You might want to check out this thread: http://groups.google.co.jp/group/android-developers/browse_thread/thread/1cfcbfd3fb754b64
I'm having the same problem right now. I'll let you know if I find a solution. -- Eric On Oct 28, 5:12 pm, Lee <labor...@gmail.com> wrote: > I'm getting a null pointer exception in TabHost.java whenever I start > my TabActivity by pressing the enter key or pressing the trackball on > the button that starts the activity. > > So I've got a button called "start" that in its onClick handler will > start a TabActivity. Tapping on the button starts the TabActivity > fine, however when I press the button using the "enter" key or the > trackball I get the following trap. > > I've seen another thread related to this > athttp://groups.google.com/group/android-developers/browse_thread/threa... > > My stack trace is below: > > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): Uncaught handler: > thread main exiting due to uncaught exception > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): > java.lang.NullPointerException > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > android.widget.TabHost.onTouchModeChanged(TabHost.java:179) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > android.view.ViewTreeObserver.dispatchOnTouchModeChanged > (ViewTreeObserver.java:591) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > android.view.ViewRoot.ensureTouchModeLocally(ViewRoot.java:1877) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > android.view.ViewRoot.performTraversals(ViewRoot.java:715) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > android.view.ViewRoot.handleMessage(ViewRoot.java:1613) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > android.os.Handler.dispatchMessage(Handler.java:99) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > android.os.Looper.loop(Looper.java:123) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > android.app.ActivityThread.main(ActivityThread.java:4203) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > java.lang.reflect.Method.invokeNative(Native Method) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > java.lang.reflect.Method.invoke(Method.java:521) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run > (ZygoteInit.java:791) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) > 10-28 22:10:18.849: ERROR/AndroidRuntime(1078): at > dalvik.system.NativeStart.main(Native Method) > > But with no word from the Android team. Is this a framework issue? > > Thanks > Lee -- 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