Question

我是swift和ios的新手，我正在开发一款应用程序来学习。我正在尝试使用FBSDK在我的应用程序中提供登录功能

我有一个viewcontroller并使用界面构建器添加了UIButton。我能够使用IBOutlet和IBAction连接到UIButton来查看控制器。

在按钮的操作中，我试图调用LoginManager.login 我看到一个弹出窗口，重定向到Facebook，但没有显示Facebook权限页面，并重定向回viewcontroller页面

我认为它必须在稍后完成完成处理程序我试着像

那样调用doFacebookLoginFunc

DispatchQueue.main.async {
doFacebookLoginFunc()
}

但观察到类似的行为

func doFacebookLoginFunc() {

        print("use facebook login")
        let permissions = ["user_profile", "email","public_profile"]

        var loginManager  = FBSDKLoginManager()

        loginManager.logIn(withReadPermissions: permissions,from: self){
            (loginResult, error) -> Void in
            //println(FBSDKLoginManagerLoginResult
            print("inside login completion handler")
            print(loginResult)
            //var fbloginresult : FBSDKLoginManagerLoginResult = loginResult!

            if (error == nil){

                if(loginResult!.grantedPermissions.contains("email") {
                    print("email success")

                }

            }

        }
}



    @IBAction func doFacebookLogin(_ sender: UIButton) {

        print("doFacebookLogin start")

 doFacebookLoginFunc()

        print("doFacebookLogin complete")




    }

AppDelegate.m

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
    // Override point for customization after application launch.
     FBSDKApplicationDelegate.sharedInstance().application(application, didFinishLaunchingWithOptions: launchOptions)
    return true
}
func application(_ application: UIApplication,
                 open url: URL,
                 sourceApplication: String?,
                 annotation: AnyObject) -> Bool {

    print ("new application called")
    let tmp: Bool = FBSDKApplicationDelegate.sharedInstance().application(
        application,
        open: url,
        sourceApplication: sourceApplication,
        annotation: annotation)
    print ("new application called and returning \(tmp)")

    return tmp

}
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
    // Override point for customization after application launch.
     FBSDKApplicationDelegate.sharedInstance().application(application, didFinishLaunchingWithOptions: launchOptions)
    return true
}

func application(_ application: UIApplication,
                 open url: URL,
                 sourceApplication: String?,
                 annotation: AnyObject) -> Bool {

    print ("new application called")
    let tmp: Bool = FBSDKApplicationDelegate.sharedInstance().application(
        application,
        open: url,
        sourceApplication: sourceApplication,
        annotation: annotation)
    print ("new application called and returning \(tmp)")

    return tmp

}

func applicationDidBecomeActive(_ application: UIApplication) {
    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.

    FBSDKAppEvents.activateApp()

}

当我点击按钮

时，这是控制台输出

doFacebookLogin启动使用facebook登录 2016-08-03 19：50：39.717思考[59012：4249476] -canOpenURL：URL失败：＆＃34; fbauth2：/＆＃34; - 错误：＆＃34;（null）＆＃34; 2016-08-03 19：50：39.722思考[59012：4249476] -canOpenURL：URL失败：＆＃34; fbauth2：/＆＃34; - 错误：＆＃34;（null）＆＃34; doFacebookLogin完成新的应用程序叫内部登录完成处理程序零新应用程序调用并返回true

我已经在Facebook开发人员上使用入门指南配置了应用程序我可以使用仪表板中配置的测试用户

使用FBSDKLoginButton登录

感谢大家通过这个

使用UIButton重定向行为

0 个答案: