android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application

Stack Overflow | Naroju | 5 months ago
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    android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application

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Root Cause Analysis

  1. android.view.WindowManager$BadTokenException

    Unable to add window -- token null is not for an application

    at android.view.ViewRootImpl.setView()
  2. Android Platform
    ActivityThread.main
    1. android.view.ViewRootImpl.setView(ViewRootImpl.java:583)
    2. android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:282)
    3. android.view.WindowManagerImpl.addView(WindowManagerImpl.java:85)
    4. android.app.Dialog.show(Dialog.java:298)
    5. android.app.AlertDialog$Builder.show(AlertDialog.java:993)
    6. android.widget.VideoView$5.onError(VideoView.java:537)
    7. android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:2592)
    8. android.os.Handler.dispatchMessage(Handler.java:102)
    9. android.os.Looper.loop(Looper.java:135)
    10. android.app.ActivityThread.main(ActivityThread.java:5343)
    10 frames
  3. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    2. java.lang.reflect.Method.invoke(Method.java:372)
    2 frames
  4. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:907)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:702)
    2 frames