java.lang.NullPointerException: Attempt to read from field 'android.content.pm.ActivityInfo android.appwidget.AppWidgetProviderInfo.providerInfo' on a null object reference

JIRA | Christian Buck | 1 year ago
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  1. 0

    My Widgets are not working. I only see a container without content. Trying to remove the Widgets from the Window crushes Trebuchet and gives me an Exception: java.lang.NullPointerException: Attempt to read from field 'android.content.pm.ActivityInfo android.appwidget.AppWidgetProviderInfo.providerInfo' on a null object reference at com.android.launcher3.Launcher.removeAppWidget(Launcher.java:2126) at com.android.launcher3.DeleteDropTarget.removeWorkspaceOrFolderItem(DeleteDropTarget.java:83) at com.android.launcher3.DeleteDropTarget.completeDrop(DeleteDropTarget.java:64) at com.android.launcher3.ButtonDropTarget$2.run(ButtonDropTarget.java:235) at com.android.launcher3.DragLayer$3.onAnimationEnd(DragLayer.java:784) at android.animation.ValueAnimator.endAnimation(ValueAnimator.java:1239) at android.animation.ValueAnimator$AnimationHandler.doAnimationFrame(ValueAnimator.java:766) at android.animation.ValueAnimator$AnimationHandler$1.run(ValueAnimator.java:801) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858) at android.view.Choreographer.doCallbacks(Choreographer.java:670) at android.view.Choreographer.doFrame(Choreographer.java:603) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5466) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

    JIRA | 1 year ago | Christian Buck
    java.lang.NullPointerException: Attempt to read from field 'android.content.pm.ActivityInfo android.appwidget.AppWidgetProviderInfo.providerInfo' on a null object reference
  2. 0

    My Widgets are not working. I only see a container without content. Trying to remove the Widgets from the Window crushes Trebuchet and gives me an Exception: java.lang.NullPointerException: Attempt to read from field 'android.content.pm.ActivityInfo android.appwidget.AppWidgetProviderInfo.providerInfo' on a null object reference at com.android.launcher3.Launcher.removeAppWidget(Launcher.java:2126) at com.android.launcher3.DeleteDropTarget.removeWorkspaceOrFolderItem(DeleteDropTarget.java:83) at com.android.launcher3.DeleteDropTarget.completeDrop(DeleteDropTarget.java:64) at com.android.launcher3.ButtonDropTarget$2.run(ButtonDropTarget.java:235) at com.android.launcher3.DragLayer$3.onAnimationEnd(DragLayer.java:784) at android.animation.ValueAnimator.endAnimation(ValueAnimator.java:1239) at android.animation.ValueAnimator$AnimationHandler.doAnimationFrame(ValueAnimator.java:766) at android.animation.ValueAnimator$AnimationHandler$1.run(ValueAnimator.java:801) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858) at android.view.Choreographer.doCallbacks(Choreographer.java:670) at android.view.Choreographer.doFrame(Choreographer.java:603) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5466) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

    JIRA | 1 year ago | Christian Buck
    java.lang.NullPointerException: Attempt to read from field 'android.content.pm.ActivityInfo android.appwidget.AppWidgetProviderInfo.providerInfo' on a null object reference
  3. 0

    I have three zombie widgets (music player, droid stats, calendar) and all of them throw NPE when I try to remove. Sry I was lazy and did not reported the first broken version. But in case of this NPE it looks not so difficult :|. stacktrace: {code} java.lang.NullPointerException: Attempt to read from field 'android.content.pm.ActivityInfo android.appwidget.AppWidgetProviderInfo.providerInfo' on a null object reference at com.android.launcher3.Launcher.removeAppWidget(Launcher.java:2137) at com.android.launcher3.DeleteDropTarget.removeWorkspaceOrFolderItem(DeleteDropTarget.java:89) at com.android.launcher3.DeleteDropTarget.completeDrop(DeleteDropTarget.java:64) at com.android.launcher3.ButtonDropTarget$2.run(ButtonDropTarget.java:235) at com.android.launcher3.DragLayer$3.onAnimationEnd(DragLayer.java:784) at android.animation.ValueAnimator.endAnimation(ValueAnimator.java:1239) at android.animation.ValueAnimator$AnimationHandler.doAnimationFrame(ValueAnimator.java:766) at android.animation.ValueAnimator$AnimationHandler$1.run(ValueAnimator.java:801) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858) at android.view.Choreographer.doCallbacks(Choreographer.java:670) at android.view.Choreographer.doFrame(Choreographer.java:603) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5466) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) {code} Screenshots to understand my description. Thx. in advance!

    JIRA | 12 months ago | Lars K.W. Gohlke
    java.lang.NullPointerException: Attempt to read from field 'android.content.pm.ActivityInfo android.appwidget.AppWidgetProviderInfo.providerInfo' on a null object reference
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to read from field 'android.content.pm.ActivityInfo android.appwidget.AppWidgetProviderInfo.providerInfo' on a null object reference

      at com.android.launcher3.Launcher.removeAppWidget()
    2. com.android.launcher3
      DragLayer$3.onAnimationEnd
      1. com.android.launcher3.Launcher.removeAppWidget(Launcher.java:2126)
      2. com.android.launcher3.DeleteDropTarget.removeWorkspaceOrFolderItem(DeleteDropTarget.java:83)
      3. com.android.launcher3.DeleteDropTarget.completeDrop(DeleteDropTarget.java:64)
      4. com.android.launcher3.ButtonDropTarget$2.run(ButtonDropTarget.java:235)
      5. com.android.launcher3.DragLayer$3.onAnimationEnd(DragLayer.java:784)
      5 frames
    3. Android Platform
      ActivityThread.main
      1. android.animation.ValueAnimator.endAnimation(ValueAnimator.java:1239)
      2. android.animation.ValueAnimator$AnimationHandler.doAnimationFrame(ValueAnimator.java:766)
      3. android.animation.ValueAnimator$AnimationHandler$1.run(ValueAnimator.java:801)
      4. android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
      5. android.view.Choreographer.doCallbacks(Choreographer.java:670)
      6. android.view.Choreographer.doFrame(Choreographer.java:603)
      7. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
      8. android.os.Handler.handleCallback(Handler.java:739)
      9. android.os.Handler.dispatchMessage(Handler.java:95)
      10. android.os.Looper.loop(Looper.java:148)
      11. android.app.ActivityThread.main(ActivityThread.java:5466)
      11 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
      2 frames