Up Navigation (Action Bar's back arrow) is not working for fragments

Question

I\'ve drawer-layout as a base layout of my activity and I\'m replacing two fragments on a frame present inside this drawer-layout. The first fragment is not added in fragmen

Answer 1

After struggling with the same problem for ages, I eventually managed to get the Up button to work in fragments with this code. You must have setHasOptionsMenu set up in onCreate() or onCreateView()

setHasOptionsMenu(true);

Then, in onOptionsItemSelected() add this check for the up / home button being pressed to your switch() [or if...] statement:

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    x.L();

    switch (item.getItemId()) {
        case android.R.id.home :
            getActivity().onBackPressed();

            break;

        case R.id.mn_exit :
            exitFragment();

            break;

        default :
            break;
    }

    return super.onOptionsItemSelected(item);
}