@Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_menu_item_sample);
   mSearchView = (PersistentSearchView) findViewById(R.id.searchview);
   VoiceRecognitionDelegate delegate =
       new DefaultVoiceRecognizerDelegate(this, VOICE_RECOGNITION_REQUEST_CODE);
   if (delegate.isVoiceRecognitionAvailable()) {
     mSearchView.setVoiceRecognitionDelegate(delegate);
   }
   mToolbar = (Toolbar) findViewById(R.id.toolbar);
   mSearchTintView = findViewById(R.id.view_search_tint);
   this.setSupportActionBar(mToolbar);
   ActionBar actionBar = getSupportActionBar();
   if (actionBar != null) {
     actionBar.setDisplayShowHomeEnabled(true);
     actionBar.setDisplayHomeAsUpEnabled(true);
   }
   setUpSearchView();
 }