Fix Javadoc and null analysis related warnings

This CL also adds @SuppressWarning("unused" to java-overridable package.

Bug: 18003991
Change-Id: If70527e30654384705d7a814f5efd181d9f539e1

1 files changed, 4 insertions, 2 deletions

diff --git a/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java b/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
index df9a76119..294666b8b 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
@@ -18,7 +18,9 @@ package com.android.inputmethod.latin.spellcheck;
 
 import com.android.inputmethod.latin.utils.FragmentUtils;
 
+import android.annotation.TargetApi;
 import android.content.Intent;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
 
@@ -41,8 +43,8 @@ public final class SpellCheckerSettingsActivity extends PreferenceActivity {
         return modIntent;
     }
 
-    // TODO: Uncomment the override annotation once we start using SDK version 19.
-    // @Override
+    @TargetApi(Build.VERSION_CODES.KITKAT)
+    @Override
     public boolean isValidFragment(String fragmentName) {
         return FragmentUtils.isValidFragment(fragmentName);
     }