Alright, I solved the problem by moving all view element out of OnCreate();
On Feb 5, 9:04 am, Mystique <[email protected]> wrote: > Hi, > > I have a listview and is working good but i realize if I do a screen > orientation change it will crash. Why is that so? > > Many thanks. > > --- > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): FATAL EXCEPTION: main > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): > java.lang.NullPointerException > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.widget.SimpleAdapter.getCount(SimpleAdapter.java:93) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.widget.AdapterView.checkFocus(AdapterView.java:689) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.widget.AdapterView > $AdapterDataSetObserver.onInvalidated(AdapterView.java:813) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.database.DataSetObservable.notifyInvalidated(DataSetObservable.java : > 43) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.widget.BaseAdapter.notifyDataSetInvalidated(BaseAdapter.java: > 54) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.widget.SimpleAdapter > $SimpleFilter.publishResults(SimpleAdapter.java:383) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.widget.Filter$ResultsHandler.handleMessage(Filter.java:282) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.os.Handler.dispatchMessage(Handler.java:99) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.os.Looper.loop(Looper.java:123) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > android.app.ActivityThread.main(ActivityThread.java:4627) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > java.lang.reflect.Method.invokeNative(Native Method) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > java.lang.reflect.Method.invoke(Method.java:521) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > com.android.internal.os.ZygoteInit > $MethodAndArgsCaller.run(ZygoteInit.java:868) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) > 02-05 01:04:41.208: ERROR/AndroidRuntime(14593): at > dalvik.system.NativeStart.main(Native Method) -- 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
