Comment 1 for bug 1332747

Activity isn't there yet or is already finishing (gone), and we still want to show a dialog.

Good explanations on:
http://stackoverflow.com/questions/18662239/android-view-windowmanagerbadtokenexception-unable-to-add-window-on-buider-s
http://blackriver.to/2012/08/android-annoying-exception-unable-to-add-window-is-your-activity-running/
http://www.ggkf.com/android/problems-creating-a-popup-window-in-android-activity
http://stackoverflow.com/questions/7415014/android-badtokenexception-unable-to-add-window-is-your-activity-running-at

Added if(isFinished()) everywhere I could find. Not necessarily completely fixed yet.