return Redirect("xxxx.xxx-xxx://");

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

func application(_ app: UIApplication,
                 open url: URL,
                 options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
    if let authorizationFlow = self.currentAuthorizationFlow, authorizationFlow.resumeExternalUserAgentFlow(with: url){
        self.currentAuthorizationFlow = nil
        return true
    }
    return false
}