@Override
 public void onCreate(@Nullable Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setUpInjection();
   setUpToolbar();
   setUpLayout(savedInstanceState);
 }
 @Override
 public void onResume() {
   super.onResume();
   tracker.setScreenName(CategoryActivity.class.getSimpleName());
   tracker.send(new HitBuilders.ScreenViewBuilder().build());
 }