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Editorial Team
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Asked: 2026-05-16T04:24:58+00:00

In my application, sometimes the following exception is thrown: 07-28 14:49:25.398: ERROR/AndroidRuntime(8097): java.lang.IllegalStateException: The

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In my application, sometimes the following exception is thrown:

07-28 14:49:25.398: ERROR/AndroidRuntime(8097):
java.lang.IllegalStateException: The content of the adapter has changed
but ListView did not receive a notification. Make sure the content of
your adapter is not modified from a background thread, but only from the
UI thread. [in ListView(2131099717, class android.widget.ListView) with
Adapter(class ch.uzh.csg.games4blue.gamebase.view.UserView$UserAdapter)]
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.ListView.layoutChildren(ListView.java:1432)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.AbsListView.onLayout(AbsListView.java:1113)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.View.layout(View.java:6831)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.layoutVertical(LinearLayout.java:998)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.onLayout(LinearLayout.java:918)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.View.layout(View.java:6831)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1108)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.onLayout(LinearLayout.java:920)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.View.layout(View.java:6831)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.FrameLayout.onLayout(FrameLayout.java:333)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.View.layout(View.java:6831)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.layoutVertical(LinearLayout.java:998)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.onLayout(LinearLayout.java:918)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.View.layout(View.java:6831)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.setChildFrame(LinearLayout.java:1119)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.layoutVertical(LinearLayout.java:998)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.LinearLayout.onLayout(LinearLayout.java:918)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.View.layout(View.java:6831)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.FrameLayout.onLayout(FrameLayout.java:333)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.View.layout(View.java:6831)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.widget.FrameLayout.onLayout(FrameLayout.java:333)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.View.layout(View.java:6831)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.ViewRoot.performTraversals(ViewRoot.java:996)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.view.ViewRoot.handleMessage(ViewRoot.java:1633)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.os.Handler.dispatchMessage(Handler.java:99)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.os.Looper.loop(Looper.java:123)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
android.app.ActivityThread.main(ActivityThread.java:4338)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
java.lang.reflect.Method.invokeNative(Native Method)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
java.lang.reflect.Method.invoke(Method.java:521)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
07-28 14:49:25.398: ERROR/AndroidRuntime(8097):     at
dalvik.system.NativeStart.main(Native Method)

It’s difficult to find the error, because in the stacktrace none of my methods is listed. So, does anyone know when this exception is thrown? Thanks for any hints.

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1 Answer

  1. Editorial Team

    You can see the error in your stacktrace :

    The content of the adapter has changed
    but ListView did not receive a
    notification. Make sure the content of
    your adapter is not modified from a
    background thread, but only from the
    UI thread.

    You should look into one of your thread and make it synchronized with your UI thread.

    The way to do this in Android is with Handler.

    http://developer.android.com/guide/appendix/faq/commontasks.html#threading

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