PopupWindow $BadTokenException: Unable to add window — token null is not valid

Question

I have the following error when showing a PopupWindow. The errors are triggered by the line:

checkInPopup.showAtLocation((ViewGroup) mapView.getParent(), Gra         


        

Answer 1

A popup's parent can't itself be a popup. Both of their parents must be the same. So, if you create a popup inside a popup, you must save the parent's popup and make it a parent.

here's an example