Question

我创建了一个示例应用，其中用户使用Facebook登录按钮登录。

登录后，我会在登录屏幕上显示用户名和电子邮件。它正在使用Swift 2.3。一旦我迁移到Swift 3，它就停止了工作。

步骤1：使用Facebook登录按钮登录
第2步：允许电子邮件和个人资料的权限
第3步：这里应该回到第1屏幕。但事实并非如此。附加我点击“确定”按钮时得到的日志。

更新1：App在iOS 9.3上正常运行。该问题仅在iOS 10设备上发生。

public void ConfigureAuth(IApplicationBuilder app, IOptions<PolicySettings> policySettings)
{
    app.UseJwtBearerAuthentication(new JwtBearerOptions
    {
        AuthenticationScheme = JwtBearerDefaults.AuthenticationScheme,
        AutomaticAuthenticate = true,
        AutomaticChallenge = true,
        MetadataAddress = "https://login.microsoftonline.com/[my-tenant].onmicrosoft.com/v2.0/.well-known/openid-configuration?p=B2C_1_my-signup-signin-policy",
        Audience = "[My-Azure-App-Guid]",
        Events = new JwtBearerEvents
        {
            OnTokenValidated= ctx =>
            {
                var nameClaim = ctx.AuthenticationTicket.Principal.FindFirst("name");
                if (nameClaim != null)
                {
                    var claimsIdentity = (System.Security.Claims.ClaimsIdentity)ctx.AuthenticationTicket.Principal.Identity;
                    claimsIdentity.AddClaim(new System.Security.Claims.Claim(System.Security.Claims.ClaimTypes.Name, nameClaim.Value));
                }
                return Task.FromResult(0);
            },
            OnAuthenticationFailed = ctx =>
            {
                ctx.SkipToNextMiddleware();
                return Task.FromResult(0);
            }
        }
    });
}

