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
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