问谷歌OAuth2记忆用户

EN

-(void)authenticateUserFromViewController:(UIViewController *)viewController
{
    GTMOAuth2ViewControllerTouch *authViewController = [[GTMOAuth2ViewControllerTouch alloc] initWithScope:kGTLAuthScopeYouTube
                                                                clientID:kClientID
                                                            clientSecret:kClientSecret
                                                        keychainItemName:kKeychainItemName
                                                                delegate:self
                                                        finishedSelector:@selector(viewController:finishedWithAuth:error:)];

    [viewController.navigationController pushViewController:authViewController animated:YES];
}

-(void)viewController:(GTMOAuth2ViewControllerTouch *)viewController finishedWithAuth:(GTMOAuth2Authentication *)auth error:(NSError *)error
{
    if (error != nil)
    {
        // Authentication failed
        NSLog(@"Failed to authorise");
    }
    else
    {
        // Authentication succeeded
        NSLog(@"Authorised");
    }
}