这是我的代码。

的ViewController

2016-06-19 08:30:09.300070 MyApp[13942:1214112] [] nw_endpoint_handler_start [4 graph.facebook.com:443 initial path (null)]
2016-06-19 08:30:09.300484 MyApp[13942:1214112] [] nw_connection_endpoint_report [4 graph.facebook.com:443 initial path (null)] reported event path:start
2016-06-19 08:30:09.301255 MyApp[13942:1214112] [] nw_connection_endpoint_report [4 graph.facebook.com:443 waiting path (satisfied)] reported event path:satisfied
2016-06-19 08:30:09.302664 MyApp[13942:1214112] [] nw_connection_endpoint_report [4 graph.facebook.com:443 in_progress resolver (satisfied)] reported event resolver:start_dns
2016-06-19 08:30:09.348956 MyApp[13942:1214130] [] nw_endpoint_resolver_update [4 graph.facebook.com:443 in_progress resolver (satisfied)] Adding endpoint handler for 31.13.79.246:443
2016-06-19 08:30:09.349570 MyApp[13942:1214130] [] nw_connection_endpoint_report [4 graph.facebook.com:443 in_progress resolver (satisfied)] reported event resolver:receive_dns
2016-06-19 08:30:09.350027 MyApp[13942:1214130] [] nw_endpoint_resolver_start_next_child [4 graph.facebook.com:443 in_progress resolver (satisfied)] starting child endpoint 31.13.79.246:443
2016-06-19 08:30:09.350564 MyApp[13942:1214130] [] nw_host_stats_add_src recv too small, received 24, expected 28
2016-06-19 08:30:09.351022 MyApp[13942:1214130] [] nw_endpoint_resolver_start_next_child [4 graph.facebook.com:443 in_progress resolver (satisfied)] starting next child endpoint in 250ms
2016-06-19 08:30:09.351479 MyApp[13942:1214130] [] nw_endpoint_handler_start [4.1 31.13.79.246:443 initial path (null)]
2016-06-19 08:30:09.351862 MyApp[13942:1214130] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 initial path (null)] reported event path:start
2016-06-19 08:30:09.352596 MyApp[13942:1214130] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 waiting path (satisfied)] reported event path:satisfied
2016-06-19 08:30:09.352915 MyApp[13942:1214130] [] __nwlog_err_simulate_crash_libsystem libsystem simulate crash unavailable, [libsystem_network.dylib: nw_endpoint_get_hostname :: incorrect endpoint type 1]
2016-06-19 08:30:09.353524 MyApp[13942:1214130] [] nw_endpoint_get_hostname incorrect endpoint type 1, dumping backtrace:
        [x86_64] libnetcore-805.0.0.2.2
    0   libsystem_network.dylib             0x000000011186037f __nw_create_backtrace_string + 123
    1   libsystem_network.dylib             0x000000011186246e nw_endpoint_get_hostname + 75
    2   libnetwork.dylib                    0x0000000112bc4be7 nw_endpoint_proxy_handler_should_use_proxy + 125
    3   libnetwork.dylib                    0x0000000112bd204f nw_endpoint_handler_path_change + 1509
    4   libnetwork.dylib                    0x0000000112bd18a2 nw_endpoint_handler_start + 570
    5   libnetwork.dylib                    0x0000000112be8026 nw_endpoint_resolver_start_next_child + 2050
    6   libdispatch.dylib                   0x00000001115b91e8 _dispatch_call_block_and_release + 12
    7   libdispatch.dylib                   0x00000001115e5dee _dispatch_client_callout + 8
    8   libdispatch.dylib                   0x00000001115c0a1d _dispatch_queue_serial_drain + 239
    9   libdi
2016-06-19 08:30:09.357989 MyApp[13942:1214130] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 in_progress socket-flow (satisfied)] reported event flow:start_connect
2016-06-19 08:30:09.468327 MyApp[13942:1214130] [] nw_endpoint_flow_protocol_connected [4.1 31.13.79.246:443 in_progress socket-flow (satisfied)] Output protocol connected
2016-06-19 08:30:09.469541 MyApp[13942:1214130] [] nw_endpoint_flow_connected_path_change [4.1 31.13.79.246:443 ready socket-flow (satisfied)] Connected path is satisfied
2016-06-19 08:30:09.470103 MyApp[13942:1214130] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 ready socket-flow (satisfied)] reported event flow:finish_connect
2016-06-19 08:30:09.470858 MyApp[13942:1214130] [] nw_connection_endpoint_report [4 graph.facebook.com:443 ready resolver (satisfied)] reported event flow:finish_connect
2016-06-19 08:30:09.471427 MyApp[13942:1214130] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 ready socket-flow (satisfied)] reported event flow:changed_viability
2016-06-19 08:30:09.471870 MyApp[13942:1214130] [] nw_connection_endpoint_report [4 graph.facebook.com:443 ready resolver (satisfied)] reported event flow:changed_viability
2016-06-19 08:30:09.472479 MyApp[13942:1214112] [] nw_endpoint_start_tls_while_connected [4.1 31.13.79.246:443 ready socket-flow (satisfied)]
2016-06-19 08:30:09.473243 MyApp[13942:1214112] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 in_progress socket-flow (satisfied)] reported event flow:start_secondary_connect
2016-06-19 08:30:09.473685 MyApp[13942:1214112] [] nw_connection_endpoint_report [4 graph.facebook.com:443 in_progress resolver (satisfied)] reported event flow:start_secondary_connect
2016-06-19 08:30:09.474206 MyApp[13942:1214112] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 in_progress socket-flow (satisfied)] reported event flow:start_connect
2016-06-19 08:30:09.474740 MyApp[13942:1214112] [] nw_connection_endpoint_report [4 graph.facebook.com:443 in_progress resolver (satisfied)] reported event flow:start_connect
2016-06-19 08:30:09.475123 MyApp[13942:1214112] [] nw_endpoint_flow_protocol_connected [4.1 31.13.79.246:443 in_progress socket-flow (satisfied)] Transport protocol connected
2016-06-19 08:30:09.475502 MyApp[13942:1214112] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 in_progress socket-flow (satisfied)] reported event flow:finish_transport
2016-06-19 08:30:09.475834 MyApp[13942:1214112] [] nw_connection_endpoint_report [4 graph.facebook.com:443 in_progress resolver (satisfied)] reported event flow:finish_transport
2016-06-19 08:30:09.586843 MyApp[13942:1214130] [] nw_endpoint_flow_protocol_connected [4.1 31.13.79.246:443 in_progress socket-flow (satisfied)] Output protocol connected
2016-06-19 08:30:09.588117 MyApp[13942:1214130] [] nw_endpoint_flow_connected_path_change [4.1 31.13.79.246:443 ready socket-flow (satisfied)] Connected path is satisfied
2016-06-19 08:30:09.588724 MyApp[13942:1214130] [] nw_connection_endpoint_report [4.1 31.13.79.246:443 ready socket-flow (satisfied)] reported event flow:finish_connect
2016-06-19 08:30:09.589299 MyApp[13942:1214130] [] nw_connection_endpoint_report [4 graph.facebook.com:443 ready resolver (satisfied)] reported event flow:finish_connect

