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POclass cast exception on orientation change (Android)
 

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  1. POclass cast exception on orientation change (Android)
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    <p>I have an activity which is hosted by tab activity. When i change screen orientation my app crashes. </p> <pre><code>02-14 21:01:35.825: E/AndroidRuntime(9424): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.testapp/com.example.testapp.MainActivity} java.lang.ClassCastException: android.view.AbsSavedState$1 cannot be cast to android.widget.AbsListView$SavedState 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2194) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2229) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3791) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.ActivityThread.access$700(ActivityThread.java:139) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1265) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.os.Handler.dispatchMessage(Handler.java:99) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.os.Looper.loop(Looper.java:154) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.ActivityThread.main(ActivityThread.java:4945) 02-14 21:01:35.825: E/AndroidRuntime(9424): at java.lang.reflect.Method.invokeNative(Native Method) 02-14 21:01:35.825: E/AndroidRuntime(9424): at java.lang.reflect.Method.invoke(Method.java:511) 02-14 21:01:35.825: E/AndroidRuntime(9424): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 02-14 21:01:35.825: E/AndroidRuntime(9424): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 02-14 21:01:35.825: E/AndroidRuntime(9424): at dalvik.system.NativeStart.main(Native Method) 02-14 21:01:35.825: E/AndroidRuntime(9424): Caused by: java.lang.ClassCastException: android.view.AbsSavedState$1 cannot be cast to android.widget.AbsListView$SavedState 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.widget.AbsListView.onRestoreInstanceState(AbsListView.java:1596) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.View.dispatchRestoreInstanceState(View.java:9977) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchThawSelfOnly(ViewGroup.java:2346) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.widget.AdapterView.dispatchRestoreInstanceState(AdapterView.java:778) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2332) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.view.View.restoreHierarchyState(View.java:9955) 02-14 21:01:35.825: E/AndroidRuntime(9424): at com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState(PhoneWindow.java:1671) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.Activity.onRestoreInstanceState(Activity.java:939) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.TabActivity.onRestoreInstanceState(TabActivity.java:84) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.Activity.performRestoreInstanceState(Activity.java:911) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1132) 02-14 21:01:35.825: E/AndroidRuntime(9424): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2172) 02-14 21:01:35.825: E/AndroidRuntime(9424): ... 12 more </code></pre> <p>This line in manifest doesn't help:</p> <pre><code>android:configChanges="orientation|keyboardHidden" </code></pre> <p>And one thing else: in my activity i use custom view (horizontal ListView) from <a href="https://github.com/dinocore1/DevsmartLib-Android" rel="noreferrer">https://github.com/dinocore1/DevsmartLib-Android</a></p> <p>The app is working fine without this custom view, but i need to use it.</p>
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    1. COPlease post your portrait and landscape layouts that are generating this crash.
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    2. COUnfortunately i don't have enough reputation to post images.(
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    3. COThe first tab contains listview Second tab contains HorizontalListView wich extends AdapterView<ListAdapter> I found that if i remove listview from first tab or HorizontalListView from the second, i can change orientation without any problem.
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