Make some private method static

Change-Id: Ia23765268be0ef89d7fe7c3f5372ed32d6615765

11 files changed, 23 insertions, 27 deletions

diff --git a/java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java b/java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java
index 51dc4cd37..0e5f8c80a 100644
--- a/java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java
+++ b/java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java
@@ -153,8 +153,7 @@ public class InputMethodManagerCompatWrapper {
         return Utils.getInputMethodInfo(this, mLatinImePackageName);
     }
 
-    @SuppressWarnings("unused")
-    private InputMethodSubtypeCompatWrapper getLastResortSubtype(String mode) {
+    private static InputMethodSubtypeCompatWrapper getLastResortSubtype(String mode) {
         if (VOICE_MODE.equals(mode) && !FORCE_ENABLE_VOICE_EVEN_WITH_NO_VOICE_SUBTYPES)
             return null;
         Locale inputLocale = SubtypeSwitcher.getInstance().getInputLocale();
diff --git a/java/src/com/android/inputmethod/keyboard/Key.java b/java/src/com/android/inputmethod/keyboard/Key.java
index f1ae0b313..f2014b771 100644
--- a/java/src/com/android/inputmethod/keyboard/Key.java
+++ b/java/src/com/android/inputmethod/keyboard/Key.java
@@ -223,7 +223,7 @@ public class Key {
             if (style == null)
                 throw new ParseException("Unknown key style: " + styleName, parser);
         } else {
-            style = keyStyles.getEmptyKeyStyle();
+            style = KeyStyles.getEmptyKeyStyle();
         }
 
         final float keyXPos = row.getKeyX(keyAttr);
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java b/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
index b385b7a04..39fb521ea 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
@@ -235,7 +235,7 @@ public class KeyStyles {
         return mStyles.get(styleName);
     }
 
-    public KeyStyle getEmptyKeyStyle() {
+    public static KeyStyle getEmptyKeyStyle() {
         return EMPTY_KEY_STYLE;
     }
 }
diff --git a/java/src/com/android/inputmethod/latin/AutoCorrection.java b/java/src/com/android/inputmethod/latin/AutoCorrection.java
index 485ec511f..cd066a3d1 100644
--- a/java/src/com/android/inputmethod/latin/AutoCorrection.java
+++ b/java/src/com/android/inputmethod/latin/AutoCorrection.java
@@ -98,7 +98,7 @@ public class AutoCorrection {
         return whiteListedWord != null;
     }
 
-    private boolean hasAutoCorrectionForTypedWord(Map<String, Dictionary> dictionaries,
+    private static boolean hasAutoCorrectionForTypedWord(Map<String, Dictionary> dictionaries,
             WordComposer wordComposer, ArrayList<CharSequence> suggestions, CharSequence typedWord,
             int correctionMode) {
         if (TextUtils.isEmpty(typedWord)) return false;
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 1666fc191..70e0a1852 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -1178,7 +1178,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
     }
 
     // "ic" must not be null
-    private void maybeRemovePreviousPeriod(final InputConnection ic, CharSequence text) {
+    private static void maybeRemovePreviousPeriod(final InputConnection ic, CharSequence text) {
         // When the text's first character is '.', remove the previous period
         // if there is one.
         final CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
@@ -1190,7 +1190,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
     }
 
     // "ic" may be null
-    private void removeTrailingSpaceWhileInBatchEdit(final InputConnection ic) {
+    private static void removeTrailingSpaceWhileInBatchEdit(final InputConnection ic) {
         if (ic == null) return;
         final CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
         if (lastOne != null && lastOne.length() == 1
@@ -1208,12 +1208,8 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
         return true;
     }
 
-    private boolean isAlphabet(int code) {
-        if (Character.isLetter(code)) {
-            return true;
-        } else {
-            return false;
-        }
+    private static boolean isAlphabet(int code) {
+        return Character.isLetter(code);
     }
 
     private void onSettingsKeyPressed() {
@@ -2075,7 +2071,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
     }
 
     // "ic" must not be null
-    private boolean sameAsTextBeforeCursor(final InputConnection ic, CharSequence text) {
+    private static boolean sameAsTextBeforeCursor(final InputConnection ic, CharSequence text) {
         CharSequence beforeText = ic.getTextBeforeCursor(text.length(), 0);
         return TextUtils.equals(text, beforeText);
     }
@@ -2129,7 +2125,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
         return true;
     }
 
-    private boolean revertSwapPunctuation(final InputConnection ic) {
+    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);
diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java
index caa5aac51..97e91745c 100644
--- a/java/src/com/android/inputmethod/latin/Suggest.java
+++ b/java/src/com/android/inputmethod/latin/Suggest.java
@@ -144,7 +144,7 @@ public class Suggest implements Dictionary.WordCallback {
         initWhitelistAndAutocorrectAndPool(context, locale);
     }
 
-    private void addOrReplaceDictionary(Map<String, Dictionary> dictionaries, String key,
+    private static void addOrReplaceDictionary(Map<String, Dictionary> dictionaries, String key,
             Dictionary dict) {
         final Dictionary oldDict = (dict == null)
                 ? dictionaries.remove(key)
@@ -518,7 +518,8 @@ public class Suggest implements Dictionary.WordCallback {
         return -1;
     }
 
