1 files changed, 5 insertions, 11 deletions
diff --git a/java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java
index 3fb76b142..96160fa4e 100644
--- a/java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java
@@ -31,7 +31,6 @@ import android.util.Log;
 
 import com.android.inputmethod.annotations.UsedForTesting;
 import com.android.inputmethod.latin.personalization.AccountUtils;
-import com.android.inputmethod.latin.utils.CollectionUtils;
 import com.android.inputmethod.latin.utils.ExecutorUtils;
 import com.android.inputmethod.latin.utils.StringUtils;
 
@@ -75,11 +74,6 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
      */
     private final boolean mUseFirstLastBigrams;
 
-    private ContactsBinaryDictionary(final Context context, final Locale locale,
-            final File dictFile) {
-        this(context, locale, dictFile, NAME);
-    }
-
     protected ContactsBinaryDictionary(final Context context, final Locale locale,
             final File dictFile, final String name) {
         super(context, getDictName(name, locale, dictFile), locale, Dictionary.TYPE_CONTACTS,
@@ -91,8 +85,8 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
 
     @UsedForTesting
     public static ContactsBinaryDictionary getDictionary(final Context context, final Locale locale,
-            final File dictFile) {
-        return new ContactsBinaryDictionary(context, locale, dictFile);
+            final File dictFile, final String dictNamePrefix) {
+        return new ContactsBinaryDictionary(context, locale, dictFile, dictNamePrefix + NAME);
     }
 
     private synchronized void registerObserver(final Context context) {
@@ -180,7 +174,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
 
     private void addWordsLocked(final Cursor cursor) {
         int count = 0;
-        final ArrayList<String> names = CollectionUtils.newArrayList();
+        final ArrayList<String> names = new ArrayList<>();
         while (!cursor.isAfterLast() && count < MAX_CONTACT_COUNT) {
             String name = cursor.getString(INDEX_NAME);
             if (isValidName(name)) {
@@ -224,7 +218,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
      */
     private void addNameLocked(final String name) {
         int len = StringUtils.codePointCount(name);
-        PrevWordsInfo prevWordsInfo = new PrevWordsInfo(null);
+        PrevWordsInfo prevWordsInfo = PrevWordsInfo.EMPTY_PREV_WORDS_INFO;
         // TODO: Better tokenization for non-Latin writing systems
         for (int i = 0; i < len; i++) {
             if (Character.isLetter(name.codePointAt(i))) {
@@ -298,7 +292,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
         if (null == cursor) {
             return false;
         }
-        final ArrayList<String> names = CollectionUtils.newArrayList();
+        final ArrayList<String> names = new ArrayList<>();
         try {
             if (cursor.moveToFirst()) {
                 while (!cursor.isAfterLast()) {