在 Sign-up for Parse 后端获取 Facebook 个人资料图片 (Swift)
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【中文标题】在 Sign-up for Parse 后端获取 Facebook 个人资料图片 (Swift)【英文标题】:Get Facebook Profile picture at Sign-up for Parse backend (Swift) 【发布时间】:2015-03-16 20:59:32 【问题描述】:我正在创建一个使用 Parse 作为后端服务的应用程序。我的用户应该能够通过 Facebook 注册和登录。
我在下面做了这个(工作得很好)。
@IBAction func registerWithFacebook(sender: UIButton)
let permissions:[String] = ["user_about_me","user_relationships", "public_profile"]
PFFacebookUtils.logInWithPermissions(permissions,
(user: PFUser!, error: NSError!) -> Void in
if user == nil
NSLog("Uh oh. The user cancelled the Facebook login.")
else if user.isNew
NSLog("User signed up and logged in through Facebook!")
self.loadData()
self.performSegueWithIdentifier("initialToMain", sender: self)
else
NSLog("User logged in through Facebook!")
self.performSegueWithIdentifier("initialToMain", sender: self)
)
func loadData()
let request:FBRequest = FBRequest.requestForMe()
request.startWithCompletionHandler (connection:FBRequestConnection!, result:AnyObject!, error:NSError!) -> Void in
if error == nil
if let dict = result as? Dictionary<String, AnyObject>
let name:String = dict["name"] as AnyObject? as String
let email:String = dict["email"] as AnyObject? as String
println(name)
PFUser.currentUser().setValue(name, forKey: "username")
PFUser.currentUser().setValue(email, forKey: "email")
PFUser.currentUser().save()
