Improve compatibility for ICS.

ICS didn't have a SHORTCUT column in the user dictionary.
If running on a build under JellyBean, we should not ask
for it lest we crash.

Bug: 6600617
Change-Id: Iac0cbcc63c10064f01e2d51eec5931fd9cdd0922

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";
 
@@ -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);