swift - 拒绝权限处理 Facebook 登录

Question

我试图强制我的用户提供他们的数据以访问我的应用。

由于 Swift 3 中的语法发生了一些变化，我一直在开发它。基本上我的想法如下:

let permissions = ["public_profile", "user_birthday", "user_photos"]

PFFacebookUtils.logInInBackground(withReadPermissions: permissions, block:
{ (user, error) -> Void in

            // casting user to FBSDKLoginManagerLoginResult
            // asking for specific data declined/granted Permissions
            if let user = user as? FBSDKLoginManagerLoginResult {

            print(user.declinedPermissions)
            print(user.grantedPermissions)
        }}

我的打印方法永远不会被调用。从用户(PFUser？)转换为 FBSDKLoginManagerLoginResult 的真正方法是什么？

Answer 1

尝试取回实际的 FBSDKLoginManagerLoginResult 作为结果而不是用户。

 let login:FBSDKLoginManager = FBSDKLoginManager()
 let permissions = ["public_profile", "user_birthday", "user_photos"]
 login.logIn(withReadPermissions: permissions, from: self) { (result: FBSDKLoginManagerLoginResult?, error: Error?) -> Void in
   if(FBSDKAccessToken.current() != nil){
       let permissions = FBSDKAccessToken.current().permissions
       print(permissions)
       //Do whatever else you need to do with the result
 }