ios - Swift 5 - Facebook 登录 : LoginManager() always return cancelled

Question

我关注这个tutorial我从 xcode 收到此错误消息，请帮忙。

FBSDKLog: There is already a request for authenticated session. Cancelling active SFAuthenticationSession before starting the new one.

Answer 1

您可以执行以下操作...

let manager = LoginManager() // create object of LoginManager class
manager.logOut() //<- Logout if there is any existing session
manager.logIn(permissions: ["public_profile", "email"], from: self) { (result, error) in


   //your code goes here...

}