Fix some compiler warnings

This CL fixes the following compiler warnings.

- Indirect access to static member
- Access to a non-accessible member of an enclosing type
- Parameter assignment
- Method can be static
- Local variable declaration hides another field or variable
- Value of local variable is not used
- Unused import
- Unused private member
- Unnecessary 'else' statement
- Unnecessary declaration of throw exception
- Redundant type arguments
- Missing '@Override' annotation
- Unused '@SuppressWarning' annotations

Bug: 18003991
Change-Id: Icfebe753e53a2cc621848f769d6a3d7ce501ebc7

1 files changed, 3 insertions, 15 deletions

diff --git a/java/src/com/android/inputmethod/latin/NgramContext.java b/java/src/com/android/inputmethod/latin/NgramContext.java
index a02531cc4..2dc409f9f 100644
--- a/java/src/com/android/inputmethod/latin/NgramContext.java
+++ b/java/src/com/android/inputmethod/latin/NgramContext.java
@@ -31,14 +31,14 @@ public class NgramContext {
     public static final NgramContext EMPTY_PREV_WORDS_INFO =
             new NgramContext(WordInfo.EMPTY_WORD_INFO);
     public static final NgramContext BEGINNING_OF_SENTENCE =
-            new NgramContext(WordInfo.BEGINNING_OF_SENTENCE);
+            new NgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO);
 
     /**
      * Word information used to represent previous words information.
      */
     public static class WordInfo {
         public static final WordInfo EMPTY_WORD_INFO = new WordInfo(null);
-        public static final WordInfo BEGINNING_OF_SENTENCE = new WordInfo();
+        public static final WordInfo BEGINNING_OF_SENTENCE_WORD_INFO = new WordInfo();
 
         // This is an empty char sequence when mIsBeginningOfSentence is true.
         public final CharSequence mWord;
@@ -48,7 +48,7 @@ public class NgramContext {
         public final boolean mIsBeginningOfSentence;
 
         // Beginning of sentence.
-        public WordInfo() {
+        private WordInfo() {
             mWord = "";
             mIsBeginningOfSentence = true;
         }
@@ -96,18 +96,6 @@ public class NgramContext {
         mPrevWordsCount = prevWordsInfo.length;
     }
 
-    // Construct from WordInfo array and size. The caller shouldn't change prevWordsInfo after
-    // calling this method.
-    private NgramContext(final NgramContext ngramContext, final int prevWordsCount) {
-        if (ngramContext.mPrevWordsCount < prevWordsCount) {
-            throw new IndexOutOfBoundsException("ngramContext.mPrevWordsCount ("
-                    + ngramContext.mPrevWordsCount + ") is smaller than prevWordsCount ("
-                    + prevWordsCount + ")");
-        }
-        mPrevWordsInfo = ngramContext.mPrevWordsInfo;
-        mPrevWordsCount = prevWordsCount;
-    }
-
     // Create next prevWordsInfo using current prevWordsInfo.
     public NgramContext getNextNgramContext(final WordInfo wordInfo) {
         final int nextPrevWordCount = Math.min(Constants.MAX_PREV_WORD_COUNT_FOR_N_GRAM,