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坚持使用Facebook SDK v4和ParseHelperv4在 Swift 中将图片发布到 FB。创建用户并使用 read persimmons 登录，我可以获得邮件名称等用户信息，因为 FBSDKAccessToken.currentAccessToken()它总是空的，所以响应FBSDKSharingDelegate总是你没有权限......我做错了什么吗？

  let permissions : NSArray = ["publish_actions"]
          PFFacebookUtils.linkUserInBackground(PFUser.currentUser(), withPublishPermissions: permissions, block: { (aBool, error) -> Void in

                if aBool && error == nil {

                    let aToken = FBSDKAccessToken.currentAccessToken()

                    println(aToken.permissions) -- just for logging and it returns empty not even read permissions

                    let fbPhoto = FBSDKSharePhoto(image: self.topImageView.image, userGenerated: true)

                    let aTest : FBSDKSharePhotoContent = FBSDKSharePhotoContent()

                    aTest.photos = [fbPhoto]

                    FBSDKShareAPI.shareWithContent(aTest, delegate: self)    }

            })

并委托

   func sharer(sharer: FBSDKSharing!, didFailWithError error: NSError!) {

    println(error.description)        

}

错误 Domain=com.facebook.sdk.share Code=202 “操作无法完成。（com.facebook.sdk.share 错误 202。）” UserInfo=0x16535010 {com.facebook.sdk:FBSDKErrorDeveloperMessageKey=Share API 是无法使用。[FBSDKAccessToken currentAccessToken] 必须有 publish_actions 权限。}

我可能错过了一步......我应该以某种方式将 fbaccestoken 设置为与 pffaceookutils 链接吗？

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