public class BFragmentTab extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.recents, container, false);
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
menu.clear();
MenuItem filter = menu.findItem(R.id.filter);
MenuItem refresh = menu.findItem(R.id.refresh);
//depending on you conditions, either enable/disable
filter.setEnabled(false);
refresh.setEnabled(false);
super.onPrepareOptionsMenu(menu);
}
}
我正在尝试在我的Fragment类中调用onPrepareOptionsMenu
,但它没有被调用。当我点击操作栏中的action tab
时,我想要刷新我的菜单项。