I developed an appwidget and published on market, it works very well
on Cupcake. but after I upgrade my OS to Donut.Everytime when I slide
out/in keyboard, I will got an error:

The process android.process.acore has stopped unexpected.Please try
again.

I have to click "force close", and wait about 3 seconds to get the
home screen. It seems my appwidget cause this error, because after I
uninstall the appwidget, the error also gone. One of my user reported
to me the same problem, he was sure it's my appwidget's problem,
because he erase all application and install one by one to test which
application cause the error, he found after he installed my appwidget,
the error occured again.

It's very strange,I checked Donut documents, seems the appwidget api
have no change.I don't know what happend when keyboard slide out/in,
does any body know why this happen?

below is the log capture from DDMS when the error occured.


10-20 22:50:28.503: DEBUG/AndroidRuntime(764): Shutting down VM

10-20 22:50:28.503: WARN/dalvikvm(764): threadid=3: thread exiting
with uncaught exception (group=0x4001da28)

10-20 22:50:28.523: ERROR/AndroidRuntime(764): Uncaught handler:
thread main exiting due to uncaught exception

10-20 22:50:28.703: ERROR/AndroidRuntime(764):
java.lang.ClassCastException: android.view.AbsSavedState$1

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
com.android.launcher.Workspace.onRestoreInstanceState(Workspace.java:
903)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.view.View.dispatchRestoreInstanceState(View.java:5689)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:
1121)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:
1125)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:
1125)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.view.View.restoreHierarchyState(View.java:5668)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState
(PhoneWindow.java:1506)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.app.Activity.onRestoreInstanceState(Activity.java:833)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
com.android.launcher.Launcher.finishBindDesktopItems(Launcher.java:
1508)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
com.android.launcher.Launcher.bindItems(Launcher.java:1472)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
com.android.launcher.Launcher.access$2400(Launcher.java:90)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
com.android.launcher.Launcher$DesktopBinder.handleMessage
(Launcher.java:2225)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.os.Handler.dispatchMessage(Handler.java:99)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.os.Looper.loop(Looper.java:123)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
android.app.ActivityThread.main(ActivityThread.java:4203)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
java.lang.reflect.Method.invokeNative(Native Method)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
java.lang.reflect.Method.invoke(Method.java:521)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
(ZygoteInit.java:791)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)

10-20 22:50:28.703: ERROR/AndroidRuntime(764):     at
dalvik.system.NativeStart.main(Native Method)

10-20 22:50:28.713: INFO/Process(81): Sending signal. PID: 764 SIG: 3

10-20 22:50:28.713: INFO/dalvikvm(764): threadid=7: reacting to signal
3

10-20 22:50:28.963: INFO/dalvikvm(764): Wrote stack trace to '/data/
anr/traces.txt'

10-20 22:50:29.313: INFO/DumpStateReceiver(81): Added state dump to 1
crashes

10-20 22:50:31.003: DEBUG/dalvikvm(81): GC freed 10815 objects /
597576 bytes in 274ms
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