我已经手动将google sign in sdk集成到sdk中（不能与cocoapods集成），并且可以正常运行，但是在我运行项目时，登录后总会出现此错误：

2015-09-07 15:44:14.071 Contacts++[82438:4826277] LaunchServices: ERROR: There is no registered handler for URL scheme com-google-gidconsent-google
2015-09-07 15:44:14.071 Contacts++[82438:4826277] LaunchServices: ERROR: There is no registered handler for URL scheme com-google-gidconsent-youtube
2015-09-07 15:44:14.072 Contacts++[82438:4826277] LaunchServices: ERROR: There is no registered handler for URL scheme com-google-gidconsent
2015-09-07 15:44:14.072 Contacts++[82438:4826277] LaunchServices: ERROR: There is no registered handler for URL scheme com.google.gppconsent.2.4.1
2015-09-07 15:44:14.072 Contacts++[82438:4826277] LaunchServices: ERROR: There is no registered handler for URL scheme com.google.gppconsent.2.4.0

这就是我使用SDK的方式。

首先，我按照https://developers.google.com/identity/sign-in/ios/sign-
in?ver=swift中的所有步骤进行操作。

程式码：
AppDelegate.swift

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {  
    // google
    // Initialize sign in
    GIDSignIn.sharedInstance().clientID = "<client id>"
    GIDSignIn.sharedInstance().delegate = self

    return true
}

func signIn(signIn: GIDSignIn!, didSignInForUser user: GIDGoogleUser!, withError error: NSError!) {

    if error == nil {
        let userID = user.userID
        let idToken = user.authentication.idToken
        let name = user.profile.name
        let email = user.profile.email

        print(userID, idToken, name, email)
    } else {
        print(error.localizedDescription)
    }
}

func signIn(signIn: GIDSignIn!, didDisconnectWithUser user: GIDGoogleUser!, withError error: NSError!) {

}

ViewController.swift

 override func viewDidLoad() {
        super.viewDidLoad()

        // google plus
        //GIDSignIn.sharedInstance().clientID = clientID
        GIDSignIn.sharedInstance().uiDelegate = self
        GIDSignIn.sharedInstance().signIn()
}

可能是什么问题？我正在使用SDK版本2.2.0