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

Recently I worked with ListPopupWindow (android.support.v7.internal.widget.ListPopupWindow) and back button started to work when I called

popupWindow.setModal(true);

no matter what I set in setBackgroundDrawable method as other solutions suppose here.