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Editorial Team
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Asked: 2026-05-23T05:24:59+00:00

It’s happening inside the Android framework, and so hard to understand either what’s causing

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It’s happening inside the Android framework, and so hard to understand either what’s causing it, or how to fix it or workaround it. The exceptions are being logged from customer usage – I cannot reproduce the error, and customer reports are anonymous so I cannot ask them for more details.

java.lang.NullPointerException
at android.widget.PopupWindow$PopupViewContainer.dispatchKeyEvent(PopupWindow.java:1359)
at android.view.ViewRoot.deliverKeyEventToViewHierarchy(ViewRoot.java:2471)
at android.view.ViewRoot.deliverKeyEvent(ViewRoot.java:2431)
at android.view.ViewRoot.handleMessage(ViewRoot.java:1741)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4627)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:871)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
at dalvik.system.NativeStart.main(Native Method)
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1 Answer

  1. Editorial Team

    You will need to find the source code for whatever version of Android is associated with a given trace, then check out what that line is. I can tell you that the latest code indexed by Google Code Search does not have line 1359 inside dispatchKeyEvent().

    Looking at the indexed dispatchKeyEvent(), the only way I can see a NullPointerException occurring directly in that method would be if the KeyEvent itself were null for some reason.

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