logging can leak
+    // semantics, disclosing private data.
+    /* package for test */ static class LoggingFrequencyState {
+        private static final int DEFAULT_WORD_LOG_FREQUENCY = 10;
+        private int mWordsRemainingToSkip;
+        private final int mFrequency;
+
+        /**
+         * Tracks how often words may be uploaded.
+         *
+         * @param frequency 1=Every word, 2=Every other word, etc.
+         */
+        public LoggingFrequencyState(int frequency) {
+            mFrequency = frequency;
+            mWordsRemainingToSkip = mFrequency;
+        }
+
+        public void onWordLogged() {
+            mWordsRemainingToSkip = mFrequency;
+        }
+
+        public void onWordNotLogged() {
+            if (mWordsRemainingToSkip > 1) {
+                mWordsRemainingToSkip--;
             }
         }
-        if (prefs != null) {
-            sIsLogging = prefs.getBoolean(PREF_USABILITY_STUDY_MODE, false);
-            prefs.registerOnSharedPreferenceChangeListener(this);
+
+        public boolean isSafeToLog() {
+            return mWordsRemainingToSkip <= 1;
+        }
+    }
+
+    /* package for test */ LoggingFrequencyState mLoggingFrequencyState =
+            new LoggingFrequencyState(LoggingFrequencyState.DEFAULT_WORD_LOG_FREQUENCY);
+
+    /* package for test */ boolean isPrivacyThreat(String word) {
+        // Current checks:
+        // - Word not in dictionary
+        // - Word contains numbers
+        // - Privacy-safe word not logged recently
+        if (TextUtils.isEmpty(word)) {
+            return false;
+        }
+        if (!mLoggingFrequencyState.isSafeToLog()) {
+            return true;
+        }
+        final int length = word.length();
+        boolean hasLetter = false;
+        for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) {
+            final int codePoint = Character.codePointAt(word, i);
+            if (Character.isDigit(codePoint)) {
+                return true;
+            }
+            if (Character.isLetter(codePoint)) {
+                hasLetter = true;
+                break; // Word may contain digits, but will only be allowed if in the dictionary.
+            }
+        }
+        if (hasLetter) {
+            if (mDictionary == null && mSuggest != null && mSuggest.hasMainDictionary()) {
+                mDictionary = mSuggest.getMainDictionary();
+            }
+            if (mDictionary == null) {
+                // Can't access dictionary.  Assume privacy threat.
+                return true;
+            }
+            return !(mDictionary.isValidWord(word));
+        }
+        // No letters, no numbers.  Punctuation, space, or something else.
+        return false;
+    }
+
+    private void onWordComplete(String word) {
+        final boolean isPrivacyThreat = isPrivacyThreat(word);
+        flushEventQueue(isPrivacyThreat);
+        if (isPrivacyThreat) {
+            mLoggingFrequencyState.onWordNotLogged();
+        } else {
+            mLoggingFrequencyState.onWordLogged();
         }
     }
 
     /**
-     * Represents a category of logging events that share the same subfield structure.
+     * Write out enqueued LogEvents to the log, possibly dropping privacy sensitive events.
      */
-    private static enum LogGroup {
-        MOTION_EVENT("m"),
-        KEY("k"),
-        CORRECTION("c"),
-        STATE_CHANGE("s"),
-        UNSTRUCTURED("u");
-
-        private final String mLogString;
-
-        private LogGroup(final String logString) {
-            mLogString = logString;
-        }
-    }
-
-    public void logMotionEvent(final int action, final long eventTime, final int id,
-            final int x, final int y, final float size, final float pressure) {
-        final String eventTag;
-        switch (action) {
-            case MotionEvent.ACTION_CANCEL: eventTag = "[Cancel]"; break;
-            case MotionEvent.ACTION_UP: eventTag = "[Up]"; break;
-            case MotionEvent.ACTION_DOWN: eventTag = "[Down]"; break;
-            case MotionEvent.ACTION_POINTER_UP: eventTag = "[PointerUp]"; break;
-            case MotionEvent.ACTION_POINTER_DOWN: eventTag = "[PointerDown]"; break;
-            case MotionEvent.ACTION_MOVE: eventTag = "[Move]"; break;
-            case MotionEvent.ACTION_OUTSIDE: eventTag = "[Outside]"; break;
-            default: eventTag = "[Action" + action + "]"; break;
-        }
-        if (!TextUtils.isEmpty(eventTag)) {
-            final StringBuilder sb = new StringBuilder();
-            sb.append(eventTag);
-            sb.append('\t'); sb.append(eventTime);
-            sb.append('\t'); sb.append(id);
-            sb.append('\t'); sb.append(x);
-            sb.append('\t'); sb.append(y);
-            sb.append('\t'); sb.append(size);
-            sb.append('\t'); sb.append(pressure);
-            write(LogGroup.MOTION_EVENT, sb.toString());
-        }
-    }
-
-    public void logKeyEvent(final int code, final int x, final int y) {
-        final StringBuilder sb = new StringBuilder();
-        sb.append(Keyboard.printableCode(code));
-        sb.append('\t'); sb.append(x);
-        sb.append('\t'); sb.append(y);
-        write(LogGroup.KEY, sb.toString());
-    }
-
-    public void logCorrection(final String subgroup, final String before, final String after,
-            final int position) {
-        final StringBuilder sb = new StringBuilder();
-        sb.append(subgroup);
-        sb.append('\t'); sb.append(before);
-        sb.append('\t'); sb.append(after);
-        sb.append('\t'); sb.append(position);
-        write(LogGroup.CORRECTION, sb.toString());
-    }
-
-    public void logStateChange(final String subgroup, final String details) {
-        write(LogGroup.STATE_CHANGE, subgroup + "\t" + details);
-    }
-
-    public static class UnsLogGroup {
-        private static final boolean DEFAULT_ENABLED = true;
-
-        private static final boolean KEYBOARDSTATE_ONCANCELINPUT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean KEYBOARDSTATE_ONCODEINPUT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean KEYBOARDSTATE_ONLONGPRESSTIMEOUT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean KEYBOARDSTATE_ONPRESSKEY_ENABLED = DEFAULT_ENABLED;
-        private static final boolean KEYBOARDSTATE_ONRELEASEKEY_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_COMMITCURRENTAUTOCORRECTION_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_COMMITTEXT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_DELETESURROUNDINGTEXT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_DOUBLESPACEAUTOPERIOD_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_ONDISPLAYCOMPLETIONS_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_ONSTARTINPUTVIEWINTERNAL_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_ONUPDATESELECTION_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_PERFORMEDITORACTION_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_PICKAPPLICATIONSPECIFIEDCOMPLETION_ENABLED
-                = DEFAULT_ENABLED;
-        private static final boolean LATINIME_PICKPUNCTUATIONSUGGESTION_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_PICKSUGGESTIONMANUALLY_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_REVERTCOMMIT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_REVERTDOUBLESPACEWHILEINBATCHEDIT_ENABLED
-                = DEFAULT_ENABLED;
-        private static final boolean LATINIME_REVERTSWAPPUNCTUATION_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_SENDKEYCODEPOINT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINIME_SWAPSWAPPERANDSPACEWHILEINBATCHEDIT_ENABLED
-                = DEFAULT_ENABLED;
-        private static final boolean LATINIME_SWITCHTOKEYBOARDVIEW_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINKEYBOARDVIEW_ONLONGPRESS_ENABLED = DEFAULT_ENABLED;
-        private static final boolean LATINKEYBOARDVIEW_ONPROCESSMOTIONEVENT_ENABLED
-                = DEFAULT_ENABLED;
-        private static final boolean LATINKEYBOARDVIEW_SETKEYBOARD_ENABLED = DEFAULT_ENABLED;
-        private static final boolean POINTERTRACKER_CALLLISTENERONCANCELINPUT_ENABLED
-                = DEFAULT_ENABLED;
-        private static final boolean POINTERTRACKER_CALLLISTENERONCODEINPUT_ENABLED
-                = DEFAULT_ENABLED;
-        private static final boolean
-                POINTERTRACKER_CALLLISTENERONPRESSANDCHECKKEYBOARDLAYOUTCHANGE_ENABLED
-                = DEFAULT_ENABLED;
-        private static final boolean POINTERTRACKER_CALLLISTENERONRELEASE_ENABLED = DEFAULT_ENABLED;
-        private static final boolean POINTERTRACKER_ONDOWNEVENT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean POINTERTRACKER_ONMOVEEVENT_ENABLED = DEFAULT_ENABLED;
-        private static final boolean SUDDENJUMPINGTOUCHEVENTHANDLER_ONTOUCHEVENT_ENABLED
-                = DEFAULT_ENABLED;
-        private static final boolean SUGGESTIONSVIEW_SETSUGGESTIONS_ENABLED = DEFAULT_ENABLED;
-    }
-
-    public static void logUnstructured(String logGroup, final String details) {
-        // TODO: improve performance by making entire class static and/or implementing natively
-        getInstance().write(LogGroup.UNSTRUCTURED, logGroup + "\t" + details);
-    }
-
-    private void write(final LogGroup logGroup, final String log) {
-        // TODO: rewrite in native for better performance
-        mLoggingHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                final long currentTime = System.currentTimeMillis();
-                final long upTime = SystemClock.uptimeMillis();
-                final StringBuilder builder = new StringBuilder();
-                builder.append(currentTime);
-                builder.append('\t'); builder.append(upTime);
-                builder.append('\t'); builder.append(logGroup.mLogString);
-                builder.append('\t'); builder.append(log);
-                builder.append('\n');
-                if (DEBUG) {
-                    Log.d(TAG, "Write: " + '[' + logGroup.mLogString + ']' + log);
-                }
-                final String s = builder.toString();
-                if (mLogFileManager.append(s)) {
-                    // success
-                } else {
-                    if (DEBUG) {
-                        Log.w(TAG, "Unable to write to log.");
+    /* package for test */ synchronized void flushEventQueue(
+            boolean removePotentiallyPrivateEvents) {
+        if (isAllowedToLog()) {
+            mCurrentLogUnit.setRemovePotentiallyPrivateEvents(removePotentiallyPrivateEvents);
+            mLoggingHandler.post(mCurrentLogUnit);
+        }
+        mCurrentLogUnit = new LogUnit();
+    }
+
+    private synchronized void outputEvent(final String[] keys, final Object[] values) {
+        try {
+            mJsonWriter.beginObject();
+            mJsonWriter.name(CURRENT_TIME_KEY).value(System.currentTimeMillis());
+            mJsonWriter.name(UPTIME_KEY).value(SystemClock.uptimeMillis());
+            mJsonWriter.name(EVENT_TYPE_KEY).value(keys[0]);
+            final int length = values.length;
+            for (int i = 0; i < length; i++) {
+                mJsonWriter.name(keys[i + 1]);
+                Object value = values[i];
+                if (value instanceof String) {
+                    mJsonWriter.value((String) value);
+                } else if (value instanceof Number) {
+                    mJsonWriter.value((Number) value);
+                } else if (value instanceof Boolean) {
+                    mJsonWriter.value((Boolean) value);
+                } else if (value instanceof CompletionInfo[]) {
+                    CompletionInfo[] ci = (CompletionInfo[]) value;
+                    mJsonWriter.beginArray();
+                    for (int j = 0; j < ci.length; j++) {
+                        mJsonWriter.value(ci[j].toString());
                     }
-                    // perhaps logfile was deleted.  try to recreate and relog.
-                    try {
-                        mLogFileManager.createLogFile(PreferenceManager
-                                .getDefaultSharedPreferences(mIms));
-                        mLogFileManager.append(s);
-                    } catch (IOException e) {
-                        e.printStackTrace();
+                    mJsonWriter.endArray();
+                } else if (value instanceof SharedPreferences) {
+                    SharedPreferences prefs = (SharedPreferences) value;
+                    mJsonWriter.beginObject();
+                    for (Map.Entry<String,?> entry : prefs.getAll().entrySet()) {
+                        mJsonWriter.name(entry.getKey());
+                        final Object innerValue = entry.getValue();
+                        if (innerValue == null) {
+                            mJsonWriter.nullValue();
+                        } else if (innerValue instanceof Boolean) {
+                            mJsonWriter.value((Boolean) innerValue);
+                        } else if (innerValue instanceof Number) {
+                            mJsonWriter.value((Number) innerValue);
+                        } else {
+                            mJsonWriter.value(innerValue.toString());
+                        }
                     }
+                    mJsonWriter.endObject();
+                } else if (value instanceof Key[]) {
+                    Key[] keyboardKeys = (Key[]) value;
+                    mJsonWriter.beginArray();
+                    for (Key keyboardKey : keyboardKeys) {
+                        mJsonWriter.beginObject();
+                        mJsonWriter.name("code").value(keyboardKey.mCode);
+                        mJsonWriter.name("altCode").value(keyboardKey.mAltCode);
+                        mJsonWriter.name("x").value(keyboardKey.mX);
+                        mJsonWriter.name("y").value(keyboardKey.mY);
+                        mJsonWriter.name("w").value(keyboardKey.mWidth);
+                        mJsonWriter.name("h").value(keyboardKey.mHeight);
+                        mJsonWriter.endObject();
+                    }
+                    mJsonWriter.endArray();
+                } else if (value instanceof SuggestedWords) {
+                    SuggestedWords words = (SuggestedWords) value;
+                    mJsonWriter.beginObject();
+                    mJsonWriter.name("typedWordValid").value(words.mTypedWordValid);
+                    mJsonWriter.name("hasAutoCorrectionCandidate")
+                        .value(words.mHasAutoCorrectionCandidate);
+                    mJsonWriter.name("isPunctuationSuggestions")
+                        .value(words.mIsPunctuationSuggestions);
+                    mJsonWriter.name("isObsoleteSuggestions")
+                        .value(words.mIsObsoleteSuggestions);
+                    mJsonWriter.name("isPrediction")
+                        .value(words.mIsPrediction);
+                    mJsonWriter.name("words");
+                    mJsonWriter.beginArray();
+                    final int size = words.size();
+                    for (int j = 0; j < size; j++) {
+                        SuggestedWordInfo wordInfo = words.getWordInfo(j);
+                        mJsonWriter.value(wordInfo.toString());
+                    }
+                    mJsonWriter.endArray();
+                    mJsonWriter.endObject();
+                } else if (value == null) {
+                    mJsonWriter.nullValue();
+                } else {
+                    Log.w(TAG, "Unrecognized type to be logged: " +
+                            (value == null ? "<null>" : value.getClass().getName()));
+                    mJsonWriter.nullValue();
                 }
             }
-        });
+            mJsonWriter.endObject();
+        } catch (IOException e) {
+            e.printStackTrace();
+            Log.w(TAG, "Error in JsonWriter; disabling logging");
+            try {
+                mJsonWriter.close();
+            } catch (IllegalStateException e1) {
+                // assume that this is just the json not being terminated properly.
+                // ignore
+            } catch (IOException e1) {
+                e1.printStackTrace();
+            } finally {
+                mJsonWriter = NULL_JSON_WRITER;
+            }
+        }
     }
 
-    public void clearAll() {
-        mLoggingHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                if (DEBUG) {
-                    Log.d(TAG, "Delete log file.");
+    private static class LogUnit implements Runnable {
+        private final List<String[]> mKeysList = new ArrayList<String[]>();
+        private final List<Object[]> mValuesList = new ArrayList<Object[]>();
+        private final List<Boolean> mIsPotentiallyPrivate = new ArrayList<Boolean>();
+        private boolean mRemovePotentiallyPrivateEvents = true;
+
+        private void addLogAtom(final String[] keys, final Object[] values,
+                final Boolean isPotentiallyPrivate) {
+            mKeysList.add(keys);
+            mValuesList.add(values);
+            mIsPotentiallyPrivate.add(isPotentiallyPrivate);
+        }
+
+        void setRemovePotentiallyPrivateEvents(boolean removePotentiallyPrivateEvents) {
+            mRemovePotentiallyPrivateEvents = removePotentiallyPrivateEvents;
+        }
+
+        @Override
+        public void run() {
+            final int numAtoms = mKeysList.size();
+            for (int atomIndex = 0; atomIndex < numAtoms; atomIndex++) {
+                if (mRemovePotentiallyPrivateEvents && mIsPotentiallyPrivate.get(atomIndex)) {
+                    continue;
                 }
-                mLogFileManager.reset();
+                final String[] keys = mKeysList.get(atomIndex);
+                final Object[] values = mValuesList.get(atomIndex);
+                ResearchLogger.getInstance().outputEvent(keys, values);
             }
-        });
+        }
     }
 
-    /* package */ LogFileManager getLogFileManager() {
-        return mLogFileManager;
+    private static int scrubDigitFromCodePoint(int codePoint) {
+        return Character.isDigit(codePoint) ? DIGIT_REPLACEMENT_CODEPOINT : codePoint;
     }
 
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
-        if (key == null || prefs == null) {
-            return;
+    /* package for test */ static String scrubDigitsFromString(String s) {
+        StringBuilder sb = null;
+        final int length = s.length();
+        for (int i = 0; i < length; i = s.offsetByCodePoints(i, 1)) {
+            final int codePoint = Character.codePointAt(s, i);
+            if (Character.isDigit(codePoint)) {
+                if (sb == null) {
+                    sb = new StringBuilder(length);
+                    sb.append(s.substring(0, i));
+                }
+                sb.appendCodePoint(DIGIT_REPLACEMENT_CODEPOINT);
+            } else {
+                if (sb != null) {
+                    sb.appendCodePoint(codePoint);
+                }
+            }
         }
-        sIsLogging = prefs.getBoolean(PREF_USABILITY_STUDY_MODE, false);
-    }
-
-    public static void keyboardState_onCancelInput(final boolean isSinglePointer,
-            final KeyboardState keyboardState) {
-        if (UnsLogGroup.KEYBOARDSTATE_ONCANCELINPUT_ENABLED) {
-            final String s = "onCancelInput: single=" + isSinglePointer + " " + keyboardState;
-            logUnstructured("KeyboardState_onCancelInput", s);
+        if (sb == null) {
+            return s;
+        } else {
+            return sb.toString();
         }
     }
 
-    public static void keyboardState_onCodeInput(
-            final int code, final boolean isSinglePointer, final int autoCaps,
-            final KeyboardState keyboardState) {
-        if (UnsLogGroup.KEYBOARDSTATE_ONCODEINPUT_ENABLED) {
-            final String s = "onCodeInput: code=" + Keyboard.printableCode(code)
-                    + " single=" + isSinglePointer
-                    + " autoCaps=" + autoCaps + " " + keyboardState;
-            logUnstructured("KeyboardState_onCodeInput", s);
+    private String scrubWord(String word) {
+        if (mDictionary == null) {
+            return WORD_REPLACEMENT_STRING;
+        }
+        if (mDictionary.isValidWord(word)) {
+            return word;
         }
+        return WORD_REPLACEMENT_STRING;
     }
 
-    public static void keyboardState_onLongPressTimeout(final int code,
-            final KeyboardState keyboardState) {
-        if (UnsLogGroup.KEYBOARDSTATE_ONLONGPRESSTIMEOUT_ENABLED) {
-            final String s = "onLongPressTimeout: code=" + Keyboard.printableCode(code) + " "
-                    + keyboardState;
-            logUnstructured("KeyboardState_onLongPressTimeout", s);
+    private static final String[] EVENTKEYS_LATINKEYBOARDVIEW_PROCESSMOTIONEVENT = {
+        "LatinKeyboardViewProcessMotionEvent", "action", "eventTime", "id", "x", "y", "size",
+        "pressure"
+    };
+    public static void latinKeyboardView_processMotionEvent(final MotionEvent me, final int action,
+            final long eventTime, final int index, final int id, final int x, final int y) {
+        if (me != null) {
+            final String actionString;
+            switch (action) {
+                case MotionEvent.ACTION_CANCEL: actionString = "CANCEL"; break;
+                case MotionEvent.ACTION_UP: actionString = "UP"; break;
+                case MotionEvent.ACTION_DOWN: actionString = "DOWN"; break;
+                case MotionEvent.ACTION_POINTER_UP: actionString = "POINTER_UP"; break;
+                case MotionEvent.ACTION_POINTER_DOWN: actionString = "POINTER_DOWN"; break;
+                case MotionEvent.ACTION_MOVE: actionString = "MOVE"; break;
+                case MotionEvent.ACTION_OUTSIDE: actionString = "OUTSIDE"; break;
+                default: actionString = "ACTION_" + action; break;
+            }
+            final float size = me.getSize(index);
+            final float pressure = me.getPressure(index);
+            final Object[] values = {
+                actionString, eventTime, id, x, y, size, pressure
+            };
+            getInstance().enqueuePotentiallyPrivateEvent(
+                    EVENTKEYS_LATINKEYBOARDVIEW_PROCESSMOTIONEVENT, values);
         }
     }
 
