Fix bug #14158603 Stability: NPE in Settings: Attempt to invoke...

...interface method 'boolean android.view.MenuItem.collapseActionView()'
...on a null object reference

- fix cases where mSearchMenuItem or mSearchView could be null

Change-Id: I2b0256fe2c8c1b426d4e0799881dd2f13480a00a

src/com/android/settings/SettingsActivity.java

@@ -395,6 +395,10 @@ public class SettingsActivity extends Activity
         mSearchMenuItem = menu.findItem(R.id.search);
         mSearchView = (SearchView) mSearchMenuItem.getActionView();
 
+        if (mSearchMenuItem == null || mSearchView == null) {
+            return false;
+        }
+
         mSearchMenuItem.setOnActionExpandListener(this);
         mSearchView.setOnQueryTextListener(this);
         mSearchView.setOnCloseListener(this);
@@ -1285,6 +1289,8 @@ public class SettingsActivity extends Activity
         mSearchMenuItemExpanded = false;
         getFragmentManager().popBackStackImmediate(SettingsActivity.BACK_STACK_PREFS,
                 FragmentManager.POP_BACK_STACK_INCLUSIVE);
+        if (mSearchMenuItem != null) {
             mSearchMenuItem.collapseActionView();
         }
     }
+}