使用iOS SDK将照片发布到Facebook粉丝专页

问题描述

我正在尝试将照片上传到使用iOS SDK和图形API的自己的Facebook页面。我已经能够将照片上传到我自己的墙上。我也可以在我的粉丝页面墙上发布一条消息，作为管理员，并在我的粉丝页面上创建一个专辑，所以我认为我正在打电话，但没有成功。

这是我目前正在做的。

我正在使用

  Facebook * fb = [[Facebook alloc] init]; 
 self.facebook = fb; 
 [fb release]; 
 NSArray * permissions = [[NSArray arrayWithObjects：@read_stream，@offline_access，@publish_stream，@manage_pages，@user_photos，@friends_photos，nil] retain] 
 [facebook authorize：FB_APP_ID permissions：permissions delegate：self]; 
 [权限释放]; 
  

登录后，我要求帐户

  [facebook requestWithGraphPath：@/ me / accountsandDelegate：self]; 
  

帐户将返回给我，每个页面的应用程序和我拥有的访问令牌。我使用一个简单的循环来解析帐户，以增加我希望上传照片的页面的access_token。

然后我设置我的Facebook的访问令牌反对新的access_token。

  facebook.accessToken = new_accessToken; 
  

，并尝试使用

$ b $上传照片我的粉丝专页b

  UIImage * uploadImage = [UIImage imageNamed：@t200.jpg]; 
 NSMutableDictionary * params = [NSMutableDictionary dictionaryWithObjectsAndKeys：
 uploadImage，@source，
 @test caption，@message，
 nil]; 
 
 
 [facebook requestWithGraphPath：@/ me / photosandParams：params 
 andHttpMethod：@POSTandDelegate：self]; 
  

我收到的回复是

 
 {error：{type：OAuthException，message：（＃1）发生未知错误}} 
 

这是Facebook图表API中的错误？我也尝试使用标准HTTPS请求进行此呼叫，并得到相同的结果。

解决方案

成功登录Facebook，您可以通过请求@/ me / accounts获取列表FanPage，并循环访问所需的粉丝页面，并通过向 @/ FBFanPageID？fields = access_token请求其accessToken

此accessToken与您的facebook.accesstoken不同。

在获取fanPage accessToken后，将其设置为Facebook accessToken由

[_ facebook setAccessToken ：_accessTokenForFanPage]; //这是necc步骤

现在您可以通过 @/ FBFanPageID上传到fanPage墙/照片

请求fanPage专辑 @/ FBFanPageID / albums / p>

通过 @/ AlbumsID / photos上传到特定的专辑

对于上传这些图像参数字典将被使用。

NSMutableDictionary * params = [NSMutableDictionary dictionaryWithObjectsAndKeys：
IMAGE，@ source，
IMAGECAPTION，@message，

nil];

I'm trying to upload a photo to a Facebook page I own using the iOS SDK and graph API. I've been able to upload photos to my own wall. I've also been able to post a message to my fan page wall as an admin and create an album on my fan page, so I think I'm making the right calls, but not succeeding.

This is what I'm currently doing.

I'm logging in using

Facebook *fb = [[Facebook alloc] init];
self.facebook = fb;
[fb release];
NSArray *permissions =  [[NSArray arrayWithObjects:@"read_stream", @"offline_access", @"publish_stream", @"manage_pages", @"user_photos", @"friends_photos",nil] retain];
[facebook authorize:FB_APP_ID permissions:permissions delegate:self];
[permissions release];

After I log in, I request the accounts

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

The accounts are returned to me with access tokens for each page and app I own. I use a simple loop to parse through the accounts to extra the access_token supplied for the page I wish to upload a photo to.

I then set my access token of my facebook object to the new access_token.

facebook.accessToken = new_accessToken;

and try and upload a photo my fan page using

UIImage *uploadImage = [UIImage imageNamed:@"t200.jpg"];
NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
               uploadImage, @"source",
             @"test caption", @"message",
             nil];


[facebook requestWithGraphPath:@"/me/photos" andParams:params
        andHttpMethod:@"POST" andDelegate:self];

The response I receive is

{"error":{"type":"OAuthException","message":"(#1) An unknown error occurred"}}

Is this a bug in the facebook graph API? I also tried making this call using standard HTTPS requests, and get the same result.

解决方案

Ater successfully login to Facebook, you can get list FanPage by requesting @"/me/accounts" and iterate to the fan page you want and request its accessToken by making request to @"/FBFanPageID?fields=access_token"

This accessToken is different from your facebook.accesstoken .

After getting fanPage accessToken, set it as facebook accessToken by

[_facebook setAccessToken:_accessTokenForFanPage]; // this is necc step

Now you can upload to fanPage wall by @"/FBFanPageID/photos"

Request fanPage albums by @"/FBFanPageID/albums"

Upload to particular album by @"/AlbumsID/photos"

For uploading these image param dictionary will be used.

NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys: IMAGE,@"source", IMAGECAPTION,@"message",
nil];

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