It looks like you are starting Activity B with startActivityForResult. Are you trying to receive some information back into Activity A from Activity B?
If not, you just want to use startActivity instead. Steven Studio LFP http://www.studio-lfp.com On Saturday, October 22, 2011 9:36:10 AM UTC-5, ndiiie90 wrote: > > Hi guys, > > i implement facebook sdk in my app and just follow the tutorial. > When i call other activity, let's say: > the activity that i implement facebook sdk is activity A, from there i can > call other activity which is B. > From B, i press back button, then it goes back to A. But it returns error: > > > ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): FATAL EXCEPTION: main > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): java.lang.RuntimeException: > Failure delivering result ResultInfo{who=null, request=0, result=0, > data=null} to activity {pt.bm.vv/test.test.Test}: > java.lang.NullPointerException > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.app.ActivityThread.deliverResults(ActivityThread.java:3515) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.app.ActivityThread.handleSendResult(ActivityThread.java:3557) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.app.ActivityThread.access$2800(ActivityThread.java:125) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.app.ActivityThread$H.handleMessage(ActivityThread.java:2063) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.os.Handler.dispatchMessage(Handler.java:99) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.os.Looper.loop(Looper.java:123) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.app.ActivityThread.main(ActivityThread.java:4627) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > java.lang.reflect.Method.invokeNative(Native Method) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > java.lang.reflect.Method.invoke(Method.java:521) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > dalvik.system.NativeStart.main(Native Method) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): Caused by: > java.lang.NullPointerException > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > test.test.Test.onActivityResult(Test.java:507) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.app.Activity.dispatchActivityResult(Activity.java:3890) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): at > android.app.ActivityThread.deliverResults(ActivityThread.java:3511) > 10-22 21:33:23.445: ERROR/AndroidRuntime(538): ... 11 more > > ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > Anyone has idea to solve this problem? > > > Thanks > -- 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
