将照片上传到 Facebook 粉丝页面

Question

这是我用来将照片上传到我的粉丝页面的代码关键点

_permissions =  [[NSArray arrayWithObjects:@"read_stream", @"offline_access", @"publish_stream", @"manage_pages", @"user_photos", @"friends_photos",nil] retain]; 

[_facebook requestWithGraphPath:@"/me/accounts" andDelegate:self];

我从结果中解析页面 access_token 并将其用于下一个请求模拟页面，我可以成功地从结果中解析出页面所有者信息，所以我猜我的 access_token 没问题

 - (IBAction)getUserInfo:(id)sender {
            _facebook.accessToken = self.pageAccessToken;
          [_facebook requestWithGraphPath:@"me" andDelegate:self];
        }

但如果我尝试像这样将照片上传到我的页面相册：

- (IBAction)uploadPhoto:(id)sender {

          NSString *path = @"http://dl.dropbox.com/u/xxxxxxx/Icon.png";
          NSURL *url = [NSURL URLWithString:path];
          NSData *data = [NSData dataWithContentsOfURL:url];
          UIImage *img  = [[UIImage alloc] initWithData:data];

          NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                         img, @"picture",
                                         nil];



            _facebook.accessToken = self.pageAccessToken;


          [_facebook requestWithMethodName:@"photos.upload"
                                 andParams:params
                             andHttpMethod:@"POST"
                               andDelegate:self];

          //or like
          // [_facebook requestWithGraphPath:@"/me/photos" ...
          // [_facebook requestWithGraphPath:@"/<PAGE_ID>/photos" ...
          // [_facebook requestWithGraphPath:@"/<ALBUM_ID>/photos" ...

          [img release];
        }

我总是出错：

Error Domain=facebookErrDomain Code=190 "The operation couldn’t be completed. (facebookErrDomain error 190.)" UserInfo=0x15fca0 {request_args=(
{
key = method;
value = "photos.upload";
},
{
key = sdk;
value = ios;
},
{
key = "sdk_version";
value = 2;
},
{
key = "access_token";
value = "1939755xx612731|8ceab6c65ce0194d079f41ef-1068726246|3x2697618282|xdSRakxsdjezx9N1dnr9cRe6ICk";
},
{
key = format;
value = json;
}
), error_msg=Invalid OAuth 2.0 Access Token, error_code=190}

}

（注意：我稍微修改了 access_token 只是为了保护）

Answer 1

嘿 jackiedigital，我这个“manage_pages”权限只与 Graph API 兼容。
查看此页面上的 Last 权限：http://developers.facebook.com/docs/authentication/permissions/