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Editorial Team
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Asked: 2026-06-11T05:18:11+00:00

I received an error report for an Android application via Acra. There is no

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I received an error report for an Android application via Acra. There is no reference to a line number in my code in the stack trace. How do I know were the problem lies with my code? Could anyone please assist me.

Stack trace:

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.itse.htsurvey/com.itse.htsurvey.Question2Page2Activity}: java.lang.ClassCastException: android.widget.CompoundButton$SavedState cannot be cast to android.widget.AbsSpinner$SavedState
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1815)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1831)
        at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3188)
        at android.app.ActivityThread.access$600(ActivityThread.java:122)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1028)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:132)
        at android.app.ActivityThread.main(ActivityThread.java:4123)
        at java.lang.reflect.Method.invokeNative(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:491)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
        at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassCastException: android.widget.CompoundButton$SavedState cannot be cast to android.widget.AbsSpinner$SavedState
        at android.widget.AbsSpinner.onRestoreInstanceState(AbsSpinner.java:421)
        at android.view.View.dispatchRestoreInstanceState(View.java:8316)
        at android.view.ViewGroup.dispatchThawSelfOnly(ViewGroup.java:2038)
        at android.widget.AdapterView.dispatchRestoreInstanceState(AdapterView.java:766)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.View.restoreHierarchyState(View.java:8295)
        at com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState(PhoneWindow.java:1489)
        at android.app.Activity.onRestoreInstanceState(Activity.java:898)
        at android.app.Activity.performRestoreInstanceState(Activity.java:870)
        at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1099)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1793)
        ... 12 more
java.lang.ClassCastException: android.widget.CompoundButton$SavedState cannot be cast to android.widget.AbsSpinner$SavedState
        at android.widget.AbsSpinner.onRestoreInstanceState(AbsSpinner.java:421)
        at android.view.View.dispatchRestoreInstanceState(View.java:8316)
        at android.view.ViewGroup.dispatchThawSelfOnly(ViewGroup.java:2038)
        at android.widget.AdapterView.dispatchRestoreInstanceState(AdapterView.java:766)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2024)
        at android.view.View.restoreHierarchyState(View.java:8295)
        at com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState(PhoneWindow.java:1489)
        at android.app.Activity.onRestoreInstanceState(Activity.java:898)
        at android.app.Activity.performRestoreInstanceState(Activity.java:870)
        at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1099)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1793)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1831)
        at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3188)
        at android.app.ActivityThread.access$600(ActivityThread.java:122)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1028)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:132)
        at android.app.ActivityThread.main(ActivityThread.java:4123)
        at java.lang.reflect.Method.invokeNative(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:491)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
        at dalvik.system.NativeStart.main(Native Method)

My code com.itse.htsurvey.Question2Page2Activity: http://pastebin.com/gPYyZ0GH

Edit 1: Some more information – I think it might be because of a widget Id conflict. The savedState part indicates that this happened after an Activity recreation? This layout consists of dynamically added views/layouts and they are given id’s at runtime.

Edit 2: Just to confirm that in al the testing done, this is the first time I have received this error. I have not been able to reproduce it.

Edit 3: I was able to reproduce the error when I changed the orientation of the device. How do I then fix this?

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1 Answer

  1. Editorial Team

    After reading up on onSaveInstanceState and onRestoreInstanceState. I added the following code. I am already saving the state of all of the views, so no need for the default implementation of onSaveInstanceState and onRestoreInstanceStat.

    @Override
    public void onSaveInstanceState(Bundle savedInstanceState) {
        saveEnteredData();  
    }

    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {

    }
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