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我MGTwitterEngine在我的应用程序中使用 SDK iOS。我正在尝试使用此方法检查用户是否正在关注另一个用户：

- (NSString *)isUser:(NSString *)username1 receivingUpdatesFor:(NSString *)username2
{
    if (!username1 || !username2) {
        return nil;
    }
    NSMutableDictionary *params = [NSMutableDictionary dictionaryWithCapacity:0];
    [params setObject:username1 forKey:@"user_a"];
    [params setObject:username2 forKey:@"user_b"];

    NSString *path = [NSString stringWithFormat:@"friendships/exists.%@", API_FORMAT];

    return [self _sendRequestWithMethod:nil path:path queryParameters:params body:nil 
                            requestType:MGTwitterUpdatesCheckRequest 
                           responseType:MGTwitterMiscellaneous];
}

此方法总是返回一个格式相同但不相同的字符串：

CB4C097E-6740-4536-885E-BAF7D8A981FD

基本上，获得一个布尔值会更好，我不知道我将如何处理这个值。

有任何想法吗？

**编辑初始化_engine的代码

        _engine = [[SA_OAuthTwitterEngine alloc] initOAuthWithDelegate: self];
    _engine.consumerKey = kOAuthConsumerKey;
    _engine.consumerSecret = kOAuthConsumerSecret;
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1 回答 1

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这是一个异步请求，您必须将您的类设置为 MGTwitterEngine 的委托并在这些方法中获取结果，您必须在您的类中实现：

- (void)statusesReceived:(NSArray *)statuses forRequest:(NSString *)connectionIdentifier;
- (void)directMessagesReceived:(NSArray *)messages forRequest:(NSString *)connectionIdentifier;
- (void)userInfoReceived:(NSArray *)userInfo forRequest:(NSString *)connectionIdentifier;
- (void)miscInfoReceived:(NSArray *)miscInfo forRequest:(NSString *)connectionIdentifier;

正如您在 MGTwitterEngineDelegate.h 中所读到的：

// These delegate methods are called after all results are parsed from the connection. If 
// the deliveryOption is configured for MGTwitterEngineDeliveryAllResults (the default), a
// collection of all results is also returned.

在那里您可以检查结果值。

于 2013-01-10T14:36:48.690 回答