Add a relevant suggestion to period-checkable requests

Bug: 15412461
Change-Id: Ibf37df4d31141a7e43b54d6342e7861eedb1c03b

java/src/com/android/inputmethod/latin/Constants.java

@@ -220,6 +220,7 @@ public final class Constants {
 
     public static final String REGEXP_PERIOD = "\\.";
     public static final String STRING_SPACE = " ";
+    public static final String STRING_PERIOD_AND_SPACE = ". ";
 
     /**
      * Special keys code. Must be negative.

java/src/com/android/inputmethod/latin/RichInputConnection.java

@@ -741,13 +741,12 @@ public final class RichInputConnection {
         // Here we test whether we indeed have a period and a space before us. This should not
         // be needed, but it's there just in case something went wrong.
         final CharSequence textBeforeCursor = getTextBeforeCursor(2, 0);
-        final String periodSpace = ". ";
-        if (!TextUtils.equals(periodSpace, textBeforeCursor)) {
+        if (!TextUtils.equals(Constants.STRING_PERIOD_AND_SPACE, textBeforeCursor)) {
             // Theoretically we should not be coming here if there isn't ". " before the
             // cursor, but the application may be changing the text while we are typing, so
             // anything goes. We should not crash.
             Log.d(TAG, "Tried to revert double-space combo but we didn't find "
-                    + "\"" + periodSpace + "\" just before the cursor.");
+                    + "\"" + Constants.STRING_PERIOD_AND_SPACE + "\" just before the cursor.");
             return false;
         }
         // Double-space results in ". ". A backspace to cancel this should result in a single

java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java

@@ -258,7 +258,9 @@ public abstract class AndroidWordLevelSpellCheckerSession extends Session {
                             return new SuggestionsInfo(SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO
                                     | SuggestionsInfo.RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS,
                                     new String[] {
-                                            TextUtils.join(Constants.STRING_SPACE, splitText) });
+                                            TextUtils.join(Constants.STRING_SPACE, splitText),
+                                            TextUtils.join(Constants.STRING_PERIOD_AND_SPACE,
+                                                    splitText) });
                         }
                     }
                     return dictInfo.mDictionary.isValidWord(inText)