Ios 使用FBSDK的FbLogin有时工作速度非常慢

不要把它当作重复的问题，我提出这个问题是因为答案没有帮助， 集成对我来说很好，但是页面加载速度非常慢

加载登录屏幕需要很长时间。登录操作需要8-50秒或更长时间

有时加载身份验证屏幕需要10秒以上

以下代码用于FBLoginButtoAction

func loginButton(loginButton: FBSDKLoginButton!, didCompleteWithResult result: FBSDKLoginManagerLoginResult!, error: NSError!){

        if(error != nil){

            print(error.localizedDescription)

            return

        }

        if result.isCancelled{

            showAlert(title: "Login Cancelled", message: "You have cancelled login through Facebook")

        }

        if FBSDKAccessToken.currentAccessToken() != nil{

            print("Logged in")

        }

    }

---

您可以使用NSNotification方法进行FBlogin。 只需遵循以下步骤

在ViewDidload中为NSNotification设置FBDelegate和观察者

self.btnFBLogin.delegate = self
self.btnFBLogin.readPermissions = ["public_profile","email","user_friends"]

FBSDKProfile.enableUpdatesOnAccessTokenChange(true)
NSNotificationCenter.defaultCenter().addObserver(self, selector: "getUserProfile:", name: FBSDKProfileDidChangeNotification, object: nil)

2.现在为NSNotification创建一个自定义函数，如

   func getUserProfile(notification : NSNotification)
{
    let accessToken = FBSDKAccessToken.currentAccessToken()
    if(accessToken != nil)
    {

        let req = FBSDKGraphRequest(graphPath: "me", parameters: ["fields":"email,name"], tokenString: accessToken.tokenString, version: nil, HTTPMethod: "GET")
        req.startWithCompletionHandler({ (connection, result, error : NSError!) -> Void in
            if(error == nil)
            {
                print("result \(result)")
                let userInfo = result as AnyObject
                if let email = userInfo.valueForKey("email") as? NSString
                {
                    print(email)
                }
                else
                {
                    let loginManager = FBSDKLoginManager()
                    loginManager.logOut()
                }
            }
            else
            {
                print("error \(error)")
            }
        })
    }
}

注意：不要在FB委托方法中写入任何逻辑。就放在那里

---

我认为这将有助于你bcz它对我来说很好。：）

您可以使用NSNotification方法进行FBlogin。 只需遵循以下步骤

在ViewDidload中为NSNotification设置FBDelegate和观察者

self.btnFBLogin.delegate = self
self.btnFBLogin.readPermissions = ["public_profile","email","user_friends"]

FBSDKProfile.enableUpdatesOnAccessTokenChange(true)
NSNotificationCenter.defaultCenter().addObserver(self, selector: "getUserProfile:", name: FBSDKProfileDidChangeNotification, object: nil)

2.现在为NSNotification创建一个自定义函数，如

   func getUserProfile(notification : NSNotification)
{
    let accessToken = FBSDKAccessToken.currentAccessToken()
    if(accessToken != nil)
    {

        let req = FBSDKGraphRequest(graphPath: "me", parameters: ["fields":"email,name"], tokenString: accessToken.tokenString, version: nil, HTTPMethod: "GET")
        req.startWithCompletionHandler({ (connection, result, error : NSError!) -> Void in
            if(error == nil)
            {
                print("result \(result)")
                let userInfo = result as AnyObject
                if let email = userInfo.valueForKey("email") as? NSString
                {
                    print(email)
                }
                else
                {
                    let loginManager = FBSDKLoginManager()
                    loginManager.logOut()
                }
            }
            else
            {
                print("error \(error)")
            }
        })
    }
}

注意：不要在FB委托方法中写入任何逻辑。就放在那里

我认为这将有助于你bcz它对我来说很好。：）