1 files changed, 5 insertions, 7 deletions
diff --git a/java/src/com/android/inputmethod/latin/UserBigramDictionary.java b/java/src/com/android/inputmethod/latin/UserBigramDictionary.java
index 656e6f8e0..5b615ca29 100644
--- a/java/src/com/android/inputmethod/latin/UserBigramDictionary.java
+++ b/java/src/com/android/inputmethod/latin/UserBigramDictionary.java
@@ -44,12 +44,6 @@ public class UserBigramDictionary extends ExpandableDictionary {
     /** Maximum frequency for all pairs */
     private static final int FREQUENCY_MAX = 127;
 
-    /**
-     * If this pair is typed 6 times, it would be suggested.
-     * Should be smaller than ContactsDictionary.FREQUENCY_FOR_CONTACTS_BIGRAM
-     */
-    protected static final int SUGGEST_THRESHOLD = 6 * FREQUENCY_FOR_TYPED;
-
     /** Maximum number of pairs. Pruning will start when databases goes above this number. */
     private static int sMaxUserBigrams = 10000;
 
@@ -164,10 +158,14 @@ public class UserBigramDictionary extends ExpandableDictionary {
      * Pair will be added to the userbigram database.
      */
     public int addBigrams(String word1, String word2) {
-        // remove caps
+        // remove caps if second word is autocapitalized
         if (mIme != null && mIme.getCurrentWord().isAutoCapitalized()) {
             word2 = Character.toLowerCase(word2.charAt(0)) + word2.substring(1);
         }
+        // Do not insert a word as a bigram of itself
+        if (word1.equals(word2)) {
+            return 0;
+        }
 
         int freq = super.addBigram(word1, word2, FREQUENCY_FOR_TYPED);
         if (freq > FREQUENCY_MAX) freq = FREQUENCY_MAX;