Fix android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@f0d4607 is not valid; is your activity running? in android.view.ViewRootImpl.setView (ViewRootImpl.java:842)

maxkoshevoi / NureTimetable

Xamarin Forms application for viewing timetable of groups, teachers and rooms of the Kharkiv National University of Radio Electronics

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Closed maxkoshevoi closed 3 years ago

maxkoshevoi commented 3 years ago

android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@f0d4607 is not valid; is your activity running?