ClassCastException: android.view.AbsSavedState$1 cannot be cast to io.flutter.embedding.android.FlutterSplashView$SavedState #94329
Description
1、when I from flutter1.22.3 upgrade to flutter2.5.3 ，I encountered two similar crashes probabilistic happen，crash log is below
2、other info：My Activity extends the FlutterFragmentActivity
3、About this crash, I review the flutter source code, maybe because the FlutterFragmentActivity contains a non-random integer as a viewid，example，if the viewid equals the FlutterView's id or the FlutterSplashView‘s id，the This crash is going to happen
4、In addition recommendations：I find FlutterSplashView class's onRestoreInstanceState method is not robust enough，I recommend you look at the Android Framework's TextView 's onRestoreInstanceState implementation
@Override
public void onRestoreInstanceState(Parcelable state) {
if (!(state instanceof SavedState)) {
super.onRestoreInstanceState(state);
return;
}
SavedState ss = (SavedState) state;
super.onRestoreInstanceState(ss.getSuperState());
...........
...........
}
crash log
-------------------------the first log below-------------------------
---java.lang.ClassCastException: android.view.AbsSavedState$1 cannot be cast to io.flutter.embedding.android.FlutterSplashView$SavedState
io.flutter.embedding.android.FlutterSplashView.onRestoreInstanceState(FlutterSplashView.java:102)
android.view.View.dispatchRestoreInstanceState(View.java:20065)
android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:3902)
android.view.View.restoreHierarchyState(View.java:20043)
androidx.fragment.app.Fragment.restoreViewState(Fragment.java:573)
androidx.fragment.app.FragmentStateManager.restoreViewState(FragmentStateManager.java:346)
androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1187)
androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1354)
androidx.fragment.app.FragmentManager.moveFragmentToExpectedState(FragmentManager.java:1432)
androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1495)
androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:2617)
androidx.fragment.app.FragmentManager.dispatchActivityCreated(FragmentManager.java:2569)
androidx.fragment.app.FragmentController.dispatchActivityCreated(FragmentController.java:247)
androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:541)
android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1433)
android.app.Activity.performStart(Activity.java:7986)
android.app.ActivityThread.handleStartActivity(ActivityThread.java:3528)
android.app.servertransaction.TransactionExecutor.performLifecycleSequence(TransactionExecutor.java:226)
android.app.servertransaction.TransactionExecutor.cycleToPath(TransactionExecutor.java:206)
android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:178)
android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:102)
android.app.ActivityThread$H.handleMessage(ActivityThread.java:2229)
android.os.Handler.dispatchMessage(Handler.java:107)
android.os.Looper.loop(Looper.java:238)
android.app.ActivityThread.main(ActivityThread.java:7798)
java.lang.reflect.Method.invoke(Native Method)
com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:512)
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:995)
-------------------------the second log below-------------------------
---java.lang.ClassCastException: android.view.View$BaseSavedState cannot be cast to io.flutter.embedding.android.FlutterSplashView$SavedState
io.flutter.embedding.android.FlutterSplashView.onRestoreInstanceState(FlutterSplashView.java:102)
android.view.View.dispatchRestoreInstanceState(View.java:21048)
android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:4204)
android.view.View.restoreHierarchyState(View.java:21026)
androidx.fragment.app.Fragment.restoreViewState(Fragment.java:573)
androidx.fragment.app.FragmentStateManager.restoreViewState(FragmentStateManager.java:346)
androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1187)
androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1354)
androidx.fragment.app.FragmentManager.moveFragmentToExpectedState(FragmentManager.java:1432)
androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1495)
androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:2617)
androidx.fragment.app.FragmentManager.dispatchActivityCreated(FragmentManager.java:2569)
androidx.fragment.app.FragmentController.dispatchActivityCreated(FragmentController.java:247)
androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:541)
android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1450)
android.app.Activity.performStart(Activity.java:8382)
android.app.ActivityThread.handleStartActivity(ActivityThread.java:4113)
android.app.servertransaction.TransactionExecutor.performLifecycleSequence(TransactionExecutor.java:235)
android.app.servertransaction.TransactionExecutor.cycleToPath(TransactionExecutor.java:215)
android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:187)
android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:105)
android.app.ActivityThread$H.handleMessage(ActivityThread.java:2532)
android.os.Handler.dispatchMessage(Handler.java:109)
android.os.Looper.loop(Looper.java:228)
android.app.ActivityThread.main(ActivityThread.java:8731)
java.lang.reflect.Method.invoke(Native Method)
com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:613)
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1085)