-    public static void keyboardState_onPressKey(final int code,
-            final KeyboardState keyboardState) {
-        if (UnsLogGroup.KEYBOARDSTATE_ONPRESSKEY_ENABLED) {
-            final String s = "onPressKey: code=" + Keyboard.printableCode(code) + " "
-                    + keyboardState;
-            logUnstructured("KeyboardState_onPressKey", s);
-        }
+    private static final String[] EVENTKEYS_LATINIME_ONCODEINPUT = {
+        "LatinIMEOnCodeInput", "code", "x", "y"
+    };
+    public static void latinIME_onCodeInput(final int code, final int x, final int y) {
+        final Object[] values = {
+            Keyboard.printableCode(scrubDigitFromCodePoint(code)), x, y
+        };
+        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONCODEINPUT, values);
     }
 
-    public static void keyboardState_onReleaseKey(final KeyboardState keyboardState, final int code,
-            final boolean withSliding) {
-        if (UnsLogGroup.KEYBOARDSTATE_ONRELEASEKEY_ENABLED) {
-            final String s = "onReleaseKey: code=" + Keyboard.printableCode(code)
-                    + " sliding=" + withSliding + " " + keyboardState;
-            logUnstructured("KeyboardState_onReleaseKey", s);
-        }
+    private static final String[] EVENTKEYS_CORRECTION = {
+        "LogCorrection", "subgroup", "before", "after", "position"
+    };
+    public static void logCorrection(final String subgroup, final String before, final String after,
+            final int position) {
+        final Object[] values = {
+            subgroup, scrubDigitsFromString(before), scrubDigitsFromString(after), position
+        };
+        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_CORRECTION, values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_COMMITCURRENTAUTOCORRECTION = {
+        "LatinIMECommitCurrentAutoCorrection", "typedWord", "autoCorrection"
+    };
     public static void latinIME_commitCurrentAutoCorrection(final String typedWord,
             final String autoCorrection) {
-        if (UnsLogGroup.LATINIME_COMMITCURRENTAUTOCORRECTION_ENABLED) {
-            if (typedWord.equals(autoCorrection)) {
-                getInstance().logCorrection("[----]", typedWord, autoCorrection, -1);
-            } else {
-                getInstance().logCorrection("[Auto]", typedWord, autoCorrection, -1);
-            }
-        }
+        final Object[] values = {
+            scrubDigitsFromString(typedWord), scrubDigitsFromString(autoCorrection)
+        };
+        final ResearchLogger researchLogger = getInstance();
+        researchLogger.enqueuePotentiallyPrivateEvent(
+                EVENTKEYS_LATINIME_COMMITCURRENTAUTOCORRECTION, values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_COMMITTEXT = {
+        "LatinIMECommitText", "typedWord"
+    };
     public static void latinIME_commitText(final CharSequence typedWord) {
-        if (UnsLogGroup.LATINIME_COMMITTEXT_ENABLED) {
-            logUnstructured("LatinIME_commitText", typedWord.toString());
-        }
+        final String scrubbedWord = scrubDigitsFromString(typedWord.toString());
+        final Object[] values = {
+            scrubbedWord
+        };
+        final ResearchLogger researchLogger = getInstance();
+        researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_COMMITTEXT, values);
+        researchLogger.onWordComplete(scrubbedWord);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_DELETESURROUNDINGTEXT = {
+        "LatinIMEDeleteSurroundingText", "length"
+    };
     public static void latinIME_deleteSurroundingText(final int length) {
-        if (UnsLogGroup.LATINIME_DELETESURROUNDINGTEXT_ENABLED) {
-            logUnstructured("LatinIME_deleteSurroundingText", String.valueOf(length));
-        }
+        final Object[] values = {
+            length
+        };
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_DELETESURROUNDINGTEXT, values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_DOUBLESPACEAUTOPERIOD = {
+        "LatinIMEDoubleSpaceAutoPeriod"
+    };
     public static void latinIME_doubleSpaceAutoPeriod() {
-        if (UnsLogGroup.LATINIME_DOUBLESPACEAUTOPERIOD_ENABLED) {
-            logUnstructured("LatinIME_doubleSpaceAutoPeriod", "");
-        }
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_DOUBLESPACEAUTOPERIOD, EVENTKEYS_NULLVALUES);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_ONDISPLAYCOMPLETIONS = {
+        "LatinIMEOnDisplayCompletions", "applicationSpecifiedCompletions"
+    };
     public static void latinIME_onDisplayCompletions(
             final CompletionInfo[] applicationSpecifiedCompletions) {
-        if (UnsLogGroup.LATINIME_ONDISPLAYCOMPLETIONS_ENABLED) {
-            final StringBuilder builder = new StringBuilder();
-            builder.append("Received completions:");
-            if (applicationSpecifiedCompletions != null) {
-                for (int i = 0; i < applicationSpecifiedCompletions.length; i++) {
-                    builder.append("  #");
-                    builder.append(i);
-                    builder.append(": ");
-                    builder.append(applicationSpecifiedCompletions[i]);
-                    builder.append("\n");
+        final Object[] values = {
+            applicationSpecifiedCompletions
+        };
+        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONDISPLAYCOMPLETIONS,
+                values);
+    }
+
+    /* package */ static boolean getAndClearLatinIMEExpectingUpdateSelection() {
+        boolean returnValue = sLatinIMEExpectingUpdateSelection;
+        sLatinIMEExpectingUpdateSelection = false;
+        return returnValue;
+    }
+
+    private static final String[] EVENTKEYS_LATINIME_ONWINDOWHIDDEN = {
+        "LatinIMEOnWindowHidden", "isTextTruncated", "text"
+    };
+    public static void latinIME_onWindowHidden(final int savedSelectionStart,
+            final int savedSelectionEnd, final InputConnection ic) {
+        if (ic != null) {
+            ic.beginBatchEdit();
+            ic.performContextMenuAction(android.R.id.selectAll);
+            CharSequence charSequence = ic.getSelectedText(0);
+            ic.setSelection(savedSelectionStart, savedSelectionEnd);
+            ic.endBatchEdit();
+            sLatinIMEExpectingUpdateSelection = true;
+            final Object[] values = new Object[2];
+            if (OUTPUT_ENTIRE_BUFFER) {
+                if (TextUtils.isEmpty(charSequence)) {
+                    values[0] = false;
+                    values[1] = "";
+                } else {
+                    if (charSequence.length() > MAX_INPUTVIEW_LENGTH_TO_CAPTURE) {
+                        int length = MAX_INPUTVIEW_LENGTH_TO_CAPTURE;
+                        // do not cut in the middle of a supplementary character
+                        final char c = charSequence.charAt(length - 1);
+                        if (Character.isHighSurrogate(c)) {
+                            length--;
+                        }
+                        final CharSequence truncatedCharSequence = charSequence.subSequence(0,
+                                length);
+                        values[0] = true;
+                        values[1] = truncatedCharSequence.toString();
+                    } else {
+                        values[0] = false;
+                        values[1] = charSequence.toString();
+                    }
                 }
+            } else {
+                values[0] = true;
+                values[1] = "";
             }
-            logUnstructured("LatinIME_onDisplayCompletions", builder.toString());
+            final ResearchLogger researchLogger = getInstance();
+            researchLogger.enqueueEvent(EVENTKEYS_LATINIME_ONWINDOWHIDDEN, values);
+            researchLogger.flushEventQueue(true); // Play it safe.  Remove privacy-sensitive events.
         }
     }
 
+    private static final String[] EVENTKEYS_LATINIME_ONSTARTINPUTVIEWINTERNAL = {
+        "LatinIMEOnStartInputViewInternal", "uuid", "packageName", "inputType", "imeOptions",
+        "fieldId", "display", "model", "prefs", "outputFormatVersion"
+    };
     public static void latinIME_onStartInputViewInternal(final EditorInfo editorInfo,
             final SharedPreferences prefs) {
-        if (UnsLogGroup.LATINIME_ONSTARTINPUTVIEWINTERNAL_ENABLED) {
-            final StringBuilder builder = new StringBuilder();
-            builder.append("onStartInputView: editorInfo:");
-            builder.append("\tinputType=");
-            builder.append(Integer.toHexString(editorInfo.inputType));
-            builder.append("\timeOptions=");
-            builder.append(Integer.toHexString(editorInfo.imeOptions));
-            builder.append("\tdisplay="); builder.append(Build.DISPLAY);
-            builder.append("\tmodel="); builder.append(Build.MODEL);
-            for (Map.Entry<String,?> entry : prefs.getAll().entrySet()) {
-                builder.append("\t" + entry.getKey());
-                Object value = entry.getValue();
-                builder.append("=" + ((value == null) ? "<null>" : value.toString()));
-            }
-            logUnstructured("LatinIME_onStartInputViewInternal", builder.toString());
+        if (editorInfo != null) {
+            final Object[] values = {
+                getUUID(prefs), editorInfo.packageName, Integer.toHexString(editorInfo.inputType),
+                Integer.toHexString(editorInfo.imeOptions), editorInfo.fieldId, Build.DISPLAY,
+                Build.MODEL, prefs, OUTPUT_FORMAT_VERSION
+            };
+            getInstance().enqueueEvent(EVENTKEYS_LATINIME_ONSTARTINPUTVIEWINTERNAL, values);
         }
     }
 
+    private static String getUUID(final SharedPreferences prefs) {
+        String uuidString = prefs.getString(PREF_RESEARCH_LOGGER_UUID_STRING, null);
+        if (null == uuidString) {
+            UUID uuid = UUID.randomUUID();
+            uuidString = uuid.toString();
+            Editor editor = prefs.edit();
+            editor.putString(PREF_RESEARCH_LOGGER_UUID_STRING, uuidString);
+            editor.apply();
+        }
+        return uuidString;
+    }
+
+    private static final String[] EVENTKEYS_LATINIME_ONUPDATESELECTION = {
+        "LatinIMEOnUpdateSelection", "lastSelectionStart", "lastSelectionEnd", "oldSelStart",
+        "oldSelEnd", "newSelStart", "newSelEnd", "composingSpanStart", "composingSpanEnd",
+        "expectingUpdateSelection", "expectingUpdateSelectionFromLogger", "context"
+    };
     public static void latinIME_onUpdateSelection(final int lastSelectionStart,
             final int lastSelectionEnd, final int oldSelStart, final int oldSelEnd,
             final int newSelStart, final int newSelEnd, final int composingSpanStart,
-            final int composingSpanEnd) {
-        if (UnsLogGroup.LATINIME_ONUPDATESELECTION_ENABLED) {
-            final String s = "onUpdateSelection: oss=" + oldSelStart
-                    + ", ose=" + oldSelEnd
-                    + ", lss=" + lastSelectionStart
-                    + ", lse=" + lastSelectionEnd
-                    + ", nss=" + newSelStart
-                    + ", nse=" + newSelEnd
-                    + ", cs=" + composingSpanStart
-                    + ", ce=" + composingSpanEnd;
-            logUnstructured("LatinIME_onUpdateSelection", s);
+            final int composingSpanEnd, final boolean expectingUpdateSelection,
+            final boolean expectingUpdateSelectionFromLogger,
+            final RichInputConnection connection) {
+        String word = "";
+        if (connection != null) {
+            Range range = connection.getWordRangeAtCursor(WHITESPACE_SEPARATORS, 1);
+            if (range != null) {
+                word = range.mWord;
+            }
         }
+        final ResearchLogger researchLogger = getInstance();
+        final String scrubbedWord = researchLogger.scrubWord(word);
+        final Object[] values = {
+            lastSelectionStart, lastSelectionEnd, oldSelStart, oldSelEnd, newSelStart,
+            newSelEnd, composingSpanStart, composingSpanEnd, expectingUpdateSelection,
+            expectingUpdateSelectionFromLogger, scrubbedWord
+        };
+        researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONUPDATESELECTION, values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_PERFORMEDITORACTION = {
+        "LatinIMEPerformEditorAction", "imeActionNext"
+    };
     public static void latinIME_performEditorAction(final int imeActionNext) {
-        if (UnsLogGroup.LATINIME_PERFORMEDITORACTION_ENABLED) {
-            logUnstructured("LatinIME_performEditorAction", String.valueOf(imeActionNext));
-        }
+        final Object[] values = {
+            imeActionNext
+        };
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_PERFORMEDITORACTION, values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_PICKAPPLICATIONSPECIFIEDCOMPLETION = {
+        "LatinIMEPickApplicationSpecifiedCompletion", "index", "text", "x", "y"
+    };
     public static void latinIME_pickApplicationSpecifiedCompletion(final int index,
-            final CharSequence text, int x, int y) {
-        if (UnsLogGroup.LATINIME_PICKAPPLICATIONSPECIFIEDCOMPLETION_ENABLED) {
-            final String s = String.valueOf(index) + '\t' + text + '\t' + x + '\t' + y;
-            logUnstructured("LatinIME_pickApplicationSpecifiedCompletion", s);
-        }
+            final CharSequence cs, int x, int y) {
+        final Object[] values = {
+            index, cs, x, y
+        };
+        final ResearchLogger researchLogger = getInstance();
+        researchLogger.enqueuePotentiallyPrivateEvent(
+                EVENTKEYS_LATINIME_PICKAPPLICATIONSPECIFIEDCOMPLETION, values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_PICKSUGGESTIONMANUALLY = {
+        "LatinIMEPickSuggestionManually", "replacedWord", "index", "suggestion", "x", "y"
+    };
     public static void latinIME_pickSuggestionManually(final String replacedWord,
             final int index, CharSequence suggestion, int x, int y) {
-        if (UnsLogGroup.LATINIME_PICKSUGGESTIONMANUALLY_ENABLED) {
-            final String s = String.valueOf(index) + '\t' + suggestion + '\t' + x + '\t' + y;
-            logUnstructured("LatinIME_pickSuggestionManually", s);
-        }
+        final Object[] values = {
+            scrubDigitsFromString(replacedWord), index, suggestion == null ? null :
+                    scrubDigitsFromString(suggestion.toString()), x, y
+        };
+        final ResearchLogger researchLogger = getInstance();
+        researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_PICKSUGGESTIONMANUALLY,
+                values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_PUNCTUATIONSUGGESTION = {
+        "LatinIMEPunctuationSuggestion", "index", "suggestion", "x", "y"
+    };
     public static void latinIME_punctuationSuggestion(final int index,
             final CharSequence suggestion, int x, int y) {
-        if (UnsLogGroup.LATINIME_PICKPUNCTUATIONSUGGESTION_ENABLED) {
-            final String s = String.valueOf(index) + '\t' + suggestion + '\t' + x + '\t' + y;
-            logUnstructured("LatinIME_pickPunctuationSuggestion", s);
-        }
+        final Object[] values = {
+            index, suggestion, x, y
+        };
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_PUNCTUATIONSUGGESTION, values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_REVERTDOUBLESPACEWHILEINBATCHEDIT = {
+        "LatinIMERevertDoubleSpaceWhileInBatchEdit"
+    };
     public static void latinIME_revertDoubleSpaceWhileInBatchEdit() {
-        if (UnsLogGroup.LATINIME_REVERTDOUBLESPACEWHILEINBATCHEDIT_ENABLED) {
-            logUnstructured("LatinIME_revertDoubleSpaceWhileInBatchEdit", "");
-        }
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_REVERTDOUBLESPACEWHILEINBATCHEDIT,
+                EVENTKEYS_NULLVALUES);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_REVERTSWAPPUNCTUATION = {
+        "LatinIMERevertSwapPunctuation"
+    };
     public static void latinIME_revertSwapPunctuation() {
-        if (UnsLogGroup.LATINIME_REVERTSWAPPUNCTUATION_ENABLED) {
-            logUnstructured("LatinIME_revertSwapPunctuation", "");
-        }
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_REVERTSWAPPUNCTUATION, EVENTKEYS_NULLVALUES);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_SENDKEYCODEPOINT = {
+        "LatinIMESendKeyCodePoint", "code"
+    };
     public static void latinIME_sendKeyCodePoint(final int code) {
-        if (UnsLogGroup.LATINIME_SENDKEYCODEPOINT_ENABLED) {
-            logUnstructured("LatinIME_sendKeyCodePoint", String.valueOf(code));
-        }
+        final Object[] values = {
+            Keyboard.printableCode(scrubDigitFromCodePoint(code))
+        };
+        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_SENDKEYCODEPOINT, values);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACEWHILEINBATCHEDIT = {
+        "LatinIMESwapSwapperAndSpaceWhileInBatchEdit"
+    };
     public static void latinIME_swapSwapperAndSpaceWhileInBatchEdit() {
-        if (UnsLogGroup.LATINIME_SWAPSWAPPERANDSPACEWHILEINBATCHEDIT_ENABLED) {
-            logUnstructured("latinIME_swapSwapperAndSpaceWhileInBatchEdit", "");
-        }
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACEWHILEINBATCHEDIT,
+                EVENTKEYS_NULLVALUES);
     }
 
+    private static final String[] EVENTKEYS_LATINIME_SWITCHTOKEYBOARDVIEW = {
+        "LatinIMESwitchToKeyboardView"
+    };
     public static void latinIME_switchToKeyboardView() {
-        if (UnsLogGroup.LATINIME_SWITCHTOKEYBOARDVIEW_ENABLED) {
-            final String s = "Switch to keyboard view.";
-            logUnstructured("LatinIME_switchToKeyboardView", s);
-        }
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_SWITCHTOKEYBOARDVIEW, EVENTKEYS_NULLVALUES);
     }
 
+    private static final String[] EVENTKEYS_LATINKEYBOARDVIEW_ONLONGPRESS = {
+        "LatinKeyboardViewOnLongPress"
+    };
     public static void latinKeyboardView_onLongPress() {
-        if (UnsLogGroup.LATINKEYBOARDVIEW_ONLONGPRESS_ENABLED) {
-            final String s = "long press detected";
-            logUnstructured("LatinKeyboardView_onLongPress", s);
-        }
-    }
-
-    public static void latinKeyboardView_processMotionEvent(MotionEvent me, int action,
-            long eventTime, int index, int id, int x, int y) {
-        if (UnsLogGroup.LATINKEYBOARDVIEW_ONPROCESSMOTIONEVENT_ENABLED) {
-            final float size = me.getSize(index);
-            final float pressure = me.getPressure(index);
-            if (action != MotionEvent.ACTION_MOVE) {
-                getInstance().logMotionEvent(action, eventTime, id, x, y, size, pressure);
-            }
-        }
+        getInstance().enqueueEvent(EVENTKEYS_LATINKEYBOARDVIEW_ONLONGPRESS, EVENTKEYS_NULLVALUES);
     }
 
+    private static final String[] EVENTKEYS_LATINKEYBOARDVIEW_SETKEYBOARD = {
+        "LatinKeyboardViewSetKeyboard", "elementId", "locale", "orientation", "width",
+        "modeName", "action", "navigateNext", "navigatePrevious", "clobberSettingsKey",
+        "passwordInput", "shortcutKeyEnabled", "hasShortcutKey", "languageSwitchKeyEnabled",
+        "isMultiLine", "tw", "th", "keys"
+    };
     public static void latinKeyboardView_setKeyboard(final Keyboard keyboard) {
-        if (UnsLogGroup.LATINKEYBOARDVIEW_SETKEYBOARD_ENABLED) {
-            StringBuilder builder = new StringBuilder();
-            builder.append("id=");
-            builder.append(keyboard.mId);
-            builder.append("\tw=");
-            builder.append(keyboard.mOccupiedWidth);
-            builder.append("\th=");
-            builder.append(keyboard.mOccupiedHeight);
-            builder.append("\tkeys=[");
-            boolean first = true;
-            for (Key key : keyboard.mKeys) {
-                if (first) {
-                    first = false;
-                } else {
-                    builder.append(",");
-                }
-                builder.append("{code:");
-                builder.append(key.mCode);
-                builder.append(",altCode:");
-                builder.append(key.mAltCode);
-                builder.append(",x:");
-                builder.append(key.mX);
-                builder.append(",y:");
-                builder.append(key.mY);
-                builder.append(",w:");
-                builder.append(key.mWidth);
-                builder.append(",h:");
-                builder.append(key.mHeight);
-                builder.append("}");
-            }
-            builder.append("]");
-            logUnstructured("LatinKeyboardView_setKeyboard", builder.toString());
+        if (keyboard != null) {
+            final KeyboardId kid = keyboard.mId;
+            final boolean isPasswordView = kid.passwordInput();
+            final Object[] values = {
+                    KeyboardId.elementIdToName(kid.mElementId),
+                    kid.mLocale + ":" + kid.mSubtype.getExtraValueOf(KEYBOARD_LAYOUT_SET),
+                    kid.mOrientation,
+                    kid.mWidth,
+                    KeyboardId.modeName(kid.mMode),
+                    kid.imeAction(),
+                    kid.navigateNext(),
+                    kid.navigatePrevious(),
+                    kid.mClobberSettingsKey,
+                    isPasswordView,
+                    kid.mShortcutKeyEnabled,
+                    kid.mHasShortcutKey,
+                    kid.mLanguageSwitchKeyEnabled,
+                    kid.isMultiLine(),
+                    keyboard.mOccupiedWidth,
+                    keyboard.mOccupiedHeight,
+                    keyboard.mKeys
+                };
+            getInstance().enqueueEvent(EVENTKEYS_LATINKEYBOARDVIEW_SETKEYBOARD, values);
+            getInstance().setIsPasswordView(isPasswordView);
         }
     }
 
