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我正在遵循Facebook Developers页面上的确切教程并安装Scrumptious application在随附的 android 手机上Facebook Android SDK 3.0。每当我将用户名和密码传递到 Facebook 登录页面时。我总是得到以下NPE

奇怪的是,每当我在模拟器上运行相同的应用程序时,它都运行良好。

而且,如果我尝试在手机上运行相同的应用程序但没有安装 Facebook 应用程序,那么 Scrumptious 应用程序可以正常工作。

我也尝试过使用其他 Facebook SDK 示例。他们中的大多数都因相同的 NPE 而失败。

java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=64206, result=0, data=null} to activity {com.facebook.scrumptious/com.facebook.LoginActivity}: java.lang.NullPointerException

02-02 12:49:25.520: E/AndroidRuntime(5219): at android.app.ActivityThread.deliverResults(ActivityThread.java:3182)
02-02 12:49:25.520: E/AndroidRuntime(5219): at android.app.ActivityThread.handleSendResult(ActivityThread.java:3225)
02-02 12:49:25.520: E/AndroidRuntime(5219): at android.app.ActivityThread.access$1100(ActivityThread.java:140)
02-02 12:49:25.520: E/AndroidRuntime(5219): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1275)
02-02 12:49:25.520: E/AndroidRuntime(5219): at android.os.Handler.dispatchMessage(Handler.java:99)
02-02 12:49:25.520: E/AndroidRuntime(5219): at android.os.Looper.loop(Looper.java:137)
02-02 12:49:25.520: E/AndroidRuntime(5219): at android.app.ActivityThread.main(ActivityThread.java:4898)
02-02 12:49:25.520: E/AndroidRuntime(5219): at java.lang.reflect.Method.invokeNative(Native Method)
02-02 12:49:25.520: E/AndroidRuntime(5219): at java.lang.reflect.Method.invoke(Method.java:511)
02-02 12:49:25.520: E/AndroidRuntime(5219): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
02-02 12:49:25.520: E/AndroidRuntime(5219): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
02-02 12:49:25.520: E/AndroidRuntime(5219): at dalvik.system.NativeStart.main(Native Method)
02-02 12:49:25.520: E/AndroidRuntime(5219): Caused by: java.lang.NullPointerException
02-02 12:49:25.520: E/AndroidRuntime(5219): at com.facebook.NativeProtocol.isServiceDisabledResult20121101(NativeProtocol.java:238)
02-02 12:49:25.520: E/AndroidRuntime(5219): at com.facebook.AuthorizationClient$KatanaLoginDialogAuthHandler.onActivityResult(AuthorizationClient.java:587)
02-02 12:49:25.520: E/AndroidRuntime(5219): at com.facebook.AuthorizationClient.onActivityResult(AuthorizationClient.java:142)
02-02 12:49:25.520: E/AndroidRuntime(5219): at com.facebook.LoginActivity.onActivityResult(LoginActivity.java:134)
02-02 12:49:25.520: E/AndroidRuntime(5219): at android.app.Activity.dispatchActivityResult(Activity.java:5390)
02-02 12:49:25.520: E/AndroidRuntime(5219): at android.app.ActivityThread.deliverResults(ActivityThread.java:3178)
02-02 12:49:25.520: E/AndroidRuntime(5219): ... 11 more

还有这个错误-

03-23 19:08:28.820: E/AndroidRuntime(28599): java.lang.RuntimeException: Unable to stop activity {com.facebook.katana/com.facebook.katana.platform.PlatformWrapperActivity}: java.lang.NullPointerException

我正在开发 Android SDK 3.0

有没有人在手机上尝试过 Facebook 示例示例而不是在模拟器上?如果有人能够在手机上运行示例示例,请告诉我。

任何帮助将不胜感激。谢谢您的帮助。

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