fbDidLogin未调用 - iOS

问题描述

我试图在我的iOS应用程序中实现Facebook的一个学校项目，但是我遇到了一个陷阱，即fbDidLogin方法不被调用。

I'm trying to implement facebook to my iOS app for a school project however I ran into a bit of a snag, namely the fbDidLogin method is not called.

我已经创建了一个名为FBFetcher的示例对象：

I have created a sample object called FBFetcher as so:

    @interface FBFetcher : NSObject <FBDialogDelegate,FBSessionDelegate,FBRequestDelegate> {
    Facebook *facebook;
    FBFetcher *facebookFetcher; 
}
-(void)login; 
@property (retain) Facebook  *facebook;
@property (retain) FBFetcher *facebookFetcher; 
@end

在FBFetcher.m中：

In the FBFetcher.m:

    @implementation FBFetcher 
@synthesize facebookFetcher,facebook;


-(void)login{
    facebook = [[Facebook alloc] initWithAppId:@"...."]; 
    NSArray *permissions =  [[NSArray arrayWithObjects: @"offline_access",@"user_about_me", nil] retain];
    [facebook authorize:permissions delegate:self];

}

-(void)fbDidLogin {
    NSLog(@"Erfolgreich eingeloggt....");
}

@end

在我的应用程序委托中： / p>

In my app delegate:

    -  (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url { 

    return [[[controller facebookFetcher] facebook] handleOpenURL:url];
}

我有一个单独的视图控制器，n行为绑定到UIButton： p>

I have a separate view controller with n action tied to a UIButton:

facebookFetcher = [[FBFetcher alloc] init];
[facebookFetcher login]; 

我可以访问登录和授权页面，但是方法fbDidLogin从未被调用。有什么建议么？

I can access the login and authorization page, however the method fbDidLogin never gets called. Any suggestions?

推荐答案

该方法永远不会被调用，因为当您授权时，您在Safari中执行此操作。要照顾这个，我认为这是Facebook SDK的一个错误，打开facebook.m文件，找到以下行：

The method never gets called because when you authorize, you are doing it in Safari. To take care of this, which I think is a bug from Facebook SDK by the way, open the facebook.m file and find the following line:

[self authorizeWithFBAppAuth:YES safariAuth:YES];

并将其更改为

[self authorizeWithFBAppAuth:NO safariAuth:NO];

这样你永远不会被发送到Safari，但一切都将在对话框中完成。

This way you will never be sent to Safari, but everything will be done in a dialog.

只需测试一下，您会看到 fbDidLogin 方法将被调用。

Just test it and you'll see that the fbDidLogin method will get called.

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