+    private static final String[] EVENTKEYS_LATINIME_REVERTCOMMIT = {
+        "LatinIMERevertCommit", "originallyTypedWord"
+    };
     public static void latinIME_revertCommit(final String originallyTypedWord) {
-        if (UnsLogGroup.LATINIME_REVERTCOMMIT_ENABLED) {
-            logUnstructured("LatinIME_revertCommit", originallyTypedWord);
-        }
+        final Object[] values = {
+            originallyTypedWord
+        };
+        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_REVERTCOMMIT, values);
     }
 
+    private static final String[] EVENTKEYS_POINTERTRACKER_CALLLISTENERONCANCELINPUT = {
+        "PointerTrackerCallListenerOnCancelInput"
+    };
     public static void pointerTracker_callListenerOnCancelInput() {
-        final String s = "onCancelInput";
-        if (UnsLogGroup.POINTERTRACKER_CALLLISTENERONCANCELINPUT_ENABLED) {
-            logUnstructured("PointerTracker_callListenerOnCancelInput", s);
-        }
+        getInstance().enqueueEvent(EVENTKEYS_POINTERTRACKER_CALLLISTENERONCANCELINPUT,
+                EVENTKEYS_NULLVALUES);
     }
 
+    private static final String[] EVENTKEYS_POINTERTRACKER_CALLLISTENERONCODEINPUT = {
+        "PointerTrackerCallListenerOnCodeInput", "code", "outputText", "x", "y",
+        "ignoreModifierKey", "altersCode", "isEnabled"
+    };
     public static void pointerTracker_callListenerOnCodeInput(final Key key, final int x,
             final int y, final boolean ignoreModifierKey, final boolean altersCode,
             final int code) {
-        if (UnsLogGroup.POINTERTRACKER_CALLLISTENERONCODEINPUT_ENABLED) {
-            final String s = "onCodeInput: " + Keyboard.printableCode(code)
-                    + " text=" + key.mOutputText + " x=" + x + " y=" + y
-                    + " ignoreModifier=" + ignoreModifierKey + " altersCode=" + altersCode
-                    + " enabled=" + key.isEnabled();
-            logUnstructured("PointerTracker_callListenerOnCodeInput", s);
-        }
-    }
-
-    public static void pointerTracker_callListenerOnPressAndCheckKeyboardLayoutChange(
-            final Key key, final boolean ignoreModifierKey) {
-        if (UnsLogGroup.POINTERTRACKER_CALLLISTENERONPRESSANDCHECKKEYBOARDLAYOUTCHANGE_ENABLED) {
-            final String s = "onPress    : " + KeyDetector.printableCode(key)
-                    + " ignoreModifier=" + ignoreModifierKey
-                    + " enabled=" + key.isEnabled();
-            logUnstructured("PointerTracker_callListenerOnPressAndCheckKeyboardLayoutChange", s);
+        if (key != null) {
+            CharSequence outputText = key.mOutputText;
+            final Object[] values = {
+                Keyboard.printableCode(scrubDigitFromCodePoint(code)), outputText == null ? null
+                        : scrubDigitsFromString(outputText.toString()),
+                x, y, ignoreModifierKey, altersCode, key.isEnabled()
+            };
+            getInstance().enqueuePotentiallyPrivateEvent(
+                    EVENTKEYS_POINTERTRACKER_CALLLISTENERONCODEINPUT, values);
         }
     }
 
+    private static final String[] EVENTKEYS_POINTERTRACKER_CALLLISTENERONRELEASE = {
+        "PointerTrackerCallListenerOnRelease", "code", "withSliding", "ignoreModifierKey",
+        "isEnabled"
+    };
     public static void pointerTracker_callListenerOnRelease(final Key key, final int primaryCode,
             final boolean withSliding, final boolean ignoreModifierKey) {
-        if (UnsLogGroup.POINTERTRACKER_CALLLISTENERONRELEASE_ENABLED) {
-            final String s = "onRelease  : " + Keyboard.printableCode(primaryCode)
-                    + " sliding=" + withSliding + " ignoreModifier=" + ignoreModifierKey
-                    + " enabled="+ key.isEnabled();
-            logUnstructured("PointerTracker_callListenerOnRelease", s);
+        if (key != null) {
+            final Object[] values = {
+                Keyboard.printableCode(scrubDigitFromCodePoint(primaryCode)), withSliding,
+                ignoreModifierKey, key.isEnabled()
+            };
+            getInstance().enqueuePotentiallyPrivateEvent(
+                    EVENTKEYS_POINTERTRACKER_CALLLISTENERONRELEASE, values);
         }
     }
 
+    private static final String[] EVENTKEYS_POINTERTRACKER_ONDOWNEVENT = {
+        "PointerTrackerOnDownEvent", "deltaT", "distanceSquared"
+    };
     public static void pointerTracker_onDownEvent(long deltaT, int distanceSquared) {
-        if (UnsLogGroup.POINTERTRACKER_ONDOWNEVENT_ENABLED) {
-            final String s = "onDownEvent: ignore potential noise: time=" + deltaT
-                    + " distance=" + distanceSquared;
-            logUnstructured("PointerTracker_onDownEvent", s);
-        }
+        final Object[] values = {
+            deltaT, distanceSquared
+        };
+        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_POINTERTRACKER_ONDOWNEVENT, values);
     }
 
+    private static final String[] EVENTKEYS_POINTERTRACKER_ONMOVEEVENT = {
+        "PointerTrackerOnMoveEvent", "x", "y", "lastX", "lastY"
+    };
     public static void pointerTracker_onMoveEvent(final int x, final int y, final int lastX,
             final int lastY) {
-        if (UnsLogGroup.POINTERTRACKER_ONMOVEEVENT_ENABLED) {
-            final String s = String.format("onMoveEvent: sudden move is translated to "
-                    + "up[%d,%d]/down[%d,%d] events", lastX, lastY, x, y);
-            logUnstructured("PointerTracker_onMoveEvent", s);
-        }
+        final Object[] values = {
+            x, y, lastX, lastY
+        };
+        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_POINTERTRACKER_ONMOVEEVENT, values);
     }
 
+    private static final String[] EVENTKEYS_SUDDENJUMPINGTOUCHEVENTHANDLER_ONTOUCHEVENT = {
+        "SuddenJumpingTouchEventHandlerOnTouchEvent", "motionEvent"
+    };
     public static void suddenJumpingTouchEventHandler_onTouchEvent(final MotionEvent me) {
-        if (UnsLogGroup.SUDDENJUMPINGTOUCHEVENTHANDLER_ONTOUCHEVENT_ENABLED) {
-            final String s = "onTouchEvent: ignore sudden jump " + me;
-            logUnstructured("SuddenJumpingTouchEventHandler_onTouchEvent", s);
+        if (me != null) {
+            final Object[] values = {
+                me.toString()
+            };
+            getInstance().enqueuePotentiallyPrivateEvent(
+                    EVENTKEYS_SUDDENJUMPINGTOUCHEVENTHANDLER_ONTOUCHEVENT, values);
         }
     }
 
-    public static void suggestionsView_setSuggestions(final SuggestedWords mSuggestedWords) {
-        if (UnsLogGroup.SUGGESTIONSVIEW_SETSUGGESTIONS_ENABLED) {
-            logUnstructured("SuggestionsView_setSuggestions", mSuggestedWords.toString());
+    private static final String[] EVENTKEYS_SUGGESTIONSVIEW_SETSUGGESTIONS = {
+        "SuggestionsViewSetSuggestions", "suggestedWords"
+    };
+    public static void suggestionsView_setSuggestions(final SuggestedWords suggestedWords) {
+        if (suggestedWords != null) {
+            final Object[] values = {
+                suggestedWords
+            };
+            getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_SUGGESTIONSVIEW_SETSUGGESTIONS,
+                    values);
         }
     }
-}
\ No newline at end of file
+
+    private static final String[] EVENTKEYS_USER_TIMESTAMP = {
+        "UserTimestamp"
+    };
+    public void userTimestamp() {
+        getInstance().enqueueEvent(EVENTKEYS_USER_TIMESTAMP, EVENTKEYS_NULLVALUES);
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/RichInputConnection.java b/java/src/com/android/inputmethod/latin/RichInputConnection.java
new file mode 100644
index 000000000..40d327ebb
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/RichInputConnection.java
@@ -0,0 +1,431 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.inputmethod.CompletionInfo;
+import android.view.inputmethod.CorrectionInfo;
+import android.view.inputmethod.ExtractedText;
+import android.view.inputmethod.ExtractedTextRequest;
+import android.view.inputmethod.InputConnection;
+
+import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.latin.define.ProductionFlag;
+
+import java.util.regex.Pattern;
+
+/**
+ * Wrapper for InputConnection to simplify interaction
+ */
+public class RichInputConnection {
+    private static final String TAG = RichInputConnection.class.getSimpleName();
+    private static final boolean DBG = false;
+    // Provision for a long word pair and a separator
+    private static final int LOOKBACK_CHARACTER_NUM = BinaryDictionary.MAX_WORD_LENGTH * 2 + 1;
+    private static final Pattern spaceRegex = Pattern.compile("\\s+");
+    private static final int INVALID_CURSOR_POSITION = -1;
+
+    InputConnection mIC;
+    int mNestLevel;
+    public RichInputConnection() {
+        mIC = null;
+        mNestLevel = 0;
+    }
+
+    public void beginBatchEdit(final InputConnection newInputConnection) {
+        if (++mNestLevel == 1) {
+            mIC = newInputConnection;
+            if (null != mIC) mIC.beginBatchEdit();
+        } else {
+            if (DBG) {
+                throw new RuntimeException("Nest level too deep");
+            } else {
+                Log.e(TAG, "Nest level too deep : " + mNestLevel);
+            }
+        }
+    }
+    public void endBatchEdit() {
+        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead
+        if (--mNestLevel == 0 && null != mIC) mIC.endBatchEdit();
+    }
+
+    private void checkBatchEdit() {
+        if (mNestLevel != 1) {
+            // TODO: exception instead
+            Log.e(TAG, "Batch edit level incorrect : " + mNestLevel);
+            Log.e(TAG, Utils.getStackTrace(4));
+        }
+    }
+
+    public void finishComposingText() {
+        checkBatchEdit();
+        if (null != mIC) mIC.finishComposingText();
+    }
+
+    public void commitText(final CharSequence text, final int i) {
+        checkBatchEdit();
+        if (null != mIC) mIC.commitText(text, i);
+    }
+
+    public int getCursorCapsMode(final int inputType) {
+        if (null == mIC) return Constants.TextUtils.CAP_MODE_OFF;
+        return mIC.getCursorCapsMode(inputType);
+    }
+
+    public CharSequence getTextBeforeCursor(final int i, final int j) {
+        if (null != mIC) return mIC.getTextBeforeCursor(i, j);
+        return null;
+    }
+
+    public CharSequence getTextAfterCursor(final int i, final int j) {
+        if (null != mIC) return mIC.getTextAfterCursor(i, j);
+        return null;
+    }
+
+    public void deleteSurroundingText(final int i, final int j) {
+        checkBatchEdit();
+        if (null != mIC) mIC.deleteSurroundingText(i, j);
+    }
+
+    public void performEditorAction(final int actionId) {
+        if (null != mIC) mIC.performEditorAction(actionId);
+    }
+
+    public void sendKeyEvent(final KeyEvent keyEvent) {
+        checkBatchEdit();
+        if (null != mIC) mIC.sendKeyEvent(keyEvent);
+    }
+
+    public void setComposingText(final CharSequence text, final int i) {
+        checkBatchEdit();
+        if (null != mIC) mIC.setComposingText(text, i);
+    }
+
+    public void setSelection(final int from, final int to) {
+        checkBatchEdit();
+        if (null != mIC) mIC.setSelection(from, to);
+    }
+
+    public void commitCorrection(final CorrectionInfo correctionInfo) {
+        checkBatchEdit();
+        if (null != mIC) mIC.commitCorrection(correctionInfo);
+    }
+
+    public void commitCompletion(final CompletionInfo completionInfo) {
+        checkBatchEdit();
+        if (null != mIC) mIC.commitCompletion(completionInfo);
+    }
+
+    public CharSequence getPreviousWord(final String sentenceSeperators) {
+        //TODO: Should fix this. This could be slow!
+        if (null == mIC) return null;
+        CharSequence prev = mIC.getTextBeforeCursor(LOOKBACK_CHARACTER_NUM, 0);
+        return getPreviousWord(prev, sentenceSeperators);
+    }
+
+    /**
+     * Represents a range of text, relative to the current cursor position.
+     */
+    public static class Range {
+        /** Characters before selection start */
+        public final int mCharsBefore;
+
+        /**
+         * Characters after selection start, including one trailing word
+         * separator.
+         */
+        public final int mCharsAfter;
+
+        /** The actual characters that make up a word */
+        public final String mWord;
+
+        public Range(int charsBefore, int charsAfter, String word) {
+            if (charsBefore < 0 || charsAfter < 0) {
+                throw new IndexOutOfBoundsException();
+            }
+            this.mCharsBefore = charsBefore;
+            this.mCharsAfter = charsAfter;
+            this.mWord = word;
+        }
+    }
+
+    private static boolean isSeparator(int code, String sep) {
+        return sep.indexOf(code) != -1;
+    }
+
+    // Get the word before the whitespace preceding the non-whitespace preceding the cursor.
+    // Also, it won't return words that end in a separator.
+    // Example :
+    // "abc def|" -> abc
+    // "abc def |" -> abc
+    // "abc def. |" -> abc
+    // "abc def . |" -> def
+    // "abc|" -> null
+    // "abc |" -> null
+    // "abc. def|" -> null
+    public static CharSequence getPreviousWord(CharSequence prev, String sentenceSeperators) {
+        if (prev == null) return null;
+        String[] w = spaceRegex.split(prev);
+
+        // If we can't find two words, or we found an empty word, return null.
+        if (w.length < 2 || w[w.length - 2].length() <= 0) return null;
+
+        // If ends in a separator, return null
+        char lastChar = w[w.length - 2].charAt(w[w.length - 2].length() - 1);
+        if (sentenceSeperators.contains(String.valueOf(lastChar))) return null;
+
+        return w[w.length - 2];
+    }
+
+    public CharSequence getThisWord(String sentenceSeperators) {
+        if (null == mIC) return null;
+        final CharSequence prev = mIC.getTextBeforeCursor(LOOKBACK_CHARACTER_NUM, 0);
+        return getThisWord(prev, sentenceSeperators);
+    }
+
+    // Get the word immediately before the cursor, even if there is whitespace between it and
+    // the cursor - but not if there is punctuation.
+    // Example :
+    // "abc def|" -> def
+    // "abc def |" -> def
+    // "abc def. |" -> null
+    // "abc def . |" -> null
+    public static CharSequence getThisWord(CharSequence prev, String sentenceSeperators) {
+        if (prev == null) return null;
+        String[] w = spaceRegex.split(prev);
+
+        // No word : return null
+        if (w.length < 1 || w[w.length - 1].length() <= 0) return null;
+
+        // If ends in a separator, return null
+        char lastChar = w[w.length - 1].charAt(w[w.length - 1].length() - 1);
+        if (sentenceSeperators.contains(String.valueOf(lastChar))) return null;
+
+        return w[w.length - 1];
+    }
+
+    /**
+     * @param separators characters which may separate words
+     * @return the word that surrounds the cursor, including up to one trailing
+     *   separator. For example, if the field contains "he|llo world", where |
+     *   represents the cursor, then "hello " will be returned.
+     */
+    public String getWordAtCursor(String separators) {
+        // getWordRangeAtCursor returns null if the connection is null
+        Range r = getWordRangeAtCursor(separators, 0);
+        return (r == null) ? null : r.mWord;
+    }
+
+    private int getCursorPosition() {
+        if (null == mIC) return INVALID_CURSOR_POSITION;
+        final ExtractedText extracted = mIC.getExtractedText(new ExtractedTextRequest(), 0);
+        if (extracted == null) {
+            return INVALID_CURSOR_POSITION;
+        }
+        return extracted.startOffset + extracted.selectionStart;
+    }
+
+    /**
+     * Returns the text surrounding the cursor.
+     *
+     * @param sep a string of characters that split words.
+     * @param additionalPrecedingWordsCount the number of words before the current word that should
+     *   be included in the returned range
+     * @return a range containing the text surrounding the cursor
+     */
+    public Range getWordRangeAtCursor(String sep, int additionalPrecedingWordsCount) {
+        if (mIC == null || sep == null) {
+            return null;
+        }
+        CharSequence before = mIC.getTextBeforeCursor(1000, 0);
+        CharSequence after = mIC.getTextAfterCursor(1000, 0);
+        if (before == null || after == null) {
+            return null;
+        }
+
+        // Going backward, alternate skipping non-separators and separators until enough words
+        // have been read.
+        int start = before.length();
+        boolean isStoppingAtWhitespace = true;  // toggles to indicate what to stop at
+        while (true) { // see comments below for why this is guaranteed to halt
+            while (start > 0) {
+                final int codePoint = Character.codePointBefore(before, start);
+                if (isStoppingAtWhitespace == isSeparator(codePoint, sep)) {
+                    break;  // inner loop
+                }
+                --start;
+                if (Character.isSupplementaryCodePoint(codePoint)) {
+                    --start;
+                }
+            }
+            // isStoppingAtWhitespace is true every other time through the loop,
+            // so additionalPrecedingWordsCount is guaranteed to become < 0, which
+            // guarantees outer loop termination
+            if (isStoppingAtWhitespace && (--additionalPrecedingWordsCount < 0)) {
+                break;  // outer loop
+            }
+            isStoppingAtWhitespace = !isStoppingAtWhitespace;
+        }
+
+        // Find last word separator after the cursor
+        int end = -1;
+        while (++end < after.length()) {
+            final int codePoint = Character.codePointAt(after, end);
+            if (isSeparator(codePoint, sep)) {
+                break;
+            }
+            if (Character.isSupplementaryCodePoint(codePoint)) {
+                ++end;
+            }
+        }
+
+        int cursor = getCursorPosition();
+        if (start >= 0 && cursor + end <= after.length() + before.length()) {
+            String word = before.toString().substring(start, before.length())
+                    + after.toString().substring(0, end);
+            return new Range(before.length() - start, end, word);
+        }
+
+        return null;
+    }
+
+    public boolean isCursorTouchingWord(final SettingsValues settingsValues) {
+        CharSequence before = getTextBeforeCursor(1, 0);
+        CharSequence after = getTextAfterCursor(1, 0);
+        if (!TextUtils.isEmpty(before) && !settingsValues.isWordSeparator(before.charAt(0))
+                && !settingsValues.isSymbolExcludedFromWordSeparators(before.charAt(0))) {
+            return true;
+        }
+        if (!TextUtils.isEmpty(after) && !settingsValues.isWordSeparator(after.charAt(0))
+                && !settingsValues.isSymbolExcludedFromWordSeparators(after.charAt(0))) {
+            return true;
+        }
+        return false;
+    }
+
+    public void removeTrailingSpace() {
+        checkBatchEdit();
+        final CharSequence lastOne = getTextBeforeCursor(1, 0);
+        if (lastOne != null && lastOne.length() == 1
+                && lastOne.charAt(0) == Keyboard.CODE_SPACE) {
+            deleteSurroundingText(1, 0);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.latinIME_deleteSurroundingText(1);
+            }
+        }
+    }
+
+    public boolean sameAsTextBeforeCursor(final CharSequence text) {
+        final CharSequence beforeText = getTextBeforeCursor(text.length(), 0);
+        return TextUtils.equals(text, beforeText);
+    }
+
+    /* (non-javadoc)
+     * Returns the word before the cursor if the cursor is at the end of a word, null otherwise
+     */
+    public CharSequence getWordBeforeCursorIfAtEndOfWord(final SettingsValues settings) {
+        // Bail out if the cursor is in the middle of a word (cursor must be followed by whitespace,
+        // separator or end of line/text)
+        // Example: "test|"<EOL> "te|st" get rejected here
+        final CharSequence textAfterCursor = getTextAfterCursor(1, 0);
+        if (!TextUtils.isEmpty(textAfterCursor)
+                && !settings.isWordSeparator(textAfterCursor.charAt(0))) return null;
+
+        // Bail out if word before cursor is 0-length or a single non letter (like an apostrophe)
+        // Example: " -|" gets rejected here but "e-|" and "e|" are okay
+        CharSequence word = getWordAtCursor(settings.mWordSeparators);
+        // We don't suggest on leading single quotes, so we have to remove them from the word if
+        // it starts with single quotes.
+        while (!TextUtils.isEmpty(word) && Keyboard.CODE_SINGLE_QUOTE == word.charAt(0)) {
+            word = word.subSequence(1, word.length());
+        }
+        if (TextUtils.isEmpty(word)) return null;
+        // Find the last code point of the string
+        final int lastCodePoint = Character.codePointBefore(word, word.length());
+        // If for some reason the text field contains non-unicode binary data, or if the
+        // charsequence is exactly one char long and the contents is a low surrogate, return null.
+        if (!Character.isDefined(lastCodePoint)) return null;
+        // Bail out if the cursor is not at the end of a word (cursor must be preceded by
+        // non-whitespace, non-separator, non-start-of-text)
+        // Example ("|" is the cursor here) : <SOL>"|a" " |a" " | " all get rejected here.
+        if (settings.isWordSeparator(lastCodePoint)) return null;
+        final char firstChar = word.charAt(0); // we just tested that word is not empty
+        if (word.length() == 1 && !Character.isLetter(firstChar)) return null;
+
+        // We only suggest on words that start with a letter or a symbol that is excluded from
+        // word separators (see #handleCharacterWhileInBatchEdit).
+        if (!(Character.isLetter(firstChar)
+                || settings.isSymbolExcludedFromWordSeparators(firstChar))) {
+            return null;
+        }
+
+        return word;
+    }
+
+    public boolean revertDoubleSpace() {
+        checkBatchEdit();
+        // Here we test whether we indeed have a period and a space before us. This should not
+        // be needed, but it's there just in case something went wrong.
+        final CharSequence textBeforeCursor = getTextBeforeCursor(2, 0);
+        if (!". ".equals(textBeforeCursor)) {
+            // Theoretically we should not be coming here if there isn't ". " before the
+            // cursor, but the application may be changing the text while we are typing, so
+            // anything goes. We should not crash.
+            Log.d(TAG, "Tried to revert double-space combo but we didn't find "
+                    + "\". \" just before the cursor.");
+            return false;
+        }
+        deleteSurroundingText(2, 0);
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_deleteSurroundingText(2);
+        }
+        commitText("  ", 1);
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_revertDoubleSpaceWhileInBatchEdit();
+        }
+        return true;
+    }
+
+    public boolean revertSwapPunctuation() {
+        checkBatchEdit();
+        // Here we test whether we indeed have a space and something else before us. This should not
+        // be needed, but it's there just in case something went wrong.
+        final CharSequence textBeforeCursor = getTextBeforeCursor(2, 0);
+        // NOTE: This does not work with surrogate pairs. Hopefully when the keyboard is able to
+        // enter surrogate pairs this code will have been removed.
+        if (TextUtils.isEmpty(textBeforeCursor)
+                || (Keyboard.CODE_SPACE != textBeforeCursor.charAt(1))) {
+            // We may only come here if the application is changing the text while we are typing.
+            // This is quite a broken case, but not logically impossible, so we shouldn't crash,
+            // but some debugging log may be in order.
+            Log.d(TAG, "Tried to revert a swap of punctuation but we didn't "
+                    + "find a space just before the cursor.");
+            return false;
+        }
+        deleteSurroundingText(2, 0);
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_deleteSurroundingText(2);
+        }
+        commitText(" " + textBeforeCursor.subSequence(0, 1), 1);
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_revertSwapPunctuation();
+        }
+        return true;
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/Settings.java b/java/src/com/android/inputmethod/latin/Settings.java
index 152d66851..4c89a6e91 100644
--- a/java/src/com/android/inputmethod/latin/Settings.java
+++ b/java/src/com/android/inputmethod/latin/Settings.java
@@ -69,9 +69,7 @@ public class Settings extends InputMethodSettingsFragment
     public static final String PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY =
             "pref_key_preview_popup_dismiss_delay";
     public static final String PREF_KEY_USE_CONTACTS_DICT = "pref_key_use_contacts_dict";
-    public static final String PREF_BIGRAM_SUGGESTION = "next_word_suggestion";
     public static final String PREF_BIGRAM_PREDICTIONS = "next_word_prediction";
-    public static final String PREF_KEY_ENABLE_SPAN_INSERT = "enable_span_insert";
     public static final String PREF_VIBRATION_DURATION_SETTINGS =
             "pref_vibration_duration_settings";
     public static final String PREF_KEYPRESS_SOUND_VOLUME =
@@ -87,9 +85,7 @@ public class Settings extends InputMethodSettingsFragment
     private ListPreference mShowCorrectionSuggestionsPreference;
     private ListPreference mAutoCorrectionThresholdPreference;
     private ListPreference mKeyPreviewPopupDismissDelay;
-    // Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary
-    private CheckBoxPreference mBigramSuggestion;
-    // Prediction: use bigrams to predict the next word when there is no input for it yet
+    // Use bigrams to predict the next word when there is no input for it yet
     private CheckBoxPreference mBigramPrediction;
     private Preference mDebugSettingsPreference;
 
