Close Android popup window with back press

Question

I have created a android application where I have created a popup screen. But when I am pressing the back button, popup is not getting closed.

I have tried with onB

Answer 1

popup.setBackgroundDrawable(new BitmapDrawable());

popup.setOnDismissListener(new PopupWindow.OnDismissListener() {
            @Override
            public void onDismiss() {
                //do your code here
            }
        });