Android Facebook api 3.0错误:无法使用null调用包调用LoginActivity

时间:2013-01-02 14:13:25

标签: android facebook facebook-android-sdk tabactivity

我正在尝试将Android应用程序与新的facebook 3.0 api集成,但我得到了这个例外:

  

java.lang.RuntimeException:无法恢复活动   {dk.imu.konnekt / com.facebook.LoginActivity}:   com.facebook.FacebookException:无法使用null调用LoginActivity   调用包。如果调用者的launchMode是,则会发生这种情况   singleInstance。

我已经搜索过这个错误,但似乎没有其他任何人对此有任何争议。我想这是因为我为每个标签使用TabHost和TabsGroupActivities。但我不知道如何解决它。

我在这里添加了相关代码:

public class MainTabActivity extends TabActivity {    
    public void onCreate(Bundle savedInstanteState){
        super.onCreate(savedInstanteState);
        setContentView(R.layout.tab_layout);
        TabHost tabHost = getTabHost();

        View shareTab = getLayoutInflater().inflate(R.layout.share_tab, null);
        tabHost.addTab(tabHost.newTabSpec("Share").setIndicator(shareTab)
        .setContent(new Intent(MainTabActivity.this, ShareGroupActivity.class)));

        ...
    }
}

-

public class ShareGroupActivity extends TabsGroupActivity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        startChildActivity("ShareActivity", new Intent(this, ShareActivity.class));
    }
}

-

public class ShareActivity extends BaseActivity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.share);

        testFacebookConnection();
    }

    public void testFacebookConnection(){
        Session session = new Session(this);
        Session.setActiveSession(session);
        SessionState state = session.getState();

        Settings.addLoggingBehavior(LoggingBehavior.INCLUDE_ACCESS_TOKENS);

        Session.StatusCallback statusCallback = 
            new Session.StatusCallback() {
            @Override
            public void call(Session session, SessionState state, Exception exception) {
                Toast.makeText(ShareActivity.this, "Facebook session status changed", Toast.LENGTH_SHORT).show(); 
            }
        };

        if (!session.isOpened() && !session.isClosed() && session.getState() != SessionState.OPENING) {
            OpenRequest open = new OpenRequest(this).setCallback(statusCallback);
            List<String> permission = new ArrayList<String>();
            permission.add("publish_actions");
            open.setPermissions(permission);
            session.openForPublish(open);
        } else {
            Session.openActiveSession(this, true, statusCallback);
        }
    }   

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

有关如何解决问题的任何线索?

更新1个堆栈跟踪:

  

FATAL EXCEPTION:main java.lang.RuntimeException:无法恢复   活动{dk.imu.konnekt / com.facebook.LoginActivity}:   com.facebook.FacebookException:无法使用null调用LoginActivity   调用包。如果调用者的launchMode是,则会发生这种情况   singleInstance。在   android.app.ActivityThread.performResumeActivity(ActivityThread.java:2812)   在   android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2851)   在   android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2234)   在android.app.ActivityThread.access $ 600(ActivityThread.java:139)at   android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1261)   在android.os.Handler.dispatchMessage(Handler.java:99)   android.os.Looper.loop(Looper.java:154)at   android.app.ActivityThread.main(ActivityThread.java:4945)at   java.lang.reflect.Method.invokeNative(Native Method)at   java.lang.reflect.Method.invoke(Method.java:511)at   com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:784)   在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)at   dalvik.system.NativeStart.main(Native方法)引起:   com.facebook.FacebookException:无法使用null调用LoginActivity   调用包。如果调用者的launchMode是,则会发生这种情况   singleInstance。在   com.facebook.LoginActivity.onResume(LoginActivity.java:110)at   android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1236)   在android.app.Activity.performResume(Activity.java:4613)at   android.app.ActivityThread.performResumeActivity(ActivityThread.java:2796)   ......还有12个