@@ -100,7 +96,6 @@ public class Settings extends InputMethodSettingsFragment
         final String autoCorrectionOff = getResources().getString(
                 R.string.auto_correction_threshold_mode_index_off);
         final String currentSetting = mAutoCorrectionThresholdPreference.getValue();
-        mBigramSuggestion.setEnabled(!currentSetting.equals(autoCorrectionOff));
         if (null != mBigramPrediction) {
             mBigramPrediction.setEnabled(!currentSetting.equals(autoCorrectionOff));
         }
@@ -124,7 +119,6 @@ public class Settings extends InputMethodSettingsFragment
 
         mAutoCorrectionThresholdPreference =
                 (ListPreference) findPreference(PREF_AUTO_CORRECTION_THRESHOLD);
-        mBigramSuggestion = (CheckBoxPreference) findPreference(PREF_BIGRAM_SUGGESTION);
         mBigramPrediction = (CheckBoxPreference) findPreference(PREF_BIGRAM_PREDICTIONS);
         mDebugSettingsPreference = findPreference(PREF_DEBUG_SETTINGS);
         if (mDebugSettingsPreference != null) {
@@ -151,9 +145,6 @@ public class Settings extends InputMethodSettingsFragment
 
         final PreferenceGroup advancedSettings =
                 (PreferenceGroup) findPreference(PREF_ADVANCED_SETTINGS);
-        // Remove those meaningless options for now. TODO: delete them for good
-        advancedSettings.removePreference(findPreference(PREF_BIGRAM_SUGGESTION));
-        advancedSettings.removePreference(findPreference(PREF_KEY_ENABLE_SPAN_INSERT));
         if (!VibratorUtils.getInstance(context).hasVibrator()) {
             generalSettings.removePreference(findPreference(PREF_VIBRATE_ON));
             if (null != advancedSettings) { // Theoretically advancedSettings cannot be null
@@ -161,19 +152,30 @@ public class Settings extends InputMethodSettingsFragment
             }
         }
 
-        final boolean showPopupOption = res.getBoolean(
+        final boolean showKeyPreviewPopupOption = res.getBoolean(
                 R.bool.config_enable_show_popup_on_keypress_option);
-        if (!showPopupOption) {
+        mKeyPreviewPopupDismissDelay =
+                (ListPreference) findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
+        if (!showKeyPreviewPopupOption) {
             generalSettings.removePreference(findPreference(PREF_POPUP_ON));
-        }
-
-        final boolean showBigramSuggestionsOption = res.getBoolean(
-                R.bool.config_enable_next_word_suggestions_option);
-        if (!showBigramSuggestionsOption) {
-            textCorrectionGroup.removePreference(mBigramSuggestion);
-            if (null != mBigramPrediction) {
-                textCorrectionGroup.removePreference(mBigramPrediction);
+            if (null != advancedSettings) { // Theoretically advancedSettings cannot be null
+                advancedSettings.removePreference(mKeyPreviewPopupDismissDelay);
+            }
+        } else {
+            final String[] entries = new String[] {
+                    res.getString(R.string.key_preview_popup_dismiss_no_delay),
+                    res.getString(R.string.key_preview_popup_dismiss_default_delay),
+            };
+            final String popupDismissDelayDefaultValue = Integer.toString(res.getInteger(
+                    R.integer.config_key_preview_linger_timeout));
+            mKeyPreviewPopupDismissDelay.setEntries(entries);
+            mKeyPreviewPopupDismissDelay.setEntryValues(
+                    new String[] { "0", popupDismissDelayDefaultValue });
+            if (null == mKeyPreviewPopupDismissDelay.getValue()) {
+                mKeyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue);
             }
+            mKeyPreviewPopupDismissDelay.setEnabled(
+                    SettingsValues.isKeyPreviewPopupEnabled(prefs, res));
         }
 
         final CheckBoxPreference includeOtherImesInLanguageSwitchList =
@@ -181,23 +183,6 @@ public class Settings extends InputMethodSettingsFragment
         includeOtherImesInLanguageSwitchList.setEnabled(
                 !SettingsValues.isLanguageSwitchKeySupressed(prefs));
 
-        mKeyPreviewPopupDismissDelay =
-                (ListPreference)findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
-        final String[] entries = new String[] {
-                res.getString(R.string.key_preview_popup_dismiss_no_delay),
-                res.getString(R.string.key_preview_popup_dismiss_default_delay),
-        };
-        final String popupDismissDelayDefaultValue = Integer.toString(res.getInteger(
-                R.integer.config_key_preview_linger_timeout));
-        mKeyPreviewPopupDismissDelay.setEntries(entries);
-        mKeyPreviewPopupDismissDelay.setEntryValues(
-                new String[] { "0", popupDismissDelayDefaultValue });
-        if (null == mKeyPreviewPopupDismissDelay.getValue()) {
-            mKeyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue);
-        }
-        mKeyPreviewPopupDismissDelay.setEnabled(
-                SettingsValues.isKeyPreviewPopupEnabled(prefs, res));
-
         final PreferenceScreen dictionaryLink =
                 (PreferenceScreen) findPreference(PREF_CONFIGURE_DICTIONARIES_KEY);
         final Intent intent = dictionaryLink.getIntent();
@@ -323,13 +308,15 @@ public class Settings extends InputMethodSettingsFragment
 
     private void updateKeyPreviewPopupDelaySummary() {
         final ListPreference lp = mKeyPreviewPopupDismissDelay;
-        lp.setSummary(lp.getEntries()[lp.findIndexOfValue(lp.getValue())]);
+        final CharSequence[] entries = lp.getEntries();
+        if (entries == null || entries.length <= 0) return;
+        lp.setSummary(entries[lp.findIndexOfValue(lp.getValue())]);
     }
 
     private void updateVoiceModeSummary() {
         mVoicePreference.setSummary(
                 getResources().getStringArray(R.array.voice_input_modes_summary)
-                [mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]);
+                        [mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]);
     }
 
     private void refreshEnablingsOfKeypressSoundAndVibrationSettings(
diff --git a/java/src/com/android/inputmethod/latin/SettingsValues.java b/java/src/com/android/inputmethod/latin/SettingsValues.java
index b07c3e59f..aab84fccd 100644
--- a/java/src/com/android/inputmethod/latin/SettingsValues.java
+++ b/java/src/com/android/inputmethod/latin/SettingsValues.java
@@ -18,6 +18,7 @@ package com.android.inputmethod.latin;
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.util.Log;
 import android.view.inputmethod.EditorInfo;
@@ -29,7 +30,6 @@ import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
-import java.util.Map;
 
 /**
  * When you call the constructor of this class, you may want to change the current system locale by
@@ -38,6 +38,19 @@ import java.util.Map;
 public class SettingsValues {
     private static final String TAG = SettingsValues.class.getSimpleName();
 
+    private static final int SUGGESTION_VISIBILITY_SHOW_VALUE
+            = R.string.prefs_suggestion_visibility_show_value;
+    private static final int SUGGESTION_VISIBILITY_SHOW_ONLY_PORTRAIT_VALUE
+            = R.string.prefs_suggestion_visibility_show_only_portrait_value;
+    private static final int SUGGESTION_VISIBILITY_HIDE_VALUE
+            = R.string.prefs_suggestion_visibility_hide_value;
+
+    private static final int[] SUGGESTION_VISIBILITY_VALUE_ARRAY = new int[] {
+        SUGGESTION_VISIBILITY_SHOW_VALUE,
+        SUGGESTION_VISIBILITY_SHOW_ONLY_PORTRAIT_VALUE,
+        SUGGESTION_VISIBILITY_HIDE_VALUE
+    };
+
     // From resources:
     public final int mDelayUpdateOldSuggestions;
     public final String mWeakSpaceStrippers;
@@ -63,27 +76,30 @@ public class SettingsValues {
     @SuppressWarnings("unused") // TODO: Use this
     private final String mKeyPreviewPopupDismissDelayRawValue;
     public final boolean mUseContactsDict;
-    // Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary
-    public final boolean mBigramSuggestionEnabled;
-    // Prediction: use bigrams to predict the next word when there is no input for it yet
+    // Use bigrams to predict the next word when there is no input for it yet
     public final boolean mBigramPredictionEnabled;
-    public final boolean mEnableSuggestionSpanInsertion;
     @SuppressWarnings("unused") // TODO: Use this
     private final int mVibrationDurationSettingsRawValue;
     @SuppressWarnings("unused") // TODO: Use this
     private final float mKeypressSoundVolumeRawValue;
     private final InputMethodSubtype[] mAdditionalSubtypes;
 
+    // From the input box
+    private final InputAttributes mInputAttributes;
+
     // Deduced settings
     public final int mKeypressVibrationDuration;
     public final float mFxVolume;
     public final int mKeyPreviewPopupDismissDelay;
-    public final boolean mAutoCorrectEnabled;
+    private final boolean mAutoCorrectEnabled;
     public final float mAutoCorrectionThreshold;
+    public final boolean mCorrectionEnabled;
+    public final int mSuggestionVisibility;
     private final boolean mVoiceKeyEnabled;
     private final boolean mVoiceKeyOnMain;
 
-    public SettingsValues(final SharedPreferences prefs, final Context context) {
+    public SettingsValues(final SharedPreferences prefs, final InputAttributes inputAttributes,
+            final Context context) {
         final Resources res = context.getResources();
 
         // Get the resources
@@ -109,6 +125,13 @@ public class SettingsValues {
                 mSymbolsExcludedFromWordSeparators, res);
         mHintToSaveText = context.getText(R.string.hint_add_to_dictionary);
 
+        // Store the input attributes
+        if (null == inputAttributes) {
+            mInputAttributes = new InputAttributes(null, false /* isFullscreenMode */);
+        } else {
+            mInputAttributes = inputAttributes;
+        }
+
         // Get the settings preferences
         mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true);
         mVibrateOn = isVibrateOn(context, prefs, res);
@@ -131,12 +154,7 @@ public class SettingsValues {
                 Integer.toString(res.getInteger(R.integer.config_key_preview_linger_timeout)));
         mUseContactsDict = prefs.getBoolean(Settings.PREF_KEY_USE_CONTACTS_DICT, true);
         mAutoCorrectEnabled = isAutoCorrectEnabled(res, mAutoCorrectionThresholdRawValue);
-        mBigramSuggestionEnabled = mAutoCorrectEnabled
-                && isBigramSuggestionEnabled(prefs, res, mAutoCorrectEnabled);
-        mBigramPredictionEnabled = mBigramSuggestionEnabled
-                && isBigramPredictionEnabled(prefs, res);
-        // TODO: remove mEnableSuggestionSpanInsertion. It's always true.
-        mEnableSuggestionSpanInsertion = true;
+        mBigramPredictionEnabled = isBigramPredictionEnabled(prefs, res);
         mVibrationDurationSettingsRawValue =
                 prefs.getInt(Settings.PREF_VIBRATION_DURATION_SETTINGS, -1);
         mKeypressSoundVolumeRawValue = prefs.getFloat(Settings.PREF_KEYPRESS_SOUND_VOLUME, -1.0f);
@@ -151,22 +169,23 @@ public class SettingsValues {
         mVoiceKeyOnMain = mVoiceMode != null && mVoiceMode.equals(voiceModeMain);
         mAdditionalSubtypes = AdditionalSubtype.createAdditionalSubtypesArray(
                 getPrefAdditionalSubtypes(prefs, res));
+        mCorrectionEnabled = mAutoCorrectEnabled && !mInputAttributes.mInputTypeNoAutoCorrect;
+        mSuggestionVisibility = createSuggestionVisibility(res);
     }
 
     // Helper functions to create member values.
     private static SuggestedWords createSuggestPuncList(final String[] puncs) {
-        final ArrayList<SuggestedWords.SuggestedWordInfo> puncList =
-                new ArrayList<SuggestedWords.SuggestedWordInfo>();
+        final ArrayList<SuggestedWordInfo> puncList = new ArrayList<SuggestedWordInfo>();
         if (puncs != null) {
             for (final String puncSpec : puncs) {
-                puncList.add(new SuggestedWords.SuggestedWordInfo(
-                        KeySpecParser.getLabel(puncSpec), SuggestedWordInfo.MAX_SCORE));
+                puncList.add(new SuggestedWordInfo(KeySpecParser.getLabel(puncSpec),
+                        SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_HARDCODED,
+                        Dictionary.TYPE_HARDCODED));
             }
         }
         return new SuggestedWords(puncList,
                 false /* typedWordValid */,
                 false /* hasAutoCorrectionCandidate */,
-                false /* allowsToBeAutoCorrected */,
                 true /* isPunctuationSuggestions */,
                 false /* isObsoleteSuggestions */,
                 false /* isPrediction */);
@@ -184,6 +203,16 @@ public class SettingsValues {
         return wordSeparators;
     }
 
+    private int createSuggestionVisibility(final Resources res) {
+        final String suggestionVisiblityStr = mShowSuggestionsSetting;
+        for (int visibility : SUGGESTION_VISIBILITY_VALUE_ARRAY) {
+            if (suggestionVisiblityStr.equals(res.getString(visibility))) {
+                return visibility;
+            }
+        }
+        throw new RuntimeException("Bug: visibility string is not configured correctly");
+    }
+
     private static boolean isVibrateOn(final Context context, final SharedPreferences prefs,
             final Resources res) {
         final boolean hasVibrator = VibratorUtils.getInstance(context).hasVibrator();
@@ -191,6 +220,26 @@ public class SettingsValues {
                 res.getBoolean(R.bool.config_default_vibration_enabled));
     }
 
+    public boolean isApplicationSpecifiedCompletionsOn() {
+        return mInputAttributes.mApplicationSpecifiedCompletionOn;
+    }
+
+    public boolean isEditorActionNext() {
+        return mInputAttributes.mEditorAction == EditorInfo.IME_ACTION_NEXT;
+    }
+
+    public boolean isSuggestionsRequested(final int displayOrientation) {
+        return mInputAttributes.mIsSettingsSuggestionStripOn
+                && (mCorrectionEnabled
+                        || isSuggestionStripVisibleInOrientation(displayOrientation));
+    }
+
+    public boolean isSuggestionStripVisibleInOrientation(final int orientation) {
+        return (mSuggestionVisibility == SUGGESTION_VISIBILITY_SHOW_VALUE)
+                || (mSuggestionVisibility == SUGGESTION_VISIBILITY_SHOW_ONLY_PORTRAIT_VALUE
+                        && orientation == Configuration.ORIENTATION_PORTRAIT);
+    }
+
     public boolean isWordSeparator(int code) {
         return mWordSeparators.contains(String.valueOf((char)code));
     }
@@ -240,12 +289,6 @@ public class SettingsValues {
                         R.integer.config_key_preview_linger_timeout))));
     }
 
