What type of view is it? There are only a handful of view classes that actually save and restore state (TextView and a few others). What type of object is it returning? (You could print the state bundle in onSaveInstanceState().)
On Tue, Nov 24, 2009 at 4:41 PM, Streets Of Boston <[email protected]>wrote: > Thanks Romain, > > Did not work... still the exception... > > It occurs on a View with an ID set to 'container'. > And i went into my View hierarchy to check. All looks fine.: > There is only one view with the id set to 'container'. > Every other view in the hierarchy has a unique name or no id at all. > > And still i get the exception after my process is killed, restarted > and my view is about to be restored.... > Doing super.onRestoreInstanceState(BaseSavedState.EMPTY_STATE); gets > rid of that exception. > > > Here's my code-snippet. > @Override > protected void onRestoreInstanceState(Parcelable parcelable) { > if (parcelable instanceof ViewBundle) { > final ViewBundle viewBundle = (ViewBundle)parcelable; > mSaveState = viewBundle.getBundle(); > > // Note that mRestoredBitmapOffFullSizedImage can be null! > // It won't be null on a configuration change, but it may be > // after this view's process/activity is restarted. > mRestoredBitmapOffFullSizedImage = > (Bitmap)viewBundle.getTransient > ("bitmapholder"); > super.onRestoreInstanceState(viewBundle.getSuperState()); > } > else { > // TODO > // This exception can be thrown when: > // Do edit image (Effects) > // Open Dialer app, make sure process > smugdroid.process.pictures > is killed. > // Then return to SnapFX --> > // java.lang.IllegalArgumentException: Wrong state class -- > expecting View Sate. > // Fixed it by always using BaseSavedState.EMPTY_STATE > instead of > 'parcelable'.... > super.onRestoreInstanceState(parcelable); // <-- Exception > happens > here when using 'parcelable'. > } > } > > > On Nov 24, 5:57 pm, Romain Guy <[email protected]> wrote: > > That would be worrisome because we do not save/restore the state of > > views without ids. > > > > On Tue, Nov 24, 2009 at 2:39 PM, Streets Of Boston > > > > > > > > > > > > <[email protected]> wrote: > > > I'm going to check that out. > > > > > What if it occurs on a View without an ID? > > > > > Thanks! > > > > > On Nov 24, 11:27 am, Romain Guy <[email protected]> wrote: > > >> This would happen if you have several views of different type with the > > >> same id inside a single view hierarchy. This could cause other > > >> problems so I really advise you to not hack around the default > > >> implementation of onRestoreInstanceState() but make sure that your UI > > >> is setup correctly. > > > > >> On Tue, Nov 24, 2009 at 7:28 AM, Streets Of Boston > > > > >> <[email protected]> wrote: > > >> > i've seen this too. > > >> > I got around it by overriding the problematic View's > > >> > onRestoreInstanceState method: > > > > >> > public void onRestoreInstanceState(Bundle savedState) { > > >> > ... > > >> > ... > > >> > super.onRestoreInstanceState(BaseSavedState.EMPTY_STATE); > > >> > } > > > > >> > I took a look at the android.view.View's implementation of this > > >> > onRestoreInstanceState method and it only expects the > > >> > BaseSavedState.EMPTY_STATE as valid input. It checks for if > > >> > (savedState != BaseSavedState.EMPTY_STATE) then throw exception ... > > > > >> > For me it went wrong because 'savedState' is no longer the actual > > >> > BaseSavedState.EMPTY_STATE instance but a de-serialized copy of it > > >> > (after the killed process has been restored/restarted) and this > means > > >> > that the '!=' operator returns true and an exception is thrown. > > > > >> > On Nov 24, 10:08 am, Mark Wyszomierski <[email protected]> wrote: > > >> >> Hi, > > > > >> >> I'm testing how my app behaves when killed by the OS due to low > memory > > >> >> conditions. I always have three activities on the stack, like: > > > > >> >> A B C (then C launches maps or some other heavy process) > > > > >> >> when my app is killed, and I return to it, C starts itself up again > > >> >> ok. When I hit the back button to go to B, I [sometimes] get an > > >> >> exception thrown which I can't trace. Output is below. I don't know > > >> >> where to go from here. I've only seen one other post mentioning > this > > >> >> exception, but it was related to a reproducable error when rotating > > >> >> the device. This only happens sometimes. Thanks for any help: > > > > >> >> 11-24 07:52:12.469: ERROR/AndroidRuntime(5877): Uncaught handler: > > >> >> thread main exiting due to uncaught exception > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): > > >> >> java.lang.RuntimeException: Unable to start activity ComponentInfo > > >> >> {com.test.android/com.test.android.ui.ActivityHello}: > > >> >> java.lang.IllegalArgumentException: Wrong state class -- expecting > > >> >> View State > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > > >> >> 2268) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> > android.app.ActivityThread.handleLaunchActivity(ActivityThread.java: > > >> >> 2284) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.app.ActivityThread.access$1800(ActivityThread.java:112) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> > android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.os.Handler.dispatchMessage(Handler.java:99) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.os.Looper.loop(Looper.java:123) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.app.ActivityThread.main(ActivityThread.java:3948) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> java.lang.reflect.Method.invokeNative(Native Method) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> java.lang.reflect.Method.invoke(Method.java:521) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run > > >> >> (ZygoteInit.java:782) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> dalvik.system.NativeStart.main(Native Method) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): Caused by: > > >> >> java.lang.IllegalArgumentException: Wrong state class -- expecting > > >> >> View State > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.view.View.onRestoreInstanceState(View.java:5359) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.view.View.dispatchRestoreInstanceState(View.java:5335) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java: > > >> >> 1093) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java: > > >> >> 1097) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java: > > >> >> 1097) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java: > > >> >> 1097) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java: > > >> >> 1097) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.view.View.restoreHierarchyState(View.java:5314) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState > > >> >> (PhoneWindow.java:1501) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.app.Activity.onRestoreInstanceState(Activity.java:834) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.app.Activity.performRestoreInstanceState(Activity.java:800) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> android.app.Instrumentation.callActivityOnRestoreInstanceState > > >> >> (Instrumentation.java:1172) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): at > > >> >> > android.app.ActivityThread.performLaunchActivity(ActivityThread.java: > > >> >> 2245) > > >> >> 11-24 07:52:12.539: ERROR/AndroidRuntime(5877): ... 11 more > > > > >> > -- > > >> > You received this message because you are subscribed to the Google > > >> > Groups "Android Developers" group. > > >> > To post to this group, send email to > [email protected] > > >> > To unsubscribe from this group, send email to > > >> > [email protected]<android-developers%[email protected]> > > >> > For more options, visit this group at > > >> >http://groups.google.com/group/android-developers?hl=en > > > > >> -- > > >> Romain Guy > > >> Android framework engineer > > >> [email protected] > > > > >> Note: please don't send private questions to me, as I don't have time > > >> to provide private support. All such questions should be posted on > > >> public forums, where I and others can see and answer them- Hide quoted > text - > > > > >> - Show quoted text - > > > > > -- > > > You received this message because you are subscribed to the Google > > > Groups "Android Developers" group. > > > To post to this group, send email to > [email protected] > > > To unsubscribe from this group, send email to > > > [email protected]<android-developers%[email protected]> > > > For more options, visit this group at > > >http://groups.google.com/group/android-developers?hl=en > > > > -- > > Romain Guy > > Android framework engineer > > [email protected] > > > > Note: please don't send private questions to me, as I don't have time > > to provide private support. All such questions should be posted on > > public forums, where I and others can see and answer them- Hide quoted > text - > > > > - Show quoted text - > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
