关于Android上的Facebook登录 [英] About facebook login on Android

问题描述

我注意到，一些游戏使用Facebook SDK登录到他们的游戏。我第一次登录时，它显示一个登录表单，并到他们的应用程序。注销并重新后，它不显示Facebook登录的形式了。如果我想与其他Facebook账户登录，我必须使用Facebook应用程序。为什么？为什么游戏的注销按钮不实登出，以及？它是一个正确的机制？

I notice that some games use Facebook SDK to login to their game. The first time I logged in, it shows a login form and go to their app. After logging out and in again, it doesn't show Facebook login form anymore. If I want to login with another Facebook account, I have to use Facebook app. Why? Why does the logout button of the game not logout Facebook as well? Is it a correct mechanism?

推荐答案

被Facebook SDK提供的，然后我有这样的变化打开Facebook.java：

Open Facebook.java provided by facebook sdk and then i had changes like this:

public void authorize(Activity activity, String[] permissions,
            int activityCode, final DialogListener listener) {

        boolean singleSignOnStarted = false;

        mAuthDialogListener = listener;

      /*  // Prefer single sign-on, where available.
        if (activityCode >= 0) {
            singleSignOnStarted = startSingleSignOn(activity, mAppId,
                    permissions, activityCode);
        }
        // Otherwise fall back to traditional dialog.
        if (!singleSignOnStarted) {*/
            startDialogAuth(activity, permissions);
       // }
    }

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