Android Facebook SDK 3.0会话状态“开放”

我正在使用他们的文档整合Facebook的登录。我遇到了一个问题，当我点击Facebook登录插件的会话更改为“开放”和应用程序崩溃Android Facebook SDK 3.0会话状态“开放”

我对Facebook的按钮布局

<com.facebook.widget.LoginButton 
    android:id="@+id/authButton" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_alignParentBottom="true" 
    android:layout_centerHorizontal="true" 
    />

，这个片段

public class FacebookFragment extends Fragment { 
private static final String TAG = "FacebookFragment"; 
private UiLifecycleHelper uiHelper; 
private Session.StatusCallback callback = new Session.StatusCallback() { 
    @Override 
    public void call(final Session session, final SessionState state, final Exception exception) { 
     onSessionStateChange(session, state, exception); 
    } 
}; 

@Override 
public View onCreateView(LayoutInflater inflater, 
     ViewGroup container, 
     Bundle savedInstanceState) { 
    View view = inflater.inflate(R.layout.activity_main, container, false); 
    LoginButton authButton = (LoginButton) view.findViewById(R.id.authButton); 
    authButton.setFragment(this); 
    authButton.setReadPermissions(Arrays.asList("user_likes", "user_status")); 
    return view; 
} 

@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    uiHelper = new UiLifecycleHelper(getActivity(), callback); 
    uiHelper.onCreate(savedInstanceState); 
} 

@Override 
public void onResume() { 
    super.onResume(); 
    Session session = Session.getActiveSession(); 
    if (session != null && 
      (session.isOpened() || session.isClosed())) { 
     onSessionStateChange(session, session.getState(), null); 
    } 

    uiHelper.onResume(); 
} 

@Override 
public void onActivityResult(int requestCode, int resultCode, Intent data) { 
    super.onActivityResult(requestCode, resultCode, data); 
    uiHelper.onActivityResult(requestCode, resultCode, data); 
} 

@Override 
public void onPause() { 
    super.onPause(); 
    uiHelper.onPause(); 
} 

@Override 
public void onDestroy() { 
    super.onDestroy(); 
    uiHelper.onDestroy(); 
} 

@Override 
public void onSaveInstanceState(Bundle outState) { 
    super.onSaveInstanceState(outState); 
    uiHelper.onSaveInstanceState(outState); 
} 

private void onSessionStateChange(Session session, SessionState state, Exception exception) { 
    if (state.isOpened()) { 
     Log.i(TAG, "Logged in..."); 
    } else if (state.isClosed()) { 
     Log.i(TAG, "Logged out..."); 
    } 
    else 
     Log.i(TAG, session.toString()); 
}

}

在活动中，我已经实现了所需的onActivityResult并检索片段

protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    if(savedInstanceState == null) { 
      // Add the fragment on initial activity setup 
      mainFragment = new FacebookFragment(); 
      getSupportFragmentManager() 
      .beginTransaction() 
      .add(android.R.id.content, mainFragment) 
      .commit(); 
     } else { 
      // Or set the fragment from restored state info 
      mainFragment = (FacebookFragment) getSupportFragmentManager() 
      .findFragmentById(android.R.id.content); 
     } 
} 


    @Override 
public void onActivityResult(int requestCode, int resultCode, Intent data) { 
    super.onActivityResult(requestCode, resultCode, data); 
    Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data); 
}

我想也许问题出在密钥哈希，但我完全遵循了方向，从张贴在这个问题Key hash for Android-Facebook app

如何去“打开”状态的任何铅的答案将是很大的赞赏

来源

2013-05-07 Darussian

在onResume()添加session.addCallback(callback)：

super.onResume(); 
Session session = Session.getActiveSession(); 
session.addCallback(callback);

来源

2013-05-07 14:12:06

谢谢当我到达我的电脑时，我会给它一个 – Darussian 2013-05-07 14:41:53

我还没有尝试过，但回调的目的是什么？ – Darussian 2013-05-07 16:51:51

回调函数是一个具有抽象方法（调用）的接口，每次会话更改状态（打开，关闭，打开，...）时都会调用该方法。你已经在你的代码中实现了Session.Callback（回调）。你需要它来检查会话终于改变状态时打开 – 2013-05-07 17:00:04

的问题是在其Android版本：clearTaskOnLaunch = “true”，从而是干什么的活动g登录facebook。 OnActivityResult无法被调用。当我以调试模式运行应用程序时，我能够得到一个异常。

来源

2013-05-08 17:37:20 Darussian

+10

在AndroidManifest中+1'android：noHistory =“true”'是我的理由。 – caw 2013-05-29 13:42:39

Android Facebook SDK 3.0会话状态“开放”

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