I get no errors when I use TrackBall click to select a tab in
TabActivity. Tested on my apps targeting each 1.1 SDK and 1.5 SDK.
Now, I am not using separate activities for my tab contents, so that
may make a difference.

On Jun 25, 2:21 am, Explore Android <stetest...@googlemail.com> wrote:
> I am also facing the same issue, not sure this is framework issue or
> application issue.
> Any experts have a say on this issue?
> (I am working with Android 1.5 SDK)
>
> On Jun 17, 2:26 pm, roland <roland...@gmail.com> wrote:
>
> > I just found a strange issue in my application which contains a
> > ListView. When one item is clicked, a TabActivity will be launched, i
> > got a NullPointerException when i press the item by using trackball.
> > But it's fine when i press the item by using finger.
>
> > This is the logcat message:
> > D/AndroidRuntime(32224): Shutting down VM
> > W/dalvikvm(32224): threadid=3: thread exiting with uncaught exception
> > (group=0x4000fe70)
> > E/AndroidRuntime(32224): Uncaught handler: thread main exiting due to
> > uncaught exception
> > E/AndroidRuntime(32224): java.lang.NullPointerException
> > E/AndroidRuntime(32224):        at android.widget.TabHost.onTouchModeChanged
> > (TabHost.java:178)
> > E/AndroidRuntime(32224):        at
> > android.view.ViewTreeObserver.dispatchOnTouchModeChanged
> > (ViewTreeObserver.java:591)
> > E/AndroidRuntime(32224):        at
> > android.view.ViewRoot.ensureTouchModeLocally(ViewRoot.java:1736)
> > E/AndroidRuntime(32224):        at android.view.ViewRoot.performTraversals
> > (ViewRoot.java:667)
> > E/AndroidRuntime(32224):        at android.view.ViewRoot.handleMessage
> > (ViewRoot.java:1482)
> > E/AndroidRuntime(32224):        at android.os.Handler.dispatchMessage
> > (Handler.java:99)
> > E/AndroidRuntime(32224):        at android.os.Looper.loop(Looper.java:123)
> > E/AndroidRuntime(32224):        at android.app.ActivityThread.main
> > (ActivityThread.java:3948)
> > E/AndroidRuntime(32224):        at java.lang.reflect.Method.invokeNative
> > (Native Method)
> > E/AndroidRuntime(32224):        at java.lang.reflect.Method.invoke
> > (Method.java:521)
> > E/AndroidRuntime(32224):        at com.android.internal.os.ZygoteInit
> > $MethodAndArgsCaller.run(ZygoteInit.java:782)
> > E/AndroidRuntime(32224):        at com.android.internal.os.ZygoteInit.main
> > (ZygoteInit.java:540)
> > E/AndroidRuntime(32224):        at dalvik.system.NativeStart.main(Native
> > Method)
>
> > Has anyone met this kind of issue? Thanks for sharing your experience.
>
>
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers-unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to