ios - 在 FB 请求响应字典中获取空值

Question

我正在尝试使用以下代码获取已登录 Facebook 帐户中的所有相册列表...但不幸的是我根本无法获得任何列表结果是字典..就像

{
    data =     (
    );
}

知道我在下面的代码中做错了什么吗...

 FBRequest* friendsRequest = [FBRequest requestForGraphPath:@"me/albums"];

   [friendsRequest startWithCompletionHandler: ^(FBRequestConnection*connection,NSDictionary* result,NSError *error) {
                                                          if(!error)

                                                       {
                                                              NSLog(@"%@",result);
                                                              //NSArray *albums;


                                                          }

这是完整的方法

- (BOOL)retrieveFacebookPhotosWithCompletionBlock:(void (^)(NSArray *, NSError *))completionBlock
{
    //FBSession *activeFBSession=[FBSession activeSession];

    //activeFBSession.state;


    [FBSession openActiveSessionWithReadPermissions:nil
                                       allowLoginUI:YES
                                  completionHandler:^(FBSession *session,
                                                      FBSessionState state,
                                                      NSError *error) {
                                      if (error) {

                                          NSLog(@"Error");
                                      } else if (session.isOpen) {

                                          [[FBRequest requestForMe] startWithCompletionHandler: ^(FBRequestConnection *connection, NSDictionary<FBGraphUser> *user, NSError *error) {
                                              if (error) {
                                                  //error
                                                  completionBlock(nil, error);
                                              }else{
                                                  FBRequest* friendsRequest = [FBRequest requestForGraphPath:@"me/albums"];

                                                  [friendsRequest startWithCompletionHandler: ^(FBRequestConnection *connection,NSDictionary* result,NSError *error) {
                                                      if(error)
                                                          completionBlock(nil, error);
                                                      else
                                                      {
                                                          NSLog(@"%@",result);
                                                          //NSArray *albums;


                                                      }
                                                  }];
                                              }
                                          }];

                                      }
                                  }];



        return YES;
}

Answer 1

要访问照片，您需要在打开 Facebook session 时获得 user_photos 权限。尝试按以下方式更改代码。

[FBSession openActiveSessionWithReadPermissions:
[NSArray arrayWithObjects:@"user_photos",nil] allowLoginUI:YES
completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
                                         //YOUR CODE
                                           }];