Enable action bar back button like hardware back button

Question

I have many fragments in an activity. I move to some activity from one of the fragments. There are two cases. If I press hardware back button, I move back to the fragment fr

Answer 1

In the switch statement, change

case android.R.id.home:
    NavUtils.navigateUpFromSameTask(this);
    return true;

to

case android.R.id.home:
    onBackPressed();
    return true;

Answer 2

You can call the method onBackPressed(); of the Activity to give you the ability to back button just like the hardware back button.

if you are in fragment call getActivity().onBackPressed()