How to prevent the extra view displaying an access code when using Google OAuth 2.0

Question

I followed http://googlemac.blogspot.com/2011/05/ios-and-mac-sign-in-controllers.html to allow users to use Google to login to an iPhone app. After I tap \"Allow access\" bu

Answer 1

It turns out this is pretty straightforward. In the login callback, simply dismiss and remove viewController from the parent view controller.

- (void)viewController:(UIViewController *)viewController
      finishedWithAuth:(GTMOAuth2Authentication *)auth
                 error:(NSError *)error
{
    if (error == nil) {
        // Get rid of the login view.
        // self.parentViewController was saved somewhere else and is the parent
        // view controller of the view controller that shows the google login view.
        [self.parentViewController dismissViewControllerAnimated:NO completion:nil];
        [viewController removeFromParentViewController];

        // Tell the delegate that the user successfully logged in ...
    } else {
        // Error handling code ...
    }
}