-    private static boolean isBigramSuggestionEnabled(final SharedPreferences sp,
-            final Resources resources, final boolean autoCorrectEnabled) {
-        // TODO: remove this method. Bigram suggestion is always true.
-        return true;
-    }
-
     private static boolean isBigramPredictionEnabled(final SharedPreferences sp,
             final Resources resources) {
         return sp.getBoolean(Settings.PREF_BIGRAM_PREDICTIONS, resources.getBoolean(
@@ -367,4 +410,9 @@ public class SettingsValues {
         final String newStr = Utils.localeAndTimeHashMapToStr(map);
         prefs.edit().putString(Settings.PREF_LAST_USER_DICTIONARY_WRITE_TIME, newStr).apply();
     }
+
+    // For debug.
+    public String getInputAttributesDebugString() {
+        return mInputAttributes.toString();
+    }
 }
diff --git a/java/src/com/android/inputmethod/latin/StringUtils.java b/java/src/com/android/inputmethod/latin/StringUtils.java
index a43b90525..6e7d985d6 100644
--- a/java/src/com/android/inputmethod/latin/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/StringUtils.java
@@ -184,6 +184,9 @@ public class StringUtils {
         final char[] characters = string.toCharArray();
         final int length = characters.length;
         final int[] codePoints = new int[Character.codePointCount(characters, 0, length)];
+        if (length <= 0) {
+            return new int[0];
+        }
         int codePoint = Character.codePointAt(characters, 0);
         int dsti = 0;
         for (int srci = Character.charCount(codePoint);
diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java
index 336a76f4b..70751c107 100644
--- a/java/src/com/android/inputmethod/latin/Suggest.java
+++ b/java/src/com/android/inputmethod/latin/Suggest.java
@@ -26,6 +26,7 @@ import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.HashSet;
 import java.util.Locale;
 import java.util.concurrent.ConcurrentHashMap;
@@ -34,79 +35,49 @@ import java.util.concurrent.ConcurrentHashMap;
  * This class loads a dictionary and provides a list of suggestions for a given sequence of
  * characters. This includes corrections and completions.
  */
-public class Suggest implements Dictionary.WordCallback {
+public class Suggest {
     public static final String TAG = Suggest.class.getSimpleName();
 
-    public static final int APPROX_MAX_WORD_LENGTH = 32;
-
+    // TODO: rename this to CORRECTION_OFF
     public static final int CORRECTION_NONE = 0;
+    // TODO: rename this to CORRECTION_ON
     public static final int CORRECTION_FULL = 1;
-    public static final int CORRECTION_FULL_BIGRAM = 2;
-
-    // It seems the following values are only used for logging.
-    public static final int DIC_USER_TYPED = 0;
-    public static final int DIC_MAIN = 1;
-    public static final int DIC_USER = 2;
-    public static final int DIC_USER_HISTORY = 3;
-    public static final int DIC_CONTACTS = 4;
-    public static final int DIC_WHITELIST = 6;
-    // If you add a type of dictionary, increment DIC_TYPE_LAST_ID
-    // TODO: this value seems unused. Remove it?
-    public static final int DIC_TYPE_LAST_ID = 6;
-    public static final String DICT_KEY_MAIN = "main";
-    public static final String DICT_KEY_CONTACTS = "contacts";
-    // User dictionary, the system-managed one.
-    public static final String DICT_KEY_USER = "user";
-    // User history dictionary for the unigram map, internal to LatinIME
-    public static final String DICT_KEY_USER_HISTORY_UNIGRAM = "history_unigram";
-    // User history dictionary for the bigram map, internal to LatinIME
-    public static final String DICT_KEY_USER_HISTORY_BIGRAM = "history_bigram";
-    public static final String DICT_KEY_WHITELIST ="whitelist";
 
     private static final boolean DBG = LatinImeLogger.sDBG;
 
-    private boolean mHasMainDictionary;
-    private Dictionary mContactsDict;
+    private Dictionary mMainDictionary;
+    private ContactsBinaryDictionary mContactsDict;
     private WhitelistDictionary mWhiteListDictionary;
-    private final ConcurrentHashMap<String, Dictionary> mUnigramDictionaries =
-            new ConcurrentHashMap<String, Dictionary>();
-    private final ConcurrentHashMap<String, Dictionary> mBigramDictionaries =
+    private final ConcurrentHashMap<String, Dictionary> mDictionaries =
             new ConcurrentHashMap<String, Dictionary>();
 
-    private int mPrefMaxSuggestions = 18;
-
-    private static final int PREF_MAX_BIGRAMS = 60;
+    public static final int MAX_SUGGESTIONS = 18;
 
     private float mAutoCorrectionThreshold;
 
-    private ArrayList<SuggestedWordInfo> mSuggestions = new ArrayList<SuggestedWordInfo>();
-    private ArrayList<SuggestedWordInfo> mBigramSuggestions = new ArrayList<SuggestedWordInfo>();
-    private CharSequence mConsideredWord;
-
-    // TODO: Remove these member variables by passing more context to addWord() callback method
-    private boolean mIsFirstCharCapitalized;
-    private boolean mIsAllUpperCase;
-    private int mTrailingSingleQuotesCount;
+    // Locale used for upper- and title-casing words
+    final private Locale mLocale;
 
     private static final int MINIMUM_SAFETY_NET_CHAR_LENGTH = 4;
 
     public Suggest(final Context context, final Locale locale) {
         initAsynchronously(context, locale);
+        mLocale = locale;
     }
 
     /* package for test */ Suggest(final Context context, final File dictionary,
             final long startOffset, final long length, final Locale locale) {
         final Dictionary mainDict = DictionaryFactory.createDictionaryForTest(context, dictionary,
                 startOffset, length /* useFullEditDistance */, false, locale);
-        mHasMainDictionary = null != mainDict;
-        addOrReplaceDictionary(mUnigramDictionaries, DICT_KEY_MAIN, mainDict);
-        addOrReplaceDictionary(mBigramDictionaries, DICT_KEY_MAIN, mainDict);
+        mLocale = locale;
+        mMainDictionary = mainDict;
+        addOrReplaceDictionary(mDictionaries, Dictionary.TYPE_MAIN, mainDict);
         initWhitelistAndAutocorrectAndPool(context, locale);
     }
 
     private void initWhitelistAndAutocorrectAndPool(final Context context, final Locale locale) {
         mWhiteListDictionary = new WhitelistDictionary(context, locale);
-        addOrReplaceDictionary(mUnigramDictionaries, DICT_KEY_WHITELIST, mWhiteListDictionary);
+        addOrReplaceDictionary(mDictionaries, Dictionary.TYPE_WHITELIST, mWhiteListDictionary);
     }
 
     private void initAsynchronously(final Context context, final Locale locale) {
@@ -129,15 +100,14 @@ public class Suggest implements Dictionary.WordCallback {
     }
 
     public void resetMainDict(final Context context, final Locale locale) {
-        mHasMainDictionary = false;
+        mMainDictionary = null;
         new Thread("InitializeBinaryDictionary") {
             @Override
             public void run() {
                 final DictionaryCollection newMainDict =
                         DictionaryFactory.createMainDictionaryFromManager(context, locale);
-                mHasMainDictionary = null != newMainDict && !newMainDict.isEmpty();
-                addOrReplaceDictionary(mUnigramDictionaries, DICT_KEY_MAIN, newMainDict);
-                addOrReplaceDictionary(mBigramDictionaries, DICT_KEY_MAIN, newMainDict);
+                addOrReplaceDictionary(mDictionaries, Dictionary.TYPE_MAIN, newMainDict);
+                mMainDictionary = newMainDict;
             }
         }.start();
     }
@@ -145,27 +115,27 @@ public class Suggest implements Dictionary.WordCallback {
     // The main dictionary could have been loaded asynchronously.  Don't cache the return value
     // of this method.
     public boolean hasMainDictionary() {
-        return mHasMainDictionary;
+        return null != mMainDictionary && mMainDictionary.isInitialized();
     }
 
-    public Dictionary getContactsDictionary() {
-        return mContactsDict;
+    public Dictionary getMainDictionary() {
+        return mMainDictionary;
     }
 
-    public ConcurrentHashMap<String, Dictionary> getUnigramDictionaries() {
-        return mUnigramDictionaries;
+    public ContactsBinaryDictionary getContactsDictionary() {
+        return mContactsDict;
     }
 
-    public static int getApproxMaxWordLength() {
-        return APPROX_MAX_WORD_LENGTH;
+    public ConcurrentHashMap<String, Dictionary> getUnigramDictionaries() {
+        return mDictionaries;
     }
 
     /**
      * Sets an optional user dictionary resource to be loaded. The user dictionary is consulted
      * before the main dictionary, if set. This refers to the system-managed user dictionary.
      */
-    public void setUserDictionary(Dictionary userDictionary) {
-        addOrReplaceDictionary(mUnigramDictionaries, DICT_KEY_USER, userDictionary);
+    public void setUserDictionary(UserBinaryDictionary userDictionary) {
+        addOrReplaceDictionary(mDictionaries, Dictionary.TYPE_USER, userDictionary);
     }
 
     /**
@@ -173,184 +143,137 @@ public class Suggest implements Dictionary.WordCallback {
      * the contacts dictionary by passing null to this method. In this case no contacts dictionary
      * won't be used.
      */
-    public void setContactsDictionary(Dictionary contactsDictionary) {
+    public void setContactsDictionary(ContactsBinaryDictionary contactsDictionary) {
         mContactsDict = contactsDictionary;
-        addOrReplaceDictionary(mUnigramDictionaries, DICT_KEY_CONTACTS, contactsDictionary);
-        addOrReplaceDictionary(mBigramDictionaries, DICT_KEY_CONTACTS, contactsDictionary);
+        addOrReplaceDictionary(mDictionaries, Dictionary.TYPE_CONTACTS, contactsDictionary);
     }
 
-    public void setUserHistoryDictionary(Dictionary userHistoryDictionary) {
-        addOrReplaceDictionary(mUnigramDictionaries, DICT_KEY_USER_HISTORY_UNIGRAM,
-                userHistoryDictionary);
-        addOrReplaceDictionary(mBigramDictionaries, DICT_KEY_USER_HISTORY_BIGRAM,
-                userHistoryDictionary);
+    public void setUserHistoryDictionary(UserHistoryDictionary userHistoryDictionary) {
+        addOrReplaceDictionary(mDictionaries, Dictionary.TYPE_USER_HISTORY, userHistoryDictionary);
     }
 
     public void setAutoCorrectionThreshold(float threshold) {
         mAutoCorrectionThreshold = threshold;
     }
 
-    private static CharSequence capitalizeWord(final boolean all, final boolean first,
-            final CharSequence word) {
-        if (TextUtils.isEmpty(word) || !(all || first)) return word;
-        final int wordLength = word.length();
-        final StringBuilder sb = new StringBuilder(getApproxMaxWordLength());
-        // TODO: Must pay attention to locale when changing case.
-        if (all) {
-            sb.append(word.toString().toUpperCase());
-        } else if (first) {
-            sb.append(Character.toUpperCase(word.charAt(0)));
-            if (wordLength > 1) {
-                sb.append(word.subSequence(1, wordLength));
-            }
-        }
-        return sb;
-    }
-
-    protected void addBigramToSuggestions(SuggestedWordInfo bigram) {
-        mSuggestions.add(bigram);
-    }
-
-    private static final WordComposer sEmptyWordComposer = new WordComposer();
-    public SuggestedWords getBigramPredictions(CharSequence prevWordForBigram) {
-        LatinImeLogger.onStartSuggestion(prevWordForBigram);
-        mIsFirstCharCapitalized = false;
-        mIsAllUpperCase = false;
-        mTrailingSingleQuotesCount = 0;
-        mSuggestions = new ArrayList<SuggestedWordInfo>(mPrefMaxSuggestions);
-
-        // Treating USER_TYPED as UNIGRAM suggestion for logging now.
-        LatinImeLogger.onAddSuggestedWord("", Suggest.DIC_USER_TYPED, Dictionary.UNIGRAM);
-        mConsideredWord = "";
-
-        mBigramSuggestions = new ArrayList<SuggestedWordInfo>(PREF_MAX_BIGRAMS);
-
-        getAllBigrams(prevWordForBigram, sEmptyWordComposer);
-
-        // Nothing entered: return all bigrams for the previous word
-        int insertCount = Math.min(mBigramSuggestions.size(), mPrefMaxSuggestions);
-        for (int i = 0; i < insertCount; ++i) {
-            addBigramToSuggestions(mBigramSuggestions.get(i));
-        }
-
-        SuggestedWordInfo.removeDups(mSuggestions);
-
-        return new SuggestedWords(mSuggestions,
-                false /* typedWordValid */,
-                false /* hasAutoCorrectionCandidate */,
-                false /* allowsToBeAutoCorrected */,
-                false /* isPunctuationSuggestions */,
-                false /* isObsoleteSuggestions */,
-                true /* isPrediction */);
-    }
-
     // TODO: cleanup dictionaries looking up and suggestions building with SuggestedWords.Builder
     public SuggestedWords getSuggestedWords(
             final WordComposer wordComposer, CharSequence prevWordForBigram,
-            final ProximityInfo proximityInfo, final int correctionMode) {
+            final ProximityInfo proximityInfo, final boolean isCorrectionEnabled,
+            // TODO: remove isPrediction parameter. It effectively means the same thing
+            // as wordComposer.size() <= 1
+            final boolean isPrediction) {
         LatinImeLogger.onStartSuggestion(prevWordForBigram);
-        mIsFirstCharCapitalized = wordComposer.isFirstCharCapitalized();
-        mIsAllUpperCase = wordComposer.isAllUpperCase();
-        mTrailingSingleQuotesCount = wordComposer.trailingSingleQuotesCount();
-        mSuggestions = new ArrayList<SuggestedWordInfo>(mPrefMaxSuggestions);
+        final boolean isFirstCharCapitalized =
+                !isPrediction && wordComposer.isFirstCharCapitalized();
+        final boolean isAllUpperCase = !isPrediction && wordComposer.isAllUpperCase();
+        final int trailingSingleQuotesCount = wordComposer.trailingSingleQuotesCount();
+        final BoundedTreeSet suggestionsSet = new BoundedTreeSet(sSuggestedWordInfoComparator,
+                MAX_SUGGESTIONS);
 
         final String typedWord = wordComposer.getTypedWord();
-        final String consideredWord = mTrailingSingleQuotesCount > 0
-                ? typedWord.substring(0, typedWord.length() - mTrailingSingleQuotesCount)
+        final String consideredWord = trailingSingleQuotesCount > 0
+                ? typedWord.substring(0, typedWord.length() - trailingSingleQuotesCount)
                 : typedWord;
-        // Treating USER_TYPED as UNIGRAM suggestion for logging now.
-        LatinImeLogger.onAddSuggestedWord(typedWord, Suggest.DIC_USER_TYPED, Dictionary.UNIGRAM);
-        mConsideredWord = consideredWord;
+        LatinImeLogger.onAddSuggestedWord(typedWord, Dictionary.TYPE_USER_TYPED);
 
-        if (wordComposer.size() <= 1 && (correctionMode == CORRECTION_FULL_BIGRAM)) {
+        if (wordComposer.size() <= 1 && isCorrectionEnabled) {
             // At first character typed, search only the bigrams
-            mBigramSuggestions = new ArrayList<SuggestedWordInfo>(PREF_MAX_BIGRAMS);
-
             if (!TextUtils.isEmpty(prevWordForBigram)) {
-                getAllBigrams(prevWordForBigram, wordComposer);
-                if (TextUtils.isEmpty(consideredWord)) {
-                    // Nothing entered: return all bigrams for the previous word
-                    int insertCount = Math.min(mBigramSuggestions.size(), mPrefMaxSuggestions);
-                    for (int i = 0; i < insertCount; ++i) {
-                        addBigramToSuggestions(mBigramSuggestions.get(i));
-                    }
-                } else {
-                    // Word entered: return only bigrams that match the first char of the typed word
-                    final char currentChar = consideredWord.charAt(0);
+                final CharSequence lowerPrevWord;
+                if (StringUtils.hasUpperCase(prevWordForBigram)) {
                     // TODO: Must pay attention to locale when changing case.
-                    // TODO: Use codepoint instead of char
-                    final char currentCharUpper = Character.toUpperCase(currentChar);
-                    int count = 0;
-                    final int bigramSuggestionSize = mBigramSuggestions.size();
-                    for (int i = 0; i < bigramSuggestionSize; i++) {
-                        final SuggestedWordInfo bigramSuggestion = mBigramSuggestions.get(i);
-                        final char bigramSuggestionFirstChar =
-                                (char)bigramSuggestion.codePointAt(0);
-                        if (bigramSuggestionFirstChar == currentChar
-                                || bigramSuggestionFirstChar == currentCharUpper) {
-                            addBigramToSuggestions(bigramSuggestion);
-                            if (++count > mPrefMaxSuggestions) break;
-                        }
+                    lowerPrevWord = prevWordForBigram.toString().toLowerCase();
+                } else {
+                    lowerPrevWord = null;
+                }
+                for (final String key : mDictionaries.keySet()) {
+                    final Dictionary dictionary = mDictionaries.get(key);
+                    suggestionsSet.addAll(dictionary.getBigrams(wordComposer, prevWordForBigram));
+                    if (null != lowerPrevWord) {
+                        suggestionsSet.addAll(dictionary.getBigrams(wordComposer, lowerPrevWord));
                     }
                 }
             }
-
         } else if (wordComposer.size() > 1) {
             final WordComposer wordComposerForLookup;
-            if (mTrailingSingleQuotesCount > 0) {
+            if (trailingSingleQuotesCount > 0) {
                 wordComposerForLookup = new WordComposer(wordComposer);
-                for (int i = mTrailingSingleQuotesCount - 1; i >= 0; --i) {
+                for (int i = trailingSingleQuotesCount - 1; i >= 0; --i) {
                     wordComposerForLookup.deleteLast();
                 }
             } else {
                 wordComposerForLookup = wordComposer;
             }
             // At second character typed, search the unigrams (scores being affected by bigrams)
-            for (final String key : mUnigramDictionaries.keySet()) {
+            for (final String key : mDictionaries.keySet()) {
                 // Skip UserUnigramDictionary and WhitelistDictionary to lookup
-                if (key.equals(DICT_KEY_USER_HISTORY_UNIGRAM) || key.equals(DICT_KEY_WHITELIST))
+                if (key.equals(Dictionary.TYPE_USER_HISTORY)
+                        || key.equals(Dictionary.TYPE_WHITELIST))
                     continue;
-                final Dictionary dictionary = mUnigramDictionaries.get(key);
-                dictionary.getWords(wordComposerForLookup, prevWordForBigram, this, proximityInfo);
+                final Dictionary dictionary = mDictionaries.get(key);
+                suggestionsSet.addAll(dictionary.getWords(
+                        wordComposerForLookup, prevWordForBigram, proximityInfo));
             }
         }
 
