This might help.
http://groups.google.com/group/android-developers/browse_thread/thread/db839840e8f20dc1/ed7737e3e3587881
Al.
On Jan 29, 3:16 am, "Sean E. Russell" <seaneruss...@gmail.com> wrote:
> I have a strange problem where, if the screen is rotated while a
> dialog is displayed, an exception gets thrown every time. It happens
> _only_ during this single dialog, and the exception is thrown outside
> of the app (there's no trace information that touches any of my
> code). It happens in both the emulator and the G1.
>
> I'm wondering if anybody has any suggestions about how I might analyze
> this problem, or what might be the cause. The stack trace, for what
> it is worth, follows. Is this something I can work around, or is it
> an Android bug?
>
> Thanks!
>
> E/AndroidRuntime( 353): Uncaught handler: thread main exiting due to
> uncaught exception
> E/AndroidRuntime( 353): java.lang.RuntimeException: Unable to start
> activity ComponentInfo{net.ser1.timetracker/
> net.ser1.timetracker.Tasks}: java.lang.NullPointerException
> E/AndroidRuntime( 353): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
> 2140)
> E/AndroidRuntime( 353): at
> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
> 2156)
> E/AndroidRuntime( 353): at
> android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:
> 3086)
> E/AndroidRuntime( 353): at android.app.ActivityThread.access
> $1900(ActivityThread.java:112)
> E/AndroidRuntime( 353): at android.app.ActivityThread
> $H.handleMessage(ActivityThread.java:1584)
> E/AndroidRuntime( 353): at android.os.Handler.dispatchMessage
> (Handler.java:88)
> E/AndroidRuntime( 353): at android.os.Looper.loop(Looper.java:
> 123)
> E/AndroidRuntime( 353): at android.app.ActivityThread.main
> (ActivityThread.java:3742)
> E/AndroidRuntime( 353): at
> java.lang.reflect.Method.invokeNative(Native Method)
> E/AndroidRuntime( 353): at java.lang.reflect.Method.invoke
> (Method.java:515)
> E/AndroidRuntime( 353): at com.android.internal.os.ZygoteInit
> $MethodAndArgsCaller.run(ZygoteInit.java:739)
> E/AndroidRuntime( 353): at
> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
> E/AndroidRuntime( 353): at dalvik.system.NativeStart.main
> (Native Method)
> E/AndroidRuntime( 353): Caused by: java.lang.NullPointerException
> E/AndroidRuntime( 353): at
> android.app.Activity.restoreManagedDialogs(Activity.java:850)
> E/AndroidRuntime( 353): at
> android.app.Activity.performRestoreInstanceState(Activity.java:793)
> E/AndroidRuntime( 353): at
> android.app.Instrumentation.callActivityOnRestoreInstanceState
> (Instrumentation.java:1171)
> E/AndroidRuntime( 353): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
> 2117)
> E/AndroidRuntime( 353): ... 12 more
>
> --- SER
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