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Android facebook登录回调多次触发_Android_Facebook_Android Facebook - Fatal编程技术网

Android facebook登录回调多次触发

Android facebook登录回调多次触发,android,facebook,android-facebook,Android,Facebook,Android Facebook,我的应用程序正在使用共享按钮在用户时间线上共享故事。我正在做的是,用户点击共享按钮,若用户会话不存在,应用程序将强制用户登录Facebook。 当用户这样做时,故事需要直接发布。这是我的密码 onCreate方法 isShared = false; uiHelper = new UiLifecycleHelper(this, statusCallback); uiHelper.onCreate(savedInstanceState); Settings.addLo

我的应用程序正在使用共享按钮在用户时间线上共享故事。我正在做的是,用户点击共享按钮,若用户会话不存在,应用程序将强制用户登录Facebook。 当用户这样做时,故事需要直接发布。这是我的密码

onCreate方法

    isShared = false;
    uiHelper = new UiLifecycleHelper(this, statusCallback);
    uiHelper.onCreate(savedInstanceState);
    Settings.addLoggingBehavior(LoggingBehavior.INCLUDE_ACCESS_TOKENS);
    Session session = Session.getActiveSession();
    if (session == null) {

        if (savedInstanceState != null) {
            session = Session.restoreSession(this, null, statusCallback,
                    savedInstanceState);
        }
        if (session == null) {
            session = new Session(this);
        }
        Session.setActiveSession(session);
        if (session.getState().equals(SessionState.CREATED_TOKEN_LOADED)) {
            session.openForRead(new Session.OpenRequest(this)
                    .setCallback(statusCallback));
        }
    }       

    if (savedInstanceState != null) {
        pendingPublishReauthorization = savedInstanceState.getBoolean(
                PENDING_PUBLISH_KEY, false);
    }

    shareBtn.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View arg0) {
            doPostStory();                              
        }
    });
剩下的代码是-

    private void doPostStory() {
    Session session = Session.getActiveSession();
    if (!session.isOpened() && !session.isClosed()) {
        session.openForRead(new Session.OpenRequest(this)
                .setCallback(statusCallback));
    } else {
        isShared = true;
        Session.openActiveSession(this, true, statusCallback);
        publishStory();         
    }
}

private class SessionStatusCallback implements Session.StatusCallback {
    @Override
    public void call(Session session, SessionState state,
            Exception exception) {
        if(!isShared){
            updateView();
            isShared = true;
        }
    }
}

private void updateView() {
    Session session = Session.getActiveSession();
    if (session.isOpened()) {
        if(!isShared){
            publishStory();
        }
        Log.i("Session State callback", "Logged in");
    } else {
        Log.i("Session State Callback", "Logged Out");                      
    }
}   

@Override
public void onStart() {
    super.onStart();
    Session.getActiveSession().addCallback(statusCallback);
}

@Override
public void onStop() {
    super.onStop();
    Session.getActiveSession().removeCallback(statusCallback);
}

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

@Override
protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    Session session = Session.getActiveSession();
    Session.saveSession(session, outState);
    outState.putBoolean(PENDING_PUBLISH_KEY, pendingPublishReauthorization);
    uiHelper.onSaveInstanceState(outState);
}

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

@Override
public void onResume() {
    super.onResume();
    uiHelper.onResume();
}
publishStory()代码

