2016-03-28 107 views
2

登錄後再次出現我根據自己的文檔Facebook登錄對話框中

的問題是,之後用戶輸入其憑據(1個對話)進行登錄並確認應用程序的權限來實現對Android的Facebook登錄(2對話)facebook連接只需返回到(1對話框),再次請求憑證。爲什麼發生這種情況?

在Facebook的用戶,我可以看到在應用程序列表中選擇應用

這是我的代碼:

CallbackManager callbackManager = CallbackManager.Factory.create(); 
    LoginButton loginButton = (LoginButton) findViewById(R.id.login_button); 
    loginButton.setReadPermissions("public_profile","user_friends"); 
    // Callback registration 
    loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() { 
     @Override 
     public void onSuccess(LoginResult loginResult) { 
      // App code 
      Log.i(Utils.TAG,"succesfull login to facebook"); 

      // App code 
      GraphRequest request = GraphRequest.newMeRequest(
        loginResult.getAccessToken(), 
        new GraphRequest.GraphJSONObjectCallback() { 
         @Override 
         public void onCompleted(JSONObject object, GraphResponse response) { 
          Log.i("LoginActivity", response.toString()); 

          try { 
          }catch (Exception e) 
          { Log.i(Utils.TAG, e.getMessage()); 
          } 
         } 
        }); 
     } 

     @Override 
     public void onCancel() { 
      // App code 
      Log.i(Utils.TAG,"onCancel login to facebook"); 
     } 

     @Override 
     public void onError(FacebookException exception) { 
      // App code 
      Log.i(Utils.TAG,"onError login to facebook"); 
      Log.i(Utils.TAG,exception.getMessage()); 
     } 
    }); 



    loginButton.setOnClickListener(new View.OnClickListener() { 
     @Override 
     public void onClick(View view) { 
    //  LoginManager.getInstance().logInWithReadPermissions((Activity)m_context, Arrays.asList("public_profile", "email", "user_birthday", "user_friends")); 
      LoginManager.getInstance().logInWithReadPermissions((Activity)m_context, Arrays.asList("public_profile", "user_friends")); 
     } 
    }); 


} 

@Override 
protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
    Log.i(Utils.TAG,"onActivityResult called"); 
    super.onActivityResult(requestCode, resultCode, data); 
    callbackManager.onActivityResult(requestCode, resultCode, data); 
} 

我應該指出,沒有任何回調的登錄流程中被調用,只有當我關閉對話框

回答

2

是的,這是因爲你使用的登錄按鈕和登錄管理器都..你必須從他們只選擇一個..因爲他們都具有相同的功能。我建議你從這裏刪除登錄管理器代碼。

loginButton.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 
     //  LoginManager.getInstance().logInWithReadPermissions((Activity)m_context, Arrays.asList("public_profile", "email", "user_birthday", "user_friends")); 
       LoginManager.getInstance().logInWithReadPermissions((Activity)m_context, Arrays.asList("public_profile", "user_friends")); 
      } 
     }); 

oginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() { 
     @Override 
     public void onSuccess(LoginResult loginResult) { 
      // App code 
      Log.i(Utils.TAG,"succesfull login to facebook"); 

      // App code 
      GraphRequest request = GraphRequest.newMeRequest(
        loginResult.getAccessToken(), 
        new GraphRequest.GraphJSONObjectCallback() { 
         @Override 
         public void onCompleted(JSONObject object, GraphResponse response) { 
          Log.i("LoginActivity", response.toString()); 

          try { 
          }catch (Exception e) 
          { Log.i(Utils.TAG, e.getMessage()); 
          } 
         } 
        }); 
     } 

     @Override 
     public void onCancel() { 
      // App code 
      Log.i(Utils.TAG,"onCancel login to facebook"); 
     } 

     @Override 
     public void onError(FacebookException exception) { 
      // App code 
      Log.i(Utils.TAG,"onError login to facebook"); 
      Log.i(Utils.TAG,exception.getMessage()); 
     } 
    }); 
0

這是因爲Facebook登錄API使用Chrome瀏覽器。在您登錄一次之後,Chrome瀏覽器會保存該信息。如果您在Chrome瀏覽器中註銷Facebook,則可能會出現'1對話框'。