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我引用其他人的代码来获取包括电子邮件地址在内的fb用户详细信息。 http://www.kpbird.com/2013/03/android-login-using-facebook-sdk-30.htmlFacebook用于登录和获取用户详细信息，包括电子邮件地址
，但它有错误
12-24 10:02:00.836: E/AndroidRuntime(3736): FATAL EXCEPTION: main
12-24 10:02:00.836: E/AndroidRuntime(3736): java.lang.NoClassDefFoundError: android.support.v4.content.LocalBroadcastManager
12-24 10:02:00.836: E/AndroidRuntime(3736): at com.facebook.internal.SessionTracker.<init>(SessionTracker.java:76)
12-24 10:02:00.836: E/AndroidRuntime(3736): at com.facebook.widget.LoginButton.finishInit(LoginButton.java:533)
12-24 10:02:00.836: E/AndroidRuntime(3736): at com.facebook.widget.LoginButton.onFinishInflate(LoginButton.java:526)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.view.LayoutInflater.rInflate(LayoutInflater.java:774)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.view.LayoutInflater.rInflate(LayoutInflater.java:769)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.view.LayoutInflater.inflate(LayoutInflater.java:498)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.view.LayoutInflater.inflate(LayoutInflater.java:398)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.view.LayoutInflater.inflate(LayoutInflater.java:354)
12-24 10:02:00.836: E/AndroidRuntime(3736): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:361)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.app.Activity.setContentView(Activity.java:1956)
12-24 10:02:00.836: E/AndroidRuntime(3736): at com.example.kpbird.MainActivity.onCreate(MainActivity.java:28)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.app.Activity.performCreate(Activity.java:5372)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2257)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2349)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.app.ActivityThread.access$700(ActivityThread.java:159)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.os.Handler.dispatchMessage(Handler.java:99)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.os.Looper.loop(Looper.java:137)
12-24 10:02:00.836: E/AndroidRuntime(3736): at android.app.ActivityThread.main(ActivityThread.java:5419)
12-24 10:02:00.836: E/AndroidRuntime(3736): at java.lang.reflect.Method.invokeNative(Native Method)
12-24 10:02:00.836: E/AndroidRuntime(3736): at java.lang.reflect.Method.invoke(Method.java:525)
12-24 10:02:00.836: E/AndroidRuntime(3736): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1187)
12-24 10:02:00.836: E/AndroidRuntime(3736): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
12-24 10:02:00.836: E/AndroidRuntime(3736): at dalvik.system.NativeStart.main(Native Method)
就是Facebook LoginButton cant't在这种方法中使用？