更新2: 我查看了代码并找到了startChildActivity的实现:

public void startChildActivity(String Id, Intent intent) {     
   Window window = getLocalActivityManager().startActivity(Id,intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP));
   if (window != null) {
       mIdList.add(Id);
       setContentView(window.getDecorView()); 
   }    
}

它使用标志FLAG_ACTIVITY_CLEAR_TOP。我试图删除它,但结果没有变化。

更新3:

https://github.com/facebook/facebook-android-sdk/blob/master/facebook/src/com/facebook/LoginActivity.java

Facebook代码使用

callingPackage = getCallingPackage();

if (callingPackage == null) {
       throw new FacebookException(NULL_CALLING_PKG_ERROR_MSG);
}

http://developer.android.com/reference/android/app/Activity.html#getCallingPackage()

此方法有一个注释:

  

如果调用活动不期望结果(也就是说没有结果)   使用包含a的startActivityForResult(Intent,int)表单   请求代码),然后调用包将为null。

在方法startChildActivity中,我使用扩展ActivityGroup的TabsGroupActivity中的getLocalActivityManager()。startActivity来处理选项卡活动。 http://developer.android.com/reference/android/app/LocalActivityManager.html#startActivity(java.lang.String, android.content.Intent)

这种方法不符合说明。它不期望结果,也不使用startActivityForResult方法。该方法还确保类似于单实例启动模式。 我应该如何更改此方法实现,以便它可以与Facebook一起使用?

4 个答案:

答案 0 :(得分:7)

我设法找到了我的问题。虽然我没有设置

机器人:launchMode = “singleTask”

我的LoginActivity

机器人:noHistory = “真”

导致该异常。我把noHistory设为true,因为我不希望用户在登录后按下第一个活动上的后退按钮并返回登录屏幕。现在我需要找到另一种解决方案。

答案 1 :(得分:5)

经过大量搜索后,我发现似乎没有办法使用选项卡中使用的LocalActivityManager来启动StartActivityForResult。

所以我最终接受了需要填充整个屏幕的活动。活动只显示了一个左右的网络连接良好 - 我已经在错误的重新发布选项上做了..

开始发布活动:

Intent intent = new Intent(this, FacebookShareActivity.class);
intent.putExtra(Constants.FACEBOOK_MESSAGE, shareMessage.getMessage());
startActivityForResult(intent, 1);

Facebook共享活动代码 - 发布到用户墙:

public class FacebookShareActivity extends Activity {
    String message;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.facebook_publishing);

        message = getIntent().getExtras().getString(Constants.FACEBOOK_MESSAGE);
        createFacebookConnection();
    }

    public void republishButton_Click(View view){
        setVisibilityForRepublishButton(false);
        createFacebookConnection();
    }

    public void createFacebookConnection() {
        Session session = new Session(this);
        Session.setActiveSession(session);

        Settings.addLoggingBehavior(LoggingBehavior.INCLUDE_ACCESS_TOKENS);

        Session.StatusCallback statusCallback = new Session.StatusCallback() {
            @Override
            public void call(Session session, SessionState state, Exception exception) {
                String message = "Facebook session status changed - " + session.getState() + " - Exception: " + exception;
                //Toast.makeText(FacebookShareActivity.this, message, Toast.LENGTH_SHORT).show();
                Log.w("Facebook test", message);

                if (session.isOpened() || session.getPermissions().contains("publish_actions")) {
                    publishToWall();
                } else if (session.isOpened()) {
                    OpenRequest open = new OpenRequest(FacebookShareActivity.this).setCallback(this);
                    List<String> permission = new ArrayList<String>();
                    permission.add("publish_actions");
                    open.setPermissions(permission);
                    Log.w("Facebook test", "Open for publish");
                    session.openForPublish(open);
                }
            }
        };

        if (!session.isOpened() && !session.isClosed() && session.getState() != SessionState.OPENING) {
            session.openForRead(new Session.OpenRequest(this).setCallback(statusCallback));
        } else {
            Log.w("Facebook test", "Open active session");
            Session.openActiveSession(this, true, statusCallback);
        }
    }

    private void setVisibilityForRepublishButton(Boolean visible) {
        ((Button) findViewById(R.id.republishButton)).setVisibility(visible ? View.VISIBLE : View.GONE);
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);
        //Toast.makeText(FacebookShareActivity.this, "onActivityResult", Toast.LENGTH_SHORT).show();
    }

    void publishToWall() {
        Session session = Session.getActiveSession();

