Facebook iOS SDK 错误 – 发布开放图操作

Question

我正在尝试将带有操作（使用故事）的开放图形对象发布到 Facebook，但我总是收到一个错误，它没有提供任何详细信息。我为你们总结了我正在使用的所有代码到一个方法中：

- (void)publishToGraph {
    NSMutableDictionary<FBOpenGraphObject> *object = [FBGraphObject openGraphObjectForPost];
    object.provisionedForPost = YES;
    object[@"title"] = @"Example title";
    object[@"type"] = @"rs-coupcash";
    object[@"description"] = @"Example description";
    object[@"url"] = @"http://exampleurl.com/idk";
    object[@"image"] = @[@{@"url": @"http://exampleurl.com/example_url.png", @"user_generated" : @"true" }];

    [FBSession openActiveSessionWithPublishPermissions:@[@"email", @"public_profile", @"publish_actions"] defaultAudience:FBSessionDefaultAudienceFriends allowLoginUI:YES completionHandler:^(FBSession *session, FBSessionState state, NSError *error) {

        if (!error && state == FBSessionStateOpen) {
            [FBRequestConnection startForPostOpenGraphObject:object completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {

                if(!error) {
                    NSString *objectId = [result objectForKey:@"id"];
                    NSLog(@"Object ID: %@", objectId);
                    id<FBOpenGraphAction> actionObject = (id<FBOpenGraphAction>)[FBGraphObject graphObject];
                    [actionObject setObject:objectId forKey:@"coupon"];
                    [FBRequestConnection startForPostWithGraphPath:@"/me/rs-coupcash:favorite" graphObject:actionObject completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {

                        [[FBSession activeSession] close];
                        if(!error) {
                            NSLog(@"OG story posted, story ID: %@", [result objectForKey:@"id"]);
                        } else {
                            NSLog(@"Error: %@", error);
                        }
                    }];
                } else {
                    NSLog(@"Error: %@", error);
                }
            }];
        } else {
            NSLog(@"Error: %@", error);
        }
    }];
}

我得到的错误：

错误域=com.facebook.sdk 代码=5 "操作无法完成。（com.facebook.sdk 错误5。）" UserInfo=0x114544670 {com.facebook.sdk:HTTPStatusCode=500, com.facebook.sdk:ErrorSessionKey=, expireDate: 2014-08-26 05:18:45 +0000, refreshDate: 2014-06-27 16:56:32 +0000，尝试刷新日期：0001-12-30 00:00:00 +0000，**权限**:( 已安装， "public_profile", 电子邮件， “发布操作” )>, com.facebook.sdk:ParsedJSONResponseKey={ 身体 = { 错误 = { 代码 = 1; message = "发生未知错误。"; 类型 = OAuthException; }; }; 代码 = 500; }}

Answer 1

我为打开的图形对象使用了错误的类型；我只使用命名空间作为“类型”值，在这种情况下应该是“rs-coupcash:coupon”。