BadTokenException

[Meisterschueler]

Happened 12 times, 11 users, android 7.0+

at android.view.ViewRootImpl.setView (ViewRootImpl.java:893)
at android.view.WindowManagerGlobal.addView (WindowManagerGlobal.java:342)
at android.view.WindowManagerImpl.addView (WindowManagerImpl.java:97)
at android.app.Dialog.show (Dialog.java:419)
at android.app.AlertDialog$Builder.show (AlertDialog.java:1131)
at com.meisterschueler.ognviewer.MapsActivity.editEmptyAprsFilter (MapsActivity.java:1021)
at com.meisterschueler.ognviewer.MapsActivity.access$600 (MapsActivity.java:72)
at com.meisterschueler.ognviewer.MapsActivity$4.onFinish (MapsActivity.java:408)
at android.os.CountDownTimer$1.handleMessage (CountDownTimer.java:127)
at android.os.Handler.dispatchMessage (Handler.java:102)
at android.os.Looper.loop (Looper.java:154)
at android.app.ActivityThread.main (ActivityThread.java:6682)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:1520)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1410)

[Meisterschueler]

Fixed with e742fba