-        final CharSequence whitelistedWord = capitalizeWord(mIsAllUpperCase,
-                mIsFirstCharCapitalized, mWhiteListDictionary.getWhitelistedWord(consideredWord));
+        final CharSequence whitelistedWord =
+                mWhiteListDictionary.getWhitelistedWord(consideredWord);
 
         final boolean hasAutoCorrection;
-        if (CORRECTION_FULL == correctionMode || CORRECTION_FULL_BIGRAM == correctionMode) {
-            final CharSequence autoCorrection =
-                    AutoCorrection.computeAutoCorrectionWord(mUnigramDictionaries, wordComposer,
-                            mSuggestions, consideredWord, mAutoCorrectionThreshold,
-                            whitelistedWord);
-            hasAutoCorrection = (null != autoCorrection);
+        if (!isCorrectionEnabled || wordComposer.isMostlyCaps() || wordComposer.isResumed()) {
+            hasAutoCorrection = false;
+        } else if (null != whitelistedWord) {
+            hasAutoCorrection = true;
+        } else if (!AutoCorrection.isWhitelistedOrNotAWord(
+                mDictionaries, consideredWord, wordComposer.isFirstCharCapitalized())) {
+            hasAutoCorrection = true;
+        } else if (suggestionsSet.isEmpty()) {
+            hasAutoCorrection = false;
+        } else if (AutoCorrection.suggestionExceedsAutoCorrectionThreshold(suggestionsSet.first(),
+                consideredWord, mAutoCorrectionThreshold)) {
+            hasAutoCorrection = !shouldBlockAutoCorrectionBySafetyNet(typedWord,
+                    suggestionsSet.first().mWord);
         } else {
             hasAutoCorrection = false;
         }
 
         if (whitelistedWord != null) {
-            if (mTrailingSingleQuotesCount > 0) {
-                final StringBuilder sb = new StringBuilder(whitelistedWord);
-                for (int i = mTrailingSingleQuotesCount - 1; i >= 0; --i) {
-                    sb.appendCodePoint(Keyboard.CODE_SINGLE_QUOTE);
-                }
-                mSuggestions.add(0, new SuggestedWordInfo(
-                        sb.toString(), SuggestedWordInfo.MAX_SCORE));
-            } else {
-                mSuggestions.add(0, new SuggestedWordInfo(
-                        whitelistedWord, SuggestedWordInfo.MAX_SCORE));
+            suggestionsSet.add(new SuggestedWordInfo(whitelistedWord,
+                    SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_WHITELIST,
+                    Dictionary.TYPE_WHITELIST));
+        }
+
+        final ArrayList<SuggestedWordInfo> suggestionsContainer =
+                new ArrayList<SuggestedWordInfo>(suggestionsSet);
+        final int suggestionsCount = suggestionsContainer.size();
+        if (isFirstCharCapitalized || isAllUpperCase || 0 != trailingSingleQuotesCount) {
+            for (int i = 0; i < suggestionsCount; ++i) {
+                final SuggestedWordInfo wordInfo = suggestionsContainer.get(i);
+                final SuggestedWordInfo transformedWordInfo = getTransformedSuggestedWordInfo(
+                        wordInfo, mLocale, isAllUpperCase, isFirstCharCapitalized,
+                        trailingSingleQuotesCount);
+                suggestionsContainer.set(i, transformedWordInfo);
             }
         }
 
-        mSuggestions.add(0, new SuggestedWordInfo(typedWord, SuggestedWordInfo.MAX_SCORE));
-        SuggestedWordInfo.removeDups(mSuggestions);
+        for (int i = 0; i < suggestionsCount; ++i) {
+            final SuggestedWordInfo wordInfo = suggestionsContainer.get(i);
+            LatinImeLogger.onAddSuggestedWord(wordInfo.mWord.toString(), wordInfo.mSourceDict);
+        }
+
+        if (!TextUtils.isEmpty(typedWord)) {
+            suggestionsContainer.add(0, new SuggestedWordInfo(typedWord,
+                    SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_TYPED,
+                    Dictionary.TYPE_USER_TYPED));
+        }
+        SuggestedWordInfo.removeDups(suggestionsContainer);
 
         final ArrayList<SuggestedWordInfo> suggestionsList;
-        if (DBG) {
-            suggestionsList = getSuggestionsInfoListWithDebugInfo(typedWord, mSuggestions);
+        if (DBG && !suggestionsContainer.isEmpty()) {
+            suggestionsList = getSuggestionsInfoListWithDebugInfo(typedWord, suggestionsContainer);
         } else {
-            suggestionsList = mSuggestions;
+            suggestionsList = suggestionsContainer;
         }
 
         // TODO: Change this scheme - a boolean is not enough. A whitelisted word may be "valid"
@@ -358,51 +281,24 @@ public class Suggest implements Dictionary.WordCallback {
         // The whitelist should be case-insensitive, so it's not possible to be consistent with
         // a boolean flag. Right now this is handled with a slight hack in
         // WhitelistDictionary#shouldForciblyAutoCorrectFrom.
-        final boolean allowsToBeAutoCorrected = AutoCorrection.allowsToBeAutoCorrected(
+        final boolean allowsToBeAutoCorrected = AutoCorrection.isWhitelistedOrNotAWord(
                 getUnigramDictionaries(), consideredWord, wordComposer.isFirstCharCapitalized())
         // If we don't have a main dictionary, we never want to auto-correct. The reason for this
         // is, the user may have a contact whose name happens to match a valid word in their
         // language, and it will unexpectedly auto-correct. For example, if the user types in
         // English with no dictionary and has a "Will" in their contact list, "will" would
         // always auto-correct to "Will" which is unwanted. Hence, no main dict => no auto-correct.
-                && mHasMainDictionary;
+                && hasMainDictionary();
 
-        boolean autoCorrectionAvailable = hasAutoCorrection;
-        if (correctionMode == CORRECTION_FULL || correctionMode == CORRECTION_FULL_BIGRAM) {
-            autoCorrectionAvailable |= !allowsToBeAutoCorrected;
-        }
-        // Don't auto-correct words with multiple capital letter
-        autoCorrectionAvailable &= !wordComposer.isMostlyCaps();
-        autoCorrectionAvailable &= !wordComposer.isResumed();
-        if (allowsToBeAutoCorrected && suggestionsList.size() > 1 && mAutoCorrectionThreshold > 0
-                && Suggest.shouldBlockAutoCorrectionBySafetyNet(typedWord,
-                        suggestionsList.get(1).mWord)) {
-            autoCorrectionAvailable = false;
-        }
         return new SuggestedWords(suggestionsList,
-                !allowsToBeAutoCorrected /* typedWordValid */,
-                autoCorrectionAvailable /* hasAutoCorrectionCandidate */,
-                allowsToBeAutoCorrected /* allowsToBeAutoCorrected */,
+                // TODO: this first argument is lying. If this is a whitelisted word which is an
+                // actual word, it says typedWordValid = false, which looks wrong. We should either
+                // rename the attribute or change the value.
+                !isPrediction && !allowsToBeAutoCorrected /* typedWordValid */,
+                !isPrediction && hasAutoCorrection, /* hasAutoCorrectionCandidate */
                 false /* isPunctuationSuggestions */,
                 false /* isObsoleteSuggestions */,
-                false /* isPrediction */);
-    }
-
-    /**
-     * Adds all bigram predictions for prevWord. Also checks the lower case version of prevWord if
-     * it contains any upper case characters.
-     */
-    private void getAllBigrams(final CharSequence prevWord, final WordComposer wordComposer) {
-        if (StringUtils.hasUpperCase(prevWord)) {
-            // TODO: Must pay attention to locale when changing case.
-            final CharSequence lowerPrevWord = prevWord.toString().toLowerCase();
-            for (final Dictionary dictionary : mBigramDictionaries.values()) {
-                dictionary.getBigrams(wordComposer, lowerPrevWord, this);
-            }
-        }
-        for (final Dictionary dictionary : mBigramDictionaries.values()) {
-            dictionary.getBigrams(wordComposer, prevWord, this);
-        }
+                isPrediction);
     }
 
     private static ArrayList<SuggestedWordInfo> getSuggestionsInfoListWithDebugInfo(
@@ -431,87 +327,45 @@ public class Suggest implements Dictionary.WordCallback {
         return suggestionsList;
     }
 
-    // TODO: Use codepoint instead of char
-    @Override
-    public boolean addWord(final char[] word, final int offset, final int length, int score,
-            final int dicTypeId, final int dataType) {
-        int dataTypeForLog = dataType;
-        final ArrayList<SuggestedWordInfo> suggestions;
-        final int prefMaxSuggestions;
-        if (dataType == Dictionary.BIGRAM) {
-            suggestions = mBigramSuggestions;
-            prefMaxSuggestions = PREF_MAX_BIGRAMS;
-        } else {
-            suggestions = mSuggestions;
-            prefMaxSuggestions = mPrefMaxSuggestions;
-        }
-
-        int pos = 0;
-
-        // Check if it's the same word, only caps are different
-        if (StringUtils.equalsIgnoreCase(mConsideredWord, word, offset, length)) {
-            // TODO: remove this surrounding if clause and move this logic to
-            // getSuggestedWordBuilder.
-            if (suggestions.size() > 0) {
-                final SuggestedWordInfo currentHighestWord = suggestions.get(0);
-                // If the current highest word is also equal to typed word, we need to compare
-                // frequency to determine the insertion position. This does not ensure strictly
-                // correct ordering, but ensures the top score is on top which is enough for
-                // removing duplicates correctly.
-                if (StringUtils.equalsIgnoreCase(currentHighestWord.mWord, word, offset, length)
-                        && score <= currentHighestWord.mScore) {
-                    pos = 1;
-                }
-            }
-        } else {
-            // Check the last one's score and bail
-            if (suggestions.size() >= prefMaxSuggestions
-                    && suggestions.get(prefMaxSuggestions - 1).mScore >= score) return true;
-            while (pos < suggestions.size()) {
-                final int curScore = suggestions.get(pos).mScore;
-                if (curScore < score
-                        || (curScore == score && length < suggestions.get(pos).codePointCount())) {
-                    break;
-                }
-                pos++;
-            }
-        }
-        if (pos >= prefMaxSuggestions) {
-            return true;
+    private static class SuggestedWordInfoComparator implements Comparator<SuggestedWordInfo> {
+        // This comparator ranks the word info with the higher frequency first. That's because
+        // that's the order we want our elements in.
+        @Override
+        public int compare(final SuggestedWordInfo o1, final SuggestedWordInfo o2) {
+            if (o1.mScore > o2.mScore) return -1;
+            if (o1.mScore < o2.mScore) return 1;
+            if (o1.mCodePointCount < o2.mCodePointCount) return -1;
+            if (o1.mCodePointCount > o2.mCodePointCount) return 1;
+            return o1.mWord.toString().compareTo(o2.mWord.toString());
         }
-
-        final StringBuilder sb = new StringBuilder(getApproxMaxWordLength());
-        // TODO: Must pay attention to locale when changing case.
-        if (mIsAllUpperCase) {
-            sb.append(new String(word, offset, length).toUpperCase());
-        } else if (mIsFirstCharCapitalized) {
-            sb.append(Character.toUpperCase(word[offset]));
-            if (length > 1) {
-                sb.append(word, offset + 1, length - 1);
-            }
+    }
+    private static final SuggestedWordInfoComparator sSuggestedWordInfoComparator =
+            new SuggestedWordInfoComparator();
+
+    private static SuggestedWordInfo getTransformedSuggestedWordInfo(
+            final SuggestedWordInfo wordInfo, final Locale locale, final boolean isAllUpperCase,
+            final boolean isFirstCharCapitalized, final int trailingSingleQuotesCount) {
+        final StringBuilder sb = new StringBuilder(wordInfo.mWord.length());
+        if (isAllUpperCase) {
+            sb.append(wordInfo.mWord.toString().toUpperCase(locale));
+        } else if (isFirstCharCapitalized) {
+            sb.append(StringUtils.toTitleCase(wordInfo.mWord.toString(), locale));
         } else {
-            sb.append(word, offset, length);
+            sb.append(wordInfo.mWord);
         }
-        for (int i = mTrailingSingleQuotesCount - 1; i >= 0; --i) {
+        for (int i = trailingSingleQuotesCount - 1; i >= 0; --i) {
             sb.appendCodePoint(Keyboard.CODE_SINGLE_QUOTE);
         }
-        suggestions.add(pos, new SuggestedWordInfo(sb, score));
-        if (suggestions.size() > prefMaxSuggestions) {
-            suggestions.remove(prefMaxSuggestions);
-        } else {
-            LatinImeLogger.onAddSuggestedWord(sb.toString(), dicTypeId, dataTypeForLog);
-        }
-        return true;
+        return new SuggestedWordInfo(sb, wordInfo.mScore, wordInfo.mKind, wordInfo.mSourceDict);
     }
 
     public void close() {
         final HashSet<Dictionary> dictionaries = new HashSet<Dictionary>();
-        dictionaries.addAll(mUnigramDictionaries.values());
-        dictionaries.addAll(mBigramDictionaries.values());
+        dictionaries.addAll(mDictionaries.values());
         for (final Dictionary dictionary : dictionaries) {
             dictionary.close();
         }
-        mHasMainDictionary = false;
+        mMainDictionary = null;
     }
 
     // TODO: Resolve the inconsistencies between the native auto correction algorithms and
diff --git a/java/src/com/android/inputmethod/latin/SuggestedWords.java b/java/src/com/android/inputmethod/latin/SuggestedWords.java
index 497fd3bfa..b84820cb8 100644
--- a/java/src/com/android/inputmethod/latin/SuggestedWords.java
+++ b/java/src/com/android/inputmethod/latin/SuggestedWords.java
@@ -25,12 +25,12 @@ import java.util.HashSet;
 
 public class SuggestedWords {
     public static final SuggestedWords EMPTY = new SuggestedWords(
-            new ArrayList<SuggestedWordInfo>(0), false, false, false, false, false, false);
+            new ArrayList<SuggestedWordInfo>(0), false, false, false, false, false);
 
     public final boolean mTypedWordValid;
     public final boolean mHasAutoCorrectionCandidate;
+    public final boolean mWillAutoCorrect;
     public final boolean mIsPunctuationSuggestions;
-    public final boolean mAllowsToBeAutoCorrected;
     public final boolean mIsObsoleteSuggestions;
     public final boolean mIsPrediction;
     private final ArrayList<SuggestedWordInfo> mSuggestedWordInfoList;
@@ -38,14 +38,13 @@ public class SuggestedWords {
     public SuggestedWords(final ArrayList<SuggestedWordInfo> suggestedWordInfoList,
             final boolean typedWordValid,
             final boolean hasAutoCorrectionCandidate,
-            final boolean allowsToBeAutoCorrected,
             final boolean isPunctuationSuggestions,
             final boolean isObsoleteSuggestions,
             final boolean isPrediction) {
         mSuggestedWordInfoList = suggestedWordInfoList;
         mTypedWordValid = typedWordValid;
         mHasAutoCorrectionCandidate = hasAutoCorrectionCandidate;
-        mAllowsToBeAutoCorrected = allowsToBeAutoCorrected;
+        mWillAutoCorrect = !mTypedWordValid && mHasAutoCorrectionCandidate;
         mIsPunctuationSuggestions = isPunctuationSuggestions;
         mIsObsoleteSuggestions = isObsoleteSuggestions;
         mIsPrediction = isPrediction;
@@ -72,7 +71,7 @@ public class SuggestedWords {
     }
 
     public boolean willAutoCorrect() {
-        return !mTypedWordValid && mHasAutoCorrectionCandidate;
+        return mWillAutoCorrect;
     }
 
     @Override
@@ -81,7 +80,6 @@ public class SuggestedWords {
         return "SuggestedWords:"
                 + " mTypedWordValid=" + mTypedWordValid
                 + " mHasAutoCorrectionCandidate=" + mHasAutoCorrectionCandidate
-                + " mAllowsToBeAutoCorrected=" + mAllowsToBeAutoCorrected
                 + " mIsPunctuationSuggestions=" + mIsPunctuationSuggestions
                 + " words=" + Arrays.toString(mSuggestedWordInfoList.toArray());
     }
@@ -91,7 +89,8 @@ public class SuggestedWords {
         final ArrayList<SuggestedWordInfo> result = new ArrayList<SuggestedWordInfo>();
         for (CompletionInfo info : infos) {
             if (null != info && info.getText() != null) {
-                result.add(new SuggestedWordInfo(info.getText(), SuggestedWordInfo.MAX_SCORE));
+                result.add(new SuggestedWordInfo(info.getText(), SuggestedWordInfo.MAX_SCORE,
+                        SuggestedWordInfo.KIND_APP_DEFINED, Dictionary.TYPE_APPLICATION_DEFINED));
             }
         }
         return result;
@@ -103,7 +102,8 @@ public class SuggestedWords {
             final CharSequence typedWord, final SuggestedWords previousSuggestions) {
         final ArrayList<SuggestedWordInfo> suggestionsList = new ArrayList<SuggestedWordInfo>();
         final HashSet<String> alreadySeen = new HashSet<String>();
-        suggestionsList.add(new SuggestedWordInfo(typedWord, SuggestedWordInfo.MAX_SCORE));
+        suggestionsList.add(new SuggestedWordInfo(typedWord, SuggestedWordInfo.MAX_SCORE,
+                SuggestedWordInfo.KIND_TYPED, Dictionary.TYPE_USER_TYPED));
         alreadySeen.add(typedWord.toString());
         final int previousSize = previousSuggestions.size();
         for (int pos = 1; pos < previousSize; pos++) {
@@ -120,17 +120,30 @@ public class SuggestedWords {
 
     public static class SuggestedWordInfo {
         public static final int MAX_SCORE = Integer.MAX_VALUE;
+        public static final int KIND_TYPED = 0; // What user typed
+        public static final int KIND_CORRECTION = 1; // Simple correction/suggestion
+        public static final int KIND_COMPLETION = 2; // Completion (suggestion with appended chars)
+        public static final int KIND_WHITELIST = 3; // Whitelisted word
+        public static final int KIND_BLACKLIST = 4; // Blacklisted word
+        public static final int KIND_HARDCODED = 5; // Hardcoded suggestion, e.g. punctuation
+        public static final int KIND_APP_DEFINED = 6; // Suggested by the application
+        public static final int KIND_SHORTCUT = 7; // A shortcut
         private final String mWordStr;
         public final CharSequence mWord;
         public final int mScore;
+        public final int mKind; // one of the KIND_* constants above
         public final int mCodePointCount;
+        public final String mSourceDict;
         private String mDebugString = "";
 
-        public SuggestedWordInfo(final CharSequence word, final int score) {
+        public SuggestedWordInfo(final CharSequence word, final int score, final int kind,
+                final String sourceDict) {
             mWordStr = word.toString();
             mWord = word;
             mScore = score;
-            mCodePointCount = mWordStr.codePointCount(0, mWordStr.length());
+            mKind = kind;
+            mSourceDict = sourceDict;
+            mCodePointCount = StringUtils.codePointCount(mWordStr);
         }
 
 
diff --git a/java/src/com/android/inputmethod/latin/SynchronouslyLoadedContactsBinaryDictionary.java b/java/src/com/android/inputmethod/latin/SynchronouslyLoadedContactsBinaryDictionary.java
index 673b54500..9b20bd690 100644
--- a/java/src/com/android/inputmethod/latin/SynchronouslyLoadedContactsBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/SynchronouslyLoadedContactsBinaryDictionary.java
@@ -19,22 +19,23 @@ package com.android.inputmethod.latin;
 import android.content.Context;
 
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 
+import java.util.ArrayList;
 import java.util.Locale;
 
 public class SynchronouslyLoadedContactsBinaryDictionary extends ContactsBinaryDictionary {
     private boolean mClosed;
 
     public SynchronouslyLoadedContactsBinaryDictionary(final Context context, final Locale locale) {
-        super(context, Suggest.DIC_CONTACTS, locale);
+        super(context, locale);
     }
 
     @Override
-    public synchronized void getWords(final WordComposer codes,
-            final CharSequence prevWordForBigrams, final WordCallback callback,
-            final ProximityInfo proximityInfo) {
+    public synchronized ArrayList<SuggestedWordInfo> getWords(final WordComposer codes,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
         syncReloadDictionaryIfRequired();
-        getWordsInner(codes, prevWordForBigrams, callback, proximityInfo);
+        return getWordsInner(codes, prevWordForBigrams, proximityInfo);
     }
 
     @Override
diff --git a/java/src/com/android/inputmethod/latin/SynchronouslyLoadedContactsDictionary.java b/java/src/com/android/inputmethod/latin/SynchronouslyLoadedContactsDictionary.java
deleted file mode 100644
index a8b871cdf..000000000
--- a/java/src/com/android/inputmethod/latin/SynchronouslyLoadedContactsDictionary.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.inputmethod.latin;
-
-import android.content.Context;
-
-import com.android.inputmethod.keyboard.ProximityInfo;
-
-public class SynchronouslyLoadedContactsDictionary extends ContactsDictionary {
-    private boolean mClosed;
-
-    public SynchronouslyLoadedContactsDictionary(final Context context) {
-        super(context, Suggest.DIC_CONTACTS);
-        mClosed = false;
-    }
-
-    @Override
-    public synchronized void getWords(final WordComposer codes,
-            final CharSequence prevWordForBigrams, final WordCallback callback,
-            final ProximityInfo proximityInfo) {
-        blockingReloadDictionaryIfRequired();
-        getWordsInner(codes, prevWordForBigrams, callback, proximityInfo);
-    }
-
-    @Override
-    public synchronized boolean isValidWord(CharSequence word) {
-        blockingReloadDictionaryIfRequired();
-        return getWordFrequency(word) > -1;
-    }
-
-    // Protect against multiple closing
-    @Override
-    public synchronized void close() {
-        // Actually with the current implementation of ContactsDictionary it's safe to close
-        // several times, so the following protection is really only for foolproofing
-        if (mClosed) return;
-        mClosed = true;
-        super.close();
-    }
-}
diff --git a/java/src/com/android/inputmethod/latin/SynchronouslyLoadedUserBinaryDictionary.java b/java/src/com/android/inputmethod/latin/SynchronouslyLoadedUserBinaryDictionary.java
index 1606a34e0..5b2a6edec 100644
--- a/java/src/com/android/inputmethod/latin/SynchronouslyLoadedUserBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/SynchronouslyLoadedUserBinaryDictionary.java
@@ -19,6 +19,9 @@ package com.android.inputmethod.latin;
 import android.content.Context;
 