private void publishStory(){
Session=Session.getActiveSession();
if(会话!=null){
//检查发布权限
List permissions=session.getPermissions();
如果(!isSubsetOf(权限、权限)){
pendingPublishReauthorization=真;
Session.newpermissions请求newpermissions请求=newsession.newpermissions请求(
这包括许可);
session.requestNewPublishPermissions(newPermissionsRequest);
返回;
}
Bundle postParams=新Bundle();
postParams.putString(“name”、“Some”);
putString(“标题”,updateTitle);
putString(“description”,updateText);
postParams.putString(“链接”http://somedomain.com");
postParams.putString(“picture”、“someurl”);
Request.Callback=new Request.Callback(){
未完成公共无效(响应){
JSONObject graphResponse=response.getGraphObject()
.getInnerJSONObject();
字符串postId=null;
试一试{
postId=graphResponse.getString(“id”);
}捕获(JSONException e){
Log.i(“asd”、“JSON错误”+e.getMessage());
}
FacebookRequestError=response.getError();
if(错误!=null){
Toast.makeText(UpdateDetails.this,
error.getErrorMessage(),Toast.LENGTH\u SHORT)
.show();
}否则{
Toast.makeText(UpdateDetails.this,posted,
Toast.LENGTH_LONG).show();
}
}
};
请求=新请求(会话“me/feed”、后参数、,
HttpMethod.POST,回调);
RequestAsyncTask任务=新的RequestAsyncTask(请求);
task.execute();
}否则{
Log.i(“会话状态”、“结束”);
}
}
代码不会在用户时间线上发布故事。但它发布了多次。这意味着,
statusCallback
被多次解雇。我尝试设置标志来检查故事帖子的状态。但它仍然发布了好几次

你知道这个代码有什么问题吗?非常感谢您的帮助


我不需要单独的登录按钮。我想要的是,用户点击共享按钮,如果登录它需要发布故事,否则登录用户,然后直接发布故事。

删除所有
publishStory()
调用。在回调中执行以下操作:

public void call(Session session, SessionState state,
        Exception exception) {
    if(session != null && session.isOpened() && isShared){
       publishStory();
    }
}
UpdateDetails
类中,将
isShared
声明为
boolean isShared=false
当用户点击“共享”按钮时,使其成为现实,如:

shareBtn.setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View arg0) {
        isShared = true;
        doPostStory();                              
    }
});
在您的
publishStory
s
onComplete
make
ishared
false中。比如:

public void onCompleted(Response response) {
    isShared = false;
    ...................
    ...................
}

希望这会有所帮助。

创建Facebook会话对象
然后在onCreate方法中应用它

 Session.openActiveSession(this, true, new Session.StatusCallback() {

        // callback when session changes state
        @Override
        public void call(Session session, SessionState state,
                Exception exception) {
            if (session.isOpened()) {

                // make request to the /me API
                Request.newMeRequest(session,
                        new Request.GraphUserCallback() {

                            // callback after Graph API response with user
                            // object
                            @Override
                            public void onCompleted(GraphUser user,
                                    Response response) {
                                FacebookLoginActivity.this.progressDialog = ProgressDialog
                                        .show(YourActivity.this,
                                                "",
                                                "",
                                                true);
                                if (user != null) {

                                   Intent passIntent = new Intent(YourActivity.this,Second.class)
                                   startActivity(passIntent)
                                }
                            }
                        }).executeAsync();

            }
        }
    });

发布您的
publishStory()
@Shoshi添加了
publishStory()
在您点击共享按钮之前您的故事是否正在发布?否。。只有在我点击按钮后,它才会发布很多次。你能告诉我,它发布了多少次吗?这是正确的。会话可以过渡到许多状态,所有这些状态都将导致调用回调。您应该始终选中isOpened()。
 Session.openActiveSession(this, true, new Session.StatusCallback() {

        // callback when session changes state
        @Override
        public void call(Session session, SessionState state,
                Exception exception) {
            if (session.isOpened()) {

                // make request to the /me API
                Request.newMeRequest(session,
                        new Request.GraphUserCallback() {

                            // callback after Graph API response with user
                            // object
                            @Override
                            public void onCompleted(GraphUser user,
                                    Response response) {
                                FacebookLoginActivity.this.progressDialog = ProgressDialog
                                        .show(YourActivity.this,
                                                "",
                                                "",
                                                true);
                                if (user != null) {

                                   Intent passIntent = new Intent(YourActivity.this,Second.class)
                                   startActivity(passIntent)
                                }
                            }
                        }).executeAsync();

            }
        }
    });