        Bundle postParams = new Bundle();
        postParams.putString("message", message);

        final Context context = this;
        Request.Callback callback = new Request.Callback() {
            public void onCompleted(Response response) {
                FacebookRequestError error = response.getError();
                if (error != null) {
                    setVisibilityForRepublishButton(true);
                    Toast.makeText(context, error.getErrorMessage(), Toast.LENGTH_SHORT).show();
                } else {
                    JSONObject graphResponse = response.getGraphObject().getInnerJSONObject();
                    String postId = null;
                    try {
                        postId = graphResponse.getString("id");
                    } catch (JSONException e) {
                        setVisibilityForRepublishButton(true);
                        Log.i("Facebook error", "JSON error " + e.getMessage());
                    }
                    //Toast.makeText(context, postId, Toast.LENGTH_LONG).show();
                    finish();
                }
            }
        };

        Request request = new Request(Session.getActiveSession(), "me/feed", postParams, HttpMethod.POST, callback);

        RequestAsyncTask task = new RequestAsyncTask(request);
        task.execute();
    }
}

答案 2 :(得分:2)

我遇到了同样的问题:尝试使用SDK中提供的对话框登录facebook,但是来自一个tabgroup中的活动;比如上面的ShareActivity。

我所做的基本上是在ShareActivity的父活动(即ShareGroupActivity)上调用startActivityForResult,而不是在ShareActivity上调用它。

所以1,在ShareGroupActivity中添加:

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    System.out.println("facebook status called");
    super.onActivityResult(requestCode, resultCode, data);
    Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);
}

2你需要修改在FacebookSDK项目中的类Session,在src com.facebook

2.1添加一个布尔成员

public boolean insideTabGroup;

2.2修改StartActivityDelegate,即会话用来打开登录;将布尔值添加为参数

interface StartActivityDelegate {
    public void startActivityForResult(Intent intent, int requestCode, boolean insideTabGroup);

    public Activity getActivityContext();
}
2.3内部类AuthorizationRequest内部,修改此委托的实现:

    AuthorizationRequest(final Activity activity) {
        startActivityDelegate = new StartActivityDelegate() {
            @Override
            public void startActivityForResult(Intent intent, int requestCode, boolean insideTabGroup) {
                if(insideTabGroup) {
                    ActivityGroup parentActivity = (ActivityGroup) activity.getParent();
                    parentActivity.startActivityForResult(intent,requestCode);

                } else {
                    activity.startActivityForResult(intent, requestCode);
                }
            }

            @Override
            public Activity getActivityContext() {
                return activity;
            }
        };
    }

2.4此外,通过添加布尔参数来修改AuthorizationRequest的其他构造函数。因为我不使用从活动以外的其他地方登录Facebook,这没关系。

2.5修改Session类的tryLoginActivity方法,使用boolean成员作为参数:

private boolean tryLoginActivity(AuthorizationRequest request) {
    Intent intent = getLoginActivityIntent(request);

    if (!resolveIntent(intent)) {
        return false;
    }

    try {
        request.getStartActivityDelegate().startActivityForResult(intent, request.getRequestCode(),this.insideTabGroup);

    } catch (ActivityNotFoundException e) {
        return false;
    }

    return true;
}

3在会话中设置布尔成员:

Session session = Session.getActiveSession();
session.insideTabGroup = true;

这应该可以解决问题。

CDT

答案 3 :(得分:0)

我在Parse.com Facebook SDK集成时遇到了同样的错误,并且由于错过了对ParseFacebookUtils.finishAuthentication中记录的@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); ParseFacebookUtils.finishAuthentication(requestCode, resultCode, data); } 的调用而感到错误。

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