-    private void collectGarbage(ArrayList<CharSequence> suggestions, int prefMaxSuggestions) {
+    private static void collectGarbage(ArrayList<CharSequence> suggestions,
+            int prefMaxSuggestions) {
         int poolSize = StringBuilderPool.getSize();
         int garbageSize = suggestions.size();
         while (poolSize < prefMaxSuggestions && garbageSize > 0) {
diff --git a/java/src/com/android/inputmethod/latin/UserBigramDictionary.java b/java/src/com/android/inputmethod/latin/UserBigramDictionary.java
index 9e656675e..3a1af9311 100644
--- a/java/src/com/android/inputmethod/latin/UserBigramDictionary.java
+++ b/java/src/com/android/inputmethod/latin/UserBigramDictionary.java
@@ -238,7 +238,7 @@ public class UserBigramDictionary extends ExpandableDictionary {
     /**
      * Query the database
      */
-    private Cursor query(String selection, String[] selectionArgs) {
+    private static Cursor query(String selection, String[] selectionArgs) {
         SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
 
         // main INNER JOIN frequency ON (main._id=freq.pair_id)
@@ -310,7 +310,7 @@ public class UserBigramDictionary extends ExpandableDictionary {
         }
 
         /** Prune any old data if the database is getting too big. */
-        private void checkPruneData(SQLiteDatabase db) {
+        private static void checkPruneData(SQLiteDatabase db) {
             db.execSQL("PRAGMA foreign_keys = ON;");
             Cursor c = db.query(FREQ_TABLE_NAME, new String[] { FREQ_COLUMN_PAIR_ID },
                     null, null, null, null, null);
@@ -380,7 +380,7 @@ public class UserBigramDictionary extends ExpandableDictionary {
             return null;
         }
 
-        private ContentValues getContentValues(String word1, String word2, String locale) {
+        private static ContentValues getContentValues(String word1, String word2, String locale) {
             ContentValues values = new ContentValues(3);
             values.put(MAIN_COLUMN_WORD1, word1);
             values.put(MAIN_COLUMN_WORD2, word2);
@@ -388,7 +388,7 @@ public class UserBigramDictionary extends ExpandableDictionary {
             return values;
         }
 
-        private ContentValues getFrequencyContentValues(int pairId, int frequency) {
+        private static ContentValues getFrequencyContentValues(int pairId, int frequency) {
            ContentValues values = new ContentValues(2);
            values.put(FREQ_COLUMN_PAIR_ID, pairId);
            values.put(FREQ_COLUMN_FREQUENCY, frequency);
diff --git a/java/src/com/android/inputmethod/latin/UserUnigramDictionary.java b/java/src/com/android/inputmethod/latin/UserUnigramDictionary.java
index e41230b3c..de7cb5716 100644
--- a/java/src/com/android/inputmethod/latin/UserUnigramDictionary.java
+++ b/java/src/com/android/inputmethod/latin/UserUnigramDictionary.java
@@ -206,7 +206,7 @@ public class UserUnigramDictionary extends ExpandableDictionary {
         }
     }
 
-    private Cursor query(String selection, String[] selectionArgs) {
+    private static Cursor query(String selection, String[] selectionArgs) {
         SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
         qb.setTables(USER_UNIGRAM_DICT_TABLE_NAME);
         qb.setProjectionMap(sDictProjectionMap);
@@ -251,7 +251,7 @@ public class UserUnigramDictionary extends ExpandableDictionary {
             return null;
         }
 
-        private ContentValues getContentValues(String word, int frequency, String locale) {
+        private static ContentValues getContentValues(String word, int frequency, String locale) {
             ContentValues values = new ContentValues(4);
             values.put(COLUMN_WORD, word);
             values.put(COLUMN_FREQUENCY, frequency);
diff --git a/java/src/com/android/inputmethod/latin/Utils.java b/java/src/com/android/inputmethod/latin/Utils.java
index b29ff1975..3d0aa09f1 100644
--- a/java/src/com/android/inputmethod/latin/Utils.java
+++ b/java/src/com/android/inputmethod/latin/Utils.java
@@ -242,7 +242,7 @@ public class Utils {
             UsabilityStudyLogUtils.getInstance().init(context);
             return sRingCharBuffer;
         }
-        private int normalize(int in) {
+        private static int normalize(int in) {
             int ret = in % BUFSIZE;
             return ret < 0 ? ret + BUFSIZE : ret;
         }
@@ -465,7 +465,7 @@ public class Utils {
             }
         }
 
-        public void writeBackSpace() {
+        public static void writeBackSpace() {
             UsabilityStudyLogUtils.getInstance().write("<backspace>\t0\t0");
         }
 
diff --git a/java/src/com/android/inputmethod/latin/WordComposer.java b/java/src/com/android/inputmethod/latin/WordComposer.java
index adc5637f6..7f3a54244 100644
--- a/java/src/com/android/inputmethod/latin/WordComposer.java
+++ b/java/src/com/android/inputmethod/latin/WordComposer.java
@@ -135,7 +135,7 @@ public class WordComposer {
      * @param primaryCode the preferred character
      * @param codes array of codes based on distance from touch point
      */
-    private void correctPrimaryJuxtapos(int primaryCode, int[] codes) {
+    private static void correctPrimaryJuxtapos(int primaryCode, int[] codes) {
         if (codes.length < 2) return;
         if (codes[0] > 0 && codes[1] > 0 && codes[0] != primaryCode && codes[1] == primaryCode) {
             codes[1] = codes[0];
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
index 095c2c51c..5d296f892 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
@@ -368,7 +368,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
          * @param text the string to evaluate.
          * @return true if we should filter this text out, false otherwise
          */
-        private boolean shouldFilterOut(final String text) {
+        private static boolean shouldFilterOut(final String text) {
             if (TextUtils.isEmpty(text) || text.length() <= 1) return true;
 
             // TODO: check if an equivalent processing can't be done more quickly with a