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+
+import java.util.ArrayList;
 
 public class SynchronouslyLoadedUserBinaryDictionary extends UserBinaryDictionary {
 
@@ -32,11 +35,10 @@ public class SynchronouslyLoadedUserBinaryDictionary extends UserBinaryDictionar
     }
 
     @Override
-    public synchronized void getWords(final WordComposer codes,
-            final CharSequence prevWordForBigrams, final WordCallback callback,
-            final ProximityInfo proximityInfo) {
+    public synchronized ArrayList<SuggestedWordInfo> getWords(final WordComposer codes,
+            final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
         syncReloadDictionaryIfRequired();
-        getWordsInner(codes, prevWordForBigrams, callback, proximityInfo);
+        return getWordsInner(codes, prevWordForBigrams, proximityInfo);
     }
 
     @Override
diff --git a/java/src/com/android/inputmethod/latin/SynchronouslyLoadedUserDictionary.java b/java/src/com/android/inputmethod/latin/SynchronouslyLoadedUserDictionary.java
deleted file mode 100644
index 23a49c192..000000000
--- a/java/src/com/android/inputmethod/latin/SynchronouslyLoadedUserDictionary.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.inputmethod.latin;
-
-import android.content.Context;
-
-import com.android.inputmethod.keyboard.ProximityInfo;
-
-public class SynchronouslyLoadedUserDictionary extends UserDictionary {
-    private boolean mClosed;
-
-    public SynchronouslyLoadedUserDictionary(final Context context, final String locale) {
-        this(context, locale, false);
-    }
-
-    public SynchronouslyLoadedUserDictionary(final Context context, final String locale,
-            final boolean alsoUseMoreRestrictiveLocales) {
-        super(context, locale, alsoUseMoreRestrictiveLocales);
-    }
-
-    @Override
-    public synchronized void getWords(final WordComposer codes,
-            final CharSequence prevWordForBigrams, final WordCallback callback,
-            final ProximityInfo proximityInfo) {
-        blockingReloadDictionaryIfRequired();
-        getWordsInner(codes, prevWordForBigrams, callback, proximityInfo);
-    }
-
-    @Override
-    public synchronized boolean isValidWord(CharSequence word) {
-        blockingReloadDictionaryIfRequired();
-        return super.isValidWord(word);
-    }
-
-    // Protect against multiple closing
-    @Override
-    public synchronized void close() {
-        if (mClosed) return;
-        mClosed = true;
-        super.close();
-    }
-}
diff --git a/java/src/com/android/inputmethod/latin/UserBinaryDictionary.java b/java/src/com/android/inputmethod/latin/UserBinaryDictionary.java
index 6fa1a25a1..8cef6fa20 100644
--- a/java/src/com/android/inputmethod/latin/UserBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/UserBinaryDictionary.java
@@ -36,11 +36,22 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
 
     // TODO: use Words.SHORTCUT when it's public in the SDK
     final static String SHORTCUT = "shortcut";
-    private static final String[] PROJECTION_QUERY = {
-        Words.WORD,
-        SHORTCUT,
-        Words.FREQUENCY,
-    };
+    private static final String[] PROJECTION_QUERY;
+    static {
+        // 16 is JellyBean, but we want this to compile against ICS.
+        if (android.os.Build.VERSION.SDK_INT >= 16) {
+            PROJECTION_QUERY = new String[] {
+                Words.WORD,
+                SHORTCUT,
+                Words.FREQUENCY,
+            };
+        } else {
+            PROJECTION_QUERY = new String[] {
+                Words.WORD,
+                Words.FREQUENCY,
+            };
+        }
+    }
 
     private static final String NAME = "userunigram";
 
@@ -58,7 +69,7 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
 
     public UserBinaryDictionary(final Context context, final String locale,
             final boolean alsoUseMoreRestrictiveLocales) {
-        super(context, getFilenameWithLocale(NAME, locale), Suggest.DIC_USER);
+        super(context, getFilenameWithLocale(NAME, locale), Dictionary.TYPE_USER);
         if (null == locale) throw new NullPointerException(); // Catch the error earlier
         mLocale = locale;
         mAlsoUseMoreRestrictiveLocales = alsoUseMoreRestrictiveLocales;
@@ -136,7 +147,7 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
             requestArguments = localeElements;
         }
         final Cursor cursor = mContext.getContentResolver().query(
-            Words.CONTENT_URI, PROJECTION_QUERY, request.toString(), requestArguments, null);
+                Words.CONTENT_URI, PROJECTION_QUERY, request.toString(), requestArguments, null);
         try {
             addWords(cursor);
         } finally {
@@ -182,16 +193,18 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
     }
 
     private void addWords(Cursor cursor) {
+        // 16 is JellyBean, but we want this to compile against ICS.
+        final boolean hasShortcutColumn = android.os.Build.VERSION.SDK_INT >= 16;
         clearFusionDictionary();
         if (cursor == null) return;
         if (cursor.moveToFirst()) {
             final int indexWord = cursor.getColumnIndex(Words.WORD);
-            final int indexShortcut = cursor.getColumnIndex(SHORTCUT);
+            final int indexShortcut = hasShortcutColumn ? cursor.getColumnIndex(SHORTCUT) : 0;
             final int indexFrequency = cursor.getColumnIndex(Words.FREQUENCY);
             while (!cursor.isAfterLast()) {
-                String word = cursor.getString(indexWord);
-                String shortcut = cursor.getString(indexShortcut);
-                int frequency = cursor.getInt(indexFrequency);
+                final String word = cursor.getString(indexWord);
+                final String shortcut = hasShortcutColumn ? cursor.getString(indexShortcut) : null;
+                final int frequency = cursor.getInt(indexFrequency);
                 // Safeguard against adding really long words.
                 if (word.length() < MAX_WORD_LENGTH) {
                     super.addWord(word, null, frequency);
diff --git a/java/src/com/android/inputmethod/latin/UserDictionary.java b/java/src/com/android/inputmethod/latin/UserDictionary.java
deleted file mode 100644
index c1efadd44..000000000
--- a/java/src/com/android/inputmethod/latin/UserDictionary.java
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.inputmethod.latin;
-
-import android.content.ContentProviderClient;
-import android.content.ContentResolver;
-import android.content.Context;
-import android.content.Intent;
-import android.database.ContentObserver;
-import android.database.Cursor;
-import android.provider.UserDictionary.Words;
-import android.text.TextUtils;
-
-import com.android.inputmethod.keyboard.ProximityInfo;
-
-import java.util.Arrays;
-
-// TODO: This class is superseded by {@link UserBinaryDictionary}. Should be cleaned up.
-/**
- * An expandable dictionary that stores the words in the user unigram dictionary.
- *
- * @deprecated Use {@link UserBinaryDictionary}.
- */
-@Deprecated
-public class UserDictionary extends ExpandableDictionary {
-
-    // TODO: use Words.SHORTCUT when it's public in the SDK
-    final static String SHORTCUT = "shortcut";
-    private static final String[] PROJECTION_QUERY = {
-        Words.WORD,
-        SHORTCUT,
-        Words.FREQUENCY,
-    };
-
-    // This is not exported by the framework so we pretty much have to write it here verbatim
-    private static final String ACTION_USER_DICTIONARY_INSERT =
-            "com.android.settings.USER_DICTIONARY_INSERT";
-
-    private ContentObserver mObserver;
-    final private String mLocale;
-    final private boolean mAlsoUseMoreRestrictiveLocales;
-
-    public UserDictionary(final Context context, final String locale) {
-        this(context, locale, false);
-    }
-
-    public UserDictionary(final Context context, final String locale,
-            final boolean alsoUseMoreRestrictiveLocales) {
-        super(context, Suggest.DIC_USER);
-        if (null == locale) throw new NullPointerException(); // Catch the error earlier
-        mLocale = locale;
-        mAlsoUseMoreRestrictiveLocales = alsoUseMoreRestrictiveLocales;
-        // Perform a managed query. The Activity will handle closing and re-querying the cursor
-        // when needed.
-        ContentResolver cres = context.getContentResolver();
-
-        mObserver = new ContentObserver(null) {
-            @Override
-            public void onChange(boolean self) {
-                setRequiresReload(true);
-            }
-        };
-        cres.registerContentObserver(Words.CONTENT_URI, true, mObserver);
-
-        loadDictionary();
-    }
-
-    @Override
-    public synchronized void close() {
-        if (mObserver != null) {
-            getContext().getContentResolver().unregisterContentObserver(mObserver);
-            mObserver = null;
-        }
-        super.close();
-    }
-
-    @Override
-    public void loadDictionaryAsync() {
-        // Split the locale. For example "en" => ["en"], "de_DE" => ["de", "DE"],
-        // "en_US_foo_bar_qux" => ["en", "US", "foo_bar_qux"] because of the limit of 3.
-        // This is correct for locale processing.
-        // For this example, we'll look at the "en_US_POSIX" case.
-        final String[] localeElements =
-                TextUtils.isEmpty(mLocale) ? new String[] {} : mLocale.split("_", 3);
-        final int length = localeElements.length;
-
-        final StringBuilder request = new StringBuilder("(locale is NULL)");
-        String localeSoFar = "";
-        // At start, localeElements = ["en", "US", "POSIX"] ; localeSoFar = "" ;
-        // and request = "(locale is NULL)"
-        for (int i = 0; i < length; ++i) {
-            // i | localeSoFar    | localeElements
-            // 0 | ""             | ["en", "US", "POSIX"]
-            // 1 | "en_"          | ["en", "US", "POSIX"]
-            // 2 | "en_US_"       | ["en", "en_US", "POSIX"]
-            localeElements[i] = localeSoFar + localeElements[i];
-            localeSoFar = localeElements[i] + "_";
-            // i | request
-            // 0 | "(locale is NULL)"
-            // 1 | "(locale is NULL) or (locale=?)"
-            // 2 | "(locale is NULL) or (locale=?) or (locale=?)"
-            request.append(" or (locale=?)");
-        }
-        // At the end, localeElements = ["en", "en_US", "en_US_POSIX"]; localeSoFar = en_US_POSIX_"
-        // and request = "(locale is NULL) or (locale=?) or (locale=?) or (locale=?)"
-
-        final String[] requestArguments;
-        // If length == 3, we already have all the arguments we need (common prefix is meaningless
-        // inside variants
-        if (mAlsoUseMoreRestrictiveLocales && length < 3) {
-            request.append(" or (locale like ?)");
-            // The following creates an array with one more (null) position
-            final String[] localeElementsWithMoreRestrictiveLocalesIncluded =
-                    Arrays.copyOf(localeElements, length + 1);
-            localeElementsWithMoreRestrictiveLocalesIncluded[length] =
-                    localeElements[length - 1] + "_%";
-            requestArguments = localeElementsWithMoreRestrictiveLocalesIncluded;
-            // If for example localeElements = ["en"]
-            // then requestArguments = ["en", "en_%"]
-            // and request = (locale is NULL) or (locale=?) or (locale like ?)
-            // If localeElements = ["en", "en_US"]
-            // then requestArguments = ["en", "en_US", "en_US_%"]
-        } else {
-            requestArguments = localeElements;
-        }
-        final Cursor cursor = getContext().getContentResolver()
-                .query(Words.CONTENT_URI, PROJECTION_QUERY, request.toString(),
-                        requestArguments, null);
-        try {
-            addWords(cursor);
-        } finally {
-            if (null != cursor) cursor.close();
-        }
-    }
-
-    public boolean isEnabled() {
-        final ContentResolver cr = getContext().getContentResolver();
-        final ContentProviderClient client = cr.acquireContentProviderClient(Words.CONTENT_URI);
-        if (client != null) {
-            client.release();
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    /**
-     * Adds a word to the user dictionary and makes it persistent.
-     *
-     * This will call upon the system interface to do the actual work through the intent
-     * readied by the system to this effect.
-     *
-     * @param word the word to add. If the word is capitalized, then the dictionary will
-     * recognize it as a capitalized word when searched.
-     * @param frequency the frequency of occurrence of the word. A frequency of 255 is considered
-     * the highest.
-     * @TODO use a higher or float range for frequency
-     */
-    public synchronized void addWordToUserDictionary(final String word, final int frequency) {
-        // Force load the dictionary here synchronously
-        if (getRequiresReload()) loadDictionaryAsync();
-        // TODO: do something for the UI. With the following, any sufficiently long word will
-        // look like it will go to the user dictionary but it won't.
-        // Safeguard against adding long words. Can cause stack overflow.
-        if (word.length() >= getMaxWordLength()) return;
-
-        // TODO: Add an argument to the intent to specify the frequency.
-        Intent intent = new Intent(ACTION_USER_DICTIONARY_INSERT);
-        intent.putExtra(Words.WORD, word);
-        intent.putExtra(Words.LOCALE, mLocale);
-        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        getContext().startActivity(intent);
-    }
-
-    @Override
-    public synchronized void getWords(final WordComposer codes,
-            final CharSequence prevWordForBigrams, final WordCallback callback,
-            final ProximityInfo proximityInfo) {
-        super.getWords(codes, prevWordForBigrams, callback, proximityInfo);
-    }
-
-    @Override
-    public synchronized boolean isValidWord(CharSequence word) {
-        return super.isValidWord(word);
-    }
-
-    private void addWords(Cursor cursor) {
-        clearDictionary();
-        if (cursor == null) return;
-        final int maxWordLength = getMaxWordLength();
-        if (cursor.moveToFirst()) {
-            final int indexWord = cursor.getColumnIndex(Words.WORD);
-            final int indexShortcut = cursor.getColumnIndex(SHORTCUT);
-            final int indexFrequency = cursor.getColumnIndex(Words.FREQUENCY);
-            while (!cursor.isAfterLast()) {
-                String word = cursor.getString(indexWord);
-                String shortcut = cursor.getString(indexShortcut);
-                int frequency = cursor.getInt(indexFrequency);
-                // Safeguard against adding really long words. Stack may overflow due
-                // to recursion
-                if (word.length() < maxWordLength) {
-                    super.addWord(word, null, frequency);
-                }
-                if (null != shortcut && shortcut.length() < maxWordLength) {
-                    super.addWord(shortcut, word, frequency);
-                }
-                cursor.moveToNext();
-            }
-        }
-    }
-}
diff --git a/java/src/com/android/inputmethod/latin/UserHistoryDictionary.java b/java/src/com/android/inputmethod/latin/UserHistoryDictionary.java
index 5095f6582..73fa83f9a 100644
--- a/java/src/com/android/inputmethod/latin/UserHistoryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/UserHistoryDictionary.java
@@ -115,8 +115,7 @@ public class UserHistoryDictionary extends ExpandableDictionary {
     }
 
     public synchronized static UserHistoryDictionary getInstance(
-            final Context context, final String locale,
-            final int dictTypeId, final SharedPreferences sp) {
+            final Context context, final String locale, final SharedPreferences sp) {
         if (sLangDictCache.containsKey(locale)) {
             final SoftReference<UserHistoryDictionary> ref = sLangDictCache.get(locale);
             final UserHistoryDictionary dict = ref == null ? null : ref.get();
@@ -128,14 +127,14 @@ public class UserHistoryDictionary extends ExpandableDictionary {
             }
         }
         final UserHistoryDictionary dict =
-                new UserHistoryDictionary(context, locale, dictTypeId, sp);
+                new UserHistoryDictionary(context, locale, sp);
         sLangDictCache.put(locale, new SoftReference<UserHistoryDictionary>(dict));
         return dict;
     }
 
-    private UserHistoryDictionary(final Context context, final String locale, final int dicTypeId,
-            SharedPreferences sp) {
-        super(context, dicTypeId);
+    private UserHistoryDictionary(final Context context, final String locale,
+            final SharedPreferences sp) {
+        super(context, Dictionary.TYPE_USER_HISTORY);
         mLocale = locale;
         mPrefs = sp;
         if (sOpenHelper == null) {
diff --git a/java/src/com/android/inputmethod/latin/UserHistoryForgettingCurveUtils.java b/java/src/com/android/inputmethod/latin/UserHistoryForgettingCurveUtils.java
index e5516dc62..1de95d7b8 100644
--- a/java/src/com/android/inputmethod/latin/UserHistoryForgettingCurveUtils.java
+++ b/java/src/com/android/inputmethod/latin/UserHistoryForgettingCurveUtils.java
@@ -50,7 +50,7 @@ public class UserHistoryForgettingCurveUtils {
         }
 
         private ForgettingCurveParams(long now, boolean isValid) {
-            this((int)pushCount((byte)0, isValid), now, now, isValid);
+            this(pushCount((byte)0, isValid), now, now, isValid);
         }
 
         /** This constructor is called when the user history bigram dictionary is being restored. */
@@ -199,20 +199,20 @@ public class UserHistoryForgettingCurveUtils {
         public static final int[][] SCORE_TABLE = new int[FC_LEVEL_MAX][ELAPSED_TIME_MAX + 1];
         static {
             for (int i = 0; i < FC_LEVEL_MAX; ++i) {
-                final double initialFreq;
+                final float initialFreq;
                 if (i >= 2) {
-                    initialFreq = (double)FC_FREQ_MAX;
+                    initialFreq = FC_FREQ_MAX;
                 } else if (i == 1) {
-                    initialFreq = (double)FC_FREQ_MAX / 2;
+                    initialFreq = FC_FREQ_MAX / 2;
                 } else if (i == 0) {
-                    initialFreq = (double)FC_FREQ_MAX / 4;
+                    initialFreq = FC_FREQ_MAX / 4;
                 } else {
                     continue;
                 }
                 for (int j = 0; j < ELAPSED_TIME_MAX; ++j) {
-                    final double elapsedHour = j * ELAPSED_TIME_INTERVAL_HOURS;
-                    final double freq =
-                            initialFreq * Math.pow(initialFreq, elapsedHour / HALF_LIFE_HOURS);
+                    final float elapsedHours = j * ELAPSED_TIME_INTERVAL_HOURS;
+                    final float freq = initialFreq
+                            * NativeUtils.powf(initialFreq, elapsedHours / HALF_LIFE_HOURS);
                     final int intFreq = Math.min(FC_FREQ_MAX, Math.max(0, (int)freq));
                     SCORE_TABLE[i][j] = intFreq;
                 }
diff --git a/java/src/com/android/inputmethod/latin/Utils.java b/java/src/com/android/inputmethod/latin/Utils.java
index 4178955bc..8f71de0e7 100644
--- a/java/src/com/android/inputmethod/latin/Utils.java
+++ b/java/src/com/android/inputmethod/latin/Utils.java
@@ -44,10 +44,9 @@ import java.io.IOException;
 import java.io.PrintWriter;
 import java.nio.channels.FileChannel;
 import java.text.SimpleDateFormat;
-import java.util.Collections;
+import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
-import java.util.Map;
 
 public class Utils {
     private Utils() {
@@ -206,18 +205,24 @@ public class Utils {
     }
 
     // Get the current stack trace
-    public static String getStackTrace() {
+    public static String getStackTrace(final int limit) {
         StringBuilder sb = new StringBuilder();
         try {
             throw new RuntimeException();
         } catch (RuntimeException e) {
             StackTraceElement[] frames = e.getStackTrace();
             // Start at 1 because the first frame is here and we don't care about it
-            for (int j = 1; j < frames.length; ++j) sb.append(frames[j].toString() + "\n");
+            for (int j = 1; j < frames.length && j < limit + 1; ++j) {
+                sb.append(frames[j].toString() + "\n");
+            }
         }
         return sb.toString();
     }
 
