Action Bar detect back button click in fragment

Question

I have a Fragment with action bar back button enabled in it.

Code :

@Override
    public void onAttach(Activity activity) {
        super.onAttach(activi         


        

Answer 1

View cView = getLayoutInflater().inflate(R.layout.header, null);
cView.findViewById(R.id.btn_id).setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View v) {
                     // Do stuff here.
    }
});
actionBar.setCustomView(cView);