Question

I m building an iPhone App where i want to add Facebook login. In viewDidLoad i ve added:

    facebook = [[Facebook alloc] initWithAppId:@"MYAPPID" andDelegate:self];
    facebook.sessionDelegate=self;
    if ([defaults objectForKey:@"FBAccessTokenKey"] 
        && [defaults objectForKey:@"FBExpirationDateKey"]) {
        facebook.accessToken = [defaults objectForKey:@"FBAccessTokenKey"];
        facebook.expirationDate = [defaults objectForKey:@"FBExpirationDateKey"];
    }

当用户点击按钮时, 我引用一个函数, 即:

    NSArray *permissions = [[NSArray arrayWithObjects:@"read_stream", @"publish_stream", @"offline_access",nil] retain];
    [facebook authorize:permissions ];

It launches safari and makes the facebook login; the problem is that when it returns to the app, it relaunches the app, while i need to return directly to my ViewController, not to the FirstViewController. What am i doing wrong?

Answer 1

在旧的SO线索中找到答案

在facebook. m:

- (void)authorize:(NSArray *)permissions {
    self.permissions = permissions;

    [self authorizeWithFBAppAuth:NO safariAuth:NO];
}

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