+    public static String getStackTrace() {
+        return getStackTrace(Integer.MAX_VALUE);
+    }
+
     public static class UsabilityStudyLogUtils {
         // TODO: remove code duplication with ResearchLog class
         private static final String USABILITY_TAG = UsabilityStudyLogUtils.class.getSimpleName();
diff --git a/java/src/com/android/inputmethod/latin/WhitelistDictionary.java b/java/src/com/android/inputmethod/latin/WhitelistDictionary.java
index a0de2f970..3af22140e 100644
--- a/java/src/com/android/inputmethod/latin/WhitelistDictionary.java
+++ b/java/src/com/android/inputmethod/latin/WhitelistDictionary.java
@@ -37,7 +37,7 @@ public class WhitelistDictionary extends ExpandableDictionary {
 
     // TODO: Conform to the async load contact of ExpandableDictionary
     public WhitelistDictionary(final Context context, final Locale locale) {
-        super(context, Suggest.DIC_WHITELIST);
+        super(context, Dictionary.TYPE_WHITELIST);
         // TODO: Move whitelist dictionary into main dictionary.
         final RunInLocale<Void> job = new RunInLocale<Void>() {
             @Override
diff --git a/java/src/com/android/inputmethod/latin/WordComposer.java b/java/src/com/android/inputmethod/latin/WordComposer.java
index ca9caa1d3..98282f970 100644
--- a/java/src/com/android/inputmethod/latin/WordComposer.java
+++ b/java/src/com/android/inputmethod/latin/WordComposer.java
@@ -34,8 +34,7 @@ public class WordComposer {
     private static final int N = BinaryDictionary.MAX_WORD_LENGTH;
 
     private int[] mPrimaryKeyCodes;
-    private int[] mXCoordinates;
-    private int[] mYCoordinates;
+    private final InputPointers mInputPointers = new InputPointers();
     private StringBuilder mTypedWord;
     private CharSequence mAutoCorrection;
     private boolean mIsResumed;
@@ -54,8 +53,6 @@ public class WordComposer {
     public WordComposer() {
         mPrimaryKeyCodes = new int[N];
         mTypedWord = new StringBuilder(N);
-        mXCoordinates = new int[N];
-        mYCoordinates = new int[N];
         mAutoCorrection = null;
         mTrailingSingleQuotesCount = 0;
         mIsResumed = false;
@@ -69,8 +66,7 @@ public class WordComposer {
     public void init(WordComposer source) {
         mPrimaryKeyCodes = Arrays.copyOf(source.mPrimaryKeyCodes, source.mPrimaryKeyCodes.length);
         mTypedWord = new StringBuilder(source.mTypedWord);
-        mXCoordinates = Arrays.copyOf(source.mXCoordinates, source.mXCoordinates.length);
-        mYCoordinates = Arrays.copyOf(source.mYCoordinates, source.mYCoordinates.length);
+        mInputPointers.copy(source.mInputPointers);
         mCapsCount = source.mCapsCount;
         mIsFirstCharCapitalized = source.mIsFirstCharCapitalized;
         mAutoCapitalized = source.mAutoCapitalized;
@@ -92,7 +88,7 @@ public class WordComposer {
         refreshSize();
     }
 
-    public final void refreshSize() {
+    private final void refreshSize() {
         mCodePointSize = mTypedWord.codePointCount(0, mTypedWord.length());
     }
 
@@ -116,12 +112,8 @@ public class WordComposer {
         return mPrimaryKeyCodes[index];
     }
 
-    public int[] getXCoordinates() {
-        return mXCoordinates;
-    }
-
-    public int[] getYCoordinates() {
-        return mYCoordinates;
+    public InputPointers getInputPointers() {
+        return mInputPointers;
     }
 
     private static boolean isFirstCharCapitalized(int index, int codePoint, boolean previous) {
@@ -157,8 +149,8 @@ public class WordComposer {
         if (newIndex < BinaryDictionary.MAX_WORD_LENGTH) {
             mPrimaryKeyCodes[newIndex] = primaryCode >= Keyboard.CODE_SPACE
                     ? Character.toLowerCase(primaryCode) : primaryCode;
-            mXCoordinates[newIndex] = keyX;
-            mYCoordinates[newIndex] = keyY;
+            // TODO: Set correct pointer id and time
+            mInputPointers.addPointer(newIndex, keyX, keyY, 0, 0);
         }
         mIsFirstCharCapitalized = isFirstCharCapitalized(
                 newIndex, primaryCode, mIsFirstCharCapitalized);
@@ -318,14 +310,11 @@ public class WordComposer {
         // or a DECIDED_WORD we may cancel the commit later; otherwise, we should deactivate
         // the last composed word to ensure this does not happen.
         final int[] primaryKeyCodes = mPrimaryKeyCodes;
-        final int[] xCoordinates = mXCoordinates;
-        final int[] yCoordinates = mYCoordinates;
         mPrimaryKeyCodes = new int[N];
-        mXCoordinates = new int[N];
-        mYCoordinates = new int[N];
         final LastComposedWord lastComposedWord = new LastComposedWord(primaryKeyCodes,
-                xCoordinates, yCoordinates, mTypedWord.toString(), committedWord, separatorCode,
+                mInputPointers, mTypedWord.toString(), committedWord, separatorCode,
                 prevWord);
+        mInputPointers.reset();
         if (type != LastComposedWord.COMMIT_TYPE_DECIDED_WORD
                 && type != LastComposedWord.COMMIT_TYPE_MANUAL_PICK) {
             lastComposedWord.deactivate();
@@ -339,8 +328,7 @@ public class WordComposer {
 
     public void resumeSuggestionOnLastComposedWord(final LastComposedWord lastComposedWord) {
         mPrimaryKeyCodes = lastComposedWord.mPrimaryKeyCodes;
-        mXCoordinates = lastComposedWord.mXCoordinates;
-        mYCoordinates = lastComposedWord.mYCoordinates;
+        mInputPointers.set(lastComposedWord.mInputPointers);
         mTypedWord.setLength(0);
         mTypedWord.append(lastComposedWord.mTypedWord);
         refreshSize();
diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
index 89c59f809..2c3eee74c 100644
--- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
+++ b/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
@@ -787,9 +787,9 @@ public class BinaryDictInputOutput {
         // (discretizedFrequency + 0.5) times this value to get the median value of the step,
         // which is the best approximation. This is how we get the most precise result with
         // only four bits.
-        final double stepSize =
-                (double)(MAX_TERMINAL_FREQUENCY - unigramFrequency) / (1.5 + MAX_BIGRAM_FREQUENCY);
-        final double firstStepStart = 1 + unigramFrequency + (stepSize / 2.0);
+        final float stepSize =
+                (MAX_TERMINAL_FREQUENCY - unigramFrequency) / (1.5f + MAX_BIGRAM_FREQUENCY);
+        final float firstStepStart = 1 + unigramFrequency + (stepSize / 2.0f);
         final int discretizedFrequency = (int)((bigramFrequency - firstStepStart) / stepSize);
         // If the bigram freq is less than half-a-step higher than the unigram freq, we get -1
         // here. The best approximation would be the unigram freq itself, so we should not
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
index 88efc5a85..5f4d66091 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
@@ -30,18 +30,17 @@ import android.view.textservice.TextInfo;
 import com.android.inputmethod.compat.SuggestionsInfoCompatUtils;
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.BinaryDictionary;
+import com.android.inputmethod.latin.ContactsBinaryDictionary;
 import com.android.inputmethod.latin.Dictionary;
-import com.android.inputmethod.latin.Dictionary.WordCallback;
 import com.android.inputmethod.latin.DictionaryCollection;
 import com.android.inputmethod.latin.DictionaryFactory;
-import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.LocaleUtils;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.StringUtils;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.SynchronouslyLoadedContactsBinaryDictionary;
-import com.android.inputmethod.latin.SynchronouslyLoadedContactsDictionary;
 import com.android.inputmethod.latin.SynchronouslyLoadedUserBinaryDictionary;
-import com.android.inputmethod.latin.SynchronouslyLoadedUserDictionary;
+import com.android.inputmethod.latin.UserBinaryDictionary;
 import com.android.inputmethod.latin.WhitelistDictionary;
 import com.android.inputmethod.latin.WordComposer;
 
@@ -73,11 +72,11 @@ public class AndroidSpellCheckerService extends SpellCheckerService
     private final static String[] EMPTY_STRING_ARRAY = new String[0];
     private Map<String, DictionaryPool> mDictionaryPools =
             Collections.synchronizedMap(new TreeMap<String, DictionaryPool>());
-    private Map<String, Dictionary> mUserDictionaries =
-            Collections.synchronizedMap(new TreeMap<String, Dictionary>());
+    private Map<String, UserBinaryDictionary> mUserDictionaries =
+            Collections.synchronizedMap(new TreeMap<String, UserBinaryDictionary>());
     private Map<String, Dictionary> mWhitelistDictionaries =
             Collections.synchronizedMap(new TreeMap<String, Dictionary>());
-    private Dictionary mContactsDictionary;
+    private ContactsBinaryDictionary mContactsDictionary;
 
     // The threshold for a candidate to be offered as a suggestion.
     private float mSuggestionThreshold;
@@ -154,13 +153,9 @@ public class AndroidSpellCheckerService extends SpellCheckerService
 
     private void startUsingContactsDictionaryLocked() {
         if (null == mContactsDictionary) {
-            if (LatinIME.USE_BINARY_CONTACTS_DICTIONARY) {
-                // TODO: use the right locale for each session
-                mContactsDictionary =
-                        new SynchronouslyLoadedContactsBinaryDictionary(this, Locale.getDefault());
-            } else {
-                mContactsDictionary = new SynchronouslyLoadedContactsDictionary(this);
-            }
+            // TODO: use the right locale for each session
+            mContactsDictionary =
+                    new SynchronouslyLoadedContactsBinaryDictionary(this, Locale.getDefault());
         }
         final Iterator<WeakReference<DictionaryCollection>> iterator =
                 mDictionaryCollectionsList.iterator();
@@ -208,7 +203,8 @@ public class AndroidSpellCheckerService extends SpellCheckerService
                 EMPTY_STRING_ARRAY);
     }
 
-    private static class SuggestionsGatherer implements WordCallback {
+    // TODO: remove this class and replace it by storage local to the session.
+    private static class SuggestionsGatherer {
         public static class Result {
             public final String[] mSuggestions;
             public final boolean mHasRecommendedSuggestions;
@@ -242,9 +238,8 @@ public class AndroidSpellCheckerService extends SpellCheckerService
             mScores = new int[mMaxLength];
         }
 
-        @Override
-        synchronized public boolean addWord(char[] word, int wordOffset, int wordLength, int score,
-                int dicTypeId, int dataType) {
+        synchronized public boolean addWord(char[] word, int[] spaceIndices, int wordOffset,
+                int wordLength, int score) {
             final int positionIndex = Arrays.binarySearch(mScores, 0, mLength, score);
             // binarySearch returns the index if the element exists, and -<insertion index> - 1
             // if it doesn't. See documentation for binarySearch.
@@ -368,8 +363,9 @@ public class AndroidSpellCheckerService extends SpellCheckerService
     private void closeAllDictionaries() {
         final Map<String, DictionaryPool> oldPools = mDictionaryPools;
         mDictionaryPools = Collections.synchronizedMap(new TreeMap<String, DictionaryPool>());
-        final Map<String, Dictionary> oldUserDictionaries = mUserDictionaries;
-        mUserDictionaries = Collections.synchronizedMap(new TreeMap<String, Dictionary>());
+        final Map<String, UserBinaryDictionary> oldUserDictionaries = mUserDictionaries;
+        mUserDictionaries =
+                Collections.synchronizedMap(new TreeMap<String, UserBinaryDictionary>());
         final Map<String, Dictionary> oldWhitelistDictionaries = mWhitelistDictionaries;
         mWhitelistDictionaries = Collections.synchronizedMap(new TreeMap<String, Dictionary>());
         new Thread("spellchecker_close_dicts") {
@@ -389,7 +385,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService
                         // The synchronously loaded contacts dictionary should have been in one
                         // or several pools, but it is shielded against multiple closing and it's
                         // safe to call it several times.
-                        final Dictionary dictToClose = mContactsDictionary;
+                        final ContactsBinaryDictionary dictToClose = mContactsDictionary;
                         // TODO: revert to the concrete type when USE_BINARY_CONTACTS_DICTIONARY
                         // is no longer needed
                         mContactsDictionary = null;
@@ -421,13 +417,9 @@ public class AndroidSpellCheckerService extends SpellCheckerService
                 DictionaryFactory.createMainDictionaryFromManager(this, locale,
                         true /* useFullEditDistance */);
         final String localeStr = locale.toString();
-        Dictionary userDictionary = mUserDictionaries.get(localeStr);
+        UserBinaryDictionary userDictionary = mUserDictionaries.get(localeStr);
         if (null == userDictionary) {
-            if (LatinIME.USE_BINARY_USER_DICTIONARY) {
-                userDictionary = new SynchronouslyLoadedUserBinaryDictionary(this, localeStr, true);
-            } else {
-                userDictionary = new SynchronouslyLoadedUserDictionary(this, localeStr, true);
-            }
+            userDictionary = new SynchronouslyLoadedUserBinaryDictionary(this, localeStr, true);
             mUserDictionaries.put(localeStr, userDictionary);
         }
         dictionaryCollection.addDictionary(userDictionary);
@@ -440,17 +432,11 @@ public class AndroidSpellCheckerService extends SpellCheckerService
         synchronized (mUseContactsLock) {
             if (mUseContactsDictionary) {
                 if (null == mContactsDictionary) {
-                    // TODO: revert to the concrete type when USE_BINARY_CONTACTS_DICTIONARY is no
-                    // longer needed
-                    if (LatinIME.USE_BINARY_CONTACTS_DICTIONARY) {
-                        // TODO: use the right locale. We can't do it right now because the
-                        // spell checker is reusing the contacts dictionary across sessions
-                        // without regard for their locale, so we need to fix that first.
-                        mContactsDictionary = new SynchronouslyLoadedContactsBinaryDictionary(this,
-                                Locale.getDefault());
-                    } else {
-                        mContactsDictionary = new SynchronouslyLoadedContactsDictionary(this);
-                    }
+                    // TODO: use the right locale. We can't do it right now because the
+                    // spell checker is reusing the contacts dictionary across sessions
+                    // without regard for their locale, so we need to fix that first.
+                    mContactsDictionary = new SynchronouslyLoadedContactsBinaryDictionary(this,
+                            Locale.getDefault());
                 }
             }
             dictionaryCollection.addDictionary(mContactsDictionary);
@@ -501,20 +487,32 @@ public class AndroidSpellCheckerService extends SpellCheckerService
         }
 
         private static class SuggestionsCache {
+            private static final char CHAR_DELIMITER = '\uFFFC';
             private static final int MAX_CACHE_SIZE = 50;
-            // TODO: support bigram
             private final LruCache<String, SuggestionsParams> mUnigramSuggestionsInfoCache =
                     new LruCache<String, SuggestionsParams>(MAX_CACHE_SIZE);
 
-            public SuggestionsParams getSuggestionsFromCache(String query) {
-                return mUnigramSuggestionsInfoCache.get(query);
+            // TODO: Support n-gram input
+            private static String generateKey(String query, String prevWord) {
+                if (TextUtils.isEmpty(query) || TextUtils.isEmpty(prevWord)) {
+                    return query;
+                }
+                return query + CHAR_DELIMITER + prevWord;
+            }
+
+            // TODO: Support n-gram input
+            public SuggestionsParams getSuggestionsFromCache(String query, String prevWord) {
+                return mUnigramSuggestionsInfoCache.get(generateKey(query, prevWord));
             }
 
-            public void putSuggestionsToCache(String query, String[] suggestions, int flags) {
+            // TODO: Support n-gram input
+            public void putSuggestionsToCache(
+                    String query, String prevWord, String[] suggestions, int flags) {
                 if (suggestions == null || TextUtils.isEmpty(query)) {
                     return;
                 }
-                mUnigramSuggestionsInfoCache.put(query, new SuggestionsParams(suggestions, flags));
+                mUnigramSuggestionsInfoCache.put(
+                        generateKey(query, prevWord), new SuggestionsParams(suggestions, flags));
             }
         }
 
@@ -609,6 +607,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService
             final ArrayList<Integer> additionalLengths = new ArrayList<Integer>();
             final ArrayList<SuggestionsInfo> additionalSuggestionsInfos =
                     new ArrayList<SuggestionsInfo>();
+            String currentWord = null;
             for (int i = 0; i < N; ++i) {
                 final SuggestionsInfo si = ssi.getSuggestionsInfoAt(i);
                 final int flags = si.getSuggestionsAttributes();
@@ -618,6 +617,8 @@ public class AndroidSpellCheckerService extends SpellCheckerService
                 final int offset = ssi.getOffsetAt(i);
                 final int length = ssi.getLengthAt(i);
                 final String subText = typedText.substring(offset, offset + length);
+                final String prevWord = currentWord;
+                currentWord = subText;
                 if (!subText.contains(SINGLE_QUOTE)) {
                     continue;
                 }
@@ -631,7 +632,8 @@ public class AndroidSpellCheckerService extends SpellCheckerService
                     if (TextUtils.isEmpty(splitText)) {
                         continue;
                     }
-                    if (mSuggestionsCache.getSuggestionsFromCache(splitText) == null) {
+                    if (mSuggestionsCache.getSuggestionsFromCache(
+                            splitText, prevWord) == null) {
                         continue;
                     }
                     final int newLength = splitText.length();
@@ -727,7 +729,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService
             try {
                 final String inText = textInfo.getText();
                 final SuggestionsParams cachedSuggestionsParams =
-                        mSuggestionsCache.getSuggestionsFromCache(inText);
+                        mSuggestionsCache.getSuggestionsFromCache(inText, prevWord);
                 if (cachedSuggestionsParams != null) {
                     if (DBG) {
                         Log.d(TAG, "Cache hit: " + inText + ", " + cachedSuggestionsParams.mFlags);
@@ -778,8 +780,13 @@ public class AndroidSpellCheckerService extends SpellCheckerService
                 try {
                     dictInfo = mDictionaryPool.takeOrGetNull();
                     if (null == dictInfo) return getNotInDictEmptySuggestions();
-                    dictInfo.mDictionary.getWords(composer, prevWord, suggestionsGatherer,
-                            dictInfo.mProximityInfo);
+                    final ArrayList<SuggestedWordInfo> suggestions = dictInfo.mDictionary.getWords(
+                            composer, prevWord, dictInfo.mProximityInfo);
+                    for (final SuggestedWordInfo suggestion : suggestions) {
+                        final String suggestionStr = suggestion.mWord.toString();
+                        suggestionsGatherer.addWord(suggestionStr.toCharArray(), null, 0,
+                                suggestionStr.length(), suggestion.mScore);
+                    }
                     isInDict = dictInfo.mDictionary.isValidWord(text);
                     if (!isInDict && CAPITALIZE_NONE != capitalizeType) {
                         // We want to test the word again if it's all caps or first caps only.
@@ -819,7 +826,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService
                                         .getValueOf_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS()
                                 : 0);
                 final SuggestionsInfo retval = new SuggestionsInfo(flags, result.mSuggestions);
-                mSuggestionsCache.putSuggestionsToCache(text, result.mSuggestions, flags);
+                mSuggestionsCache.putSuggestionsToCache(text, prevWord, result.mSuggestions, flags);
                 return retval;
             } catch (RuntimeException e) {
                 // Don't kill the keyboard if there is a bug in the spell checker
diff --git a/java/src/com/android/inputmethod/latin/suggestions/SuggestionsView.java b/java/src/com/android/inputmethod/latin/suggestions/SuggestionsView.java
index e86390b11..f087790f6 100644
--- a/java/src/com/android/inputmethod/latin/suggestions/SuggestionsView.java
+++ b/java/src/com/android/inputmethod/latin/suggestions/SuggestionsView.java
@@ -336,9 +336,8 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
             if (LatinImeLogger.sDBG && suggestedWords.size() > 1) {
                 // If we auto-correct, then the autocorrection is in slot 0 and the typed word
                 // is in slot 1.
-                if (index == mCenterSuggestionIndex && suggestedWords.mHasAutoCorrectionCandidate
-                        && Suggest.shouldBlockAutoCorrectionBySafetyNet(
-                                suggestedWords.getWord(1).toString(), suggestedWords.getWord(0))) {
+                if (index == mCenterSuggestionIndex && Suggest.shouldBlockAutoCorrectionBySafetyNet(
+                        suggestedWords.getWord(1).toString(), suggestedWords.getWord(0))) {
                     return 0xFFFF0000;
                 }
             }