的AppDelegate

import UIKit
import FBSDKCoreKit
import FBSDKLoginKit
import Firebase

class ViewController: UIViewController, FBSDKLoginButtonDelegate{

    // Properties
    @IBOutlet weak var usernameTextField: UITextField!
    @IBOutlet weak var usernameLabel: UILabel!
    @IBOutlet weak var submitButton: UIButton!
    @IBOutlet weak var fbLoginBtn: FBSDKLoginButton!
    var ref:FIRDatabaseReference!

    private let dataurl = "https://project-URL/"

    override func viewDidLoad() {
        super.viewDidLoad()
        self.ref = FIRDatabase.database().reference()
        fbLoginBtn.delegate = self
        fbLoginBtn.readPermissions = ["email"]
        // Do any additional setup after loading the view, typically from a nib.
    }

    //Actions
    @IBAction func onSubmitBtnPressed(_ sender: UIButton) {
        usernameLabel.text = usernameTextField.text;
    }

    func loginButton(_ loginButton: FBSDKLoginButton!, didCompleteWith result: FBSDKLoginManagerLoginResult!, error: NSError!) {
        print("User Logged In")

        if ((error) != nil)
        {
            // Process error
            print("error")
        }
        else if result.isCancelled {
            // Handle cancellations
            print("cancelled")
        }
        else {
            // If you ask for multiple permissions at once, you
            // should check if specific permissions missing
            if result.grantedPermissions.contains("email")
            {
                let credential = FIRFacebookAuthProvider.credential(withAccessToken: FBSDKAccessToken.current().tokenString)
                // Do work
                print("logged in ")
                FIRAuth.auth()?.signIn(with: credential, completion: { (user, error) in
                    if (user != nil) {

                        let uid = user?.uid as String!

                        self.fetchProfile(uid!);
                    }
                })
            }
        }
    }

    func loginButtonDidLogOut(_ loginButton: FBSDKLoginButton!) {
        print("User Logged Out")
    }

    func fetchProfile(_ uid: String) {
        let parameters = ["fields": "email, first_name, last_name, picture.type(large)"]
         var userinfo: [String:String] = [:]
        FBSDKGraphRequest(graphPath: "me", parameters: parameters).start(completionHandler: { (connection, user, requestError) -> Void in

            if requestError != nil {
                print(requestError)

            }

            userinfo["email"] = user?["email"] as? String
            userinfo["firstname"] = user?["first_name"] as? String
            userinfo["lastname"] = user?["last_name"] as? String
            self.ref.child("users").child(uid).setValue(userinfo)
        })
    }
}

Login Screen

Answer 1

Facebook文档需要更新。

对于iOS 9+，而不是使用：

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

您应该使用：

func application(_ app: UIApplication, open url: URL, options: [String : AnyObject] = [:]) -> Bool {
    return FBSDKApplicationDelegate.sharedInstance().application(application,
                                                                 openURL: url,
                                                                 sourceApplication: options[UIApplicationOpenURLOptionsSourceApplicationKey] as! String,
                                                                 annotation: options [UIApplicationOpenURLOptionsAnnotationKey])
}

Answer 2

似乎选项[UIApplicationOpenURLOptionsAnnotationKey]不再起作用了。现在你必须这样做：options [UIApplicationOpenURLOptionsKey.sourceApplication]

这对我有用

func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {

    return FBSDKApplicationDelegate.sharedInstance()
                                   .application(app, 
                                               open: url,
                                  sourceApplication: options[UIApplicationOpenURLOptionsKey.sourceApplication] as! String,
                                         annotation: options[UIApplicationOpenURLOptionsKey.annotation])
}

Answer 3

上述功能必须稍作改动。我有同样的问题，它对我有用。请参阅以下功能：

func application(_ app: UIApplication, open url: URL, options: [String : AnyObject] = [:]) -> Bool {
    return FBSDKApplicationDelegate.sharedInstance().application(app,open: url,sourceApplication: options[UIApplicationOpenURLOptionsSourceApplicationKey] as! String,annotation: options [UIApplicationOpenURLOptionsAnnotationKey])
}

Facebook登录不会在迁移到Swift 3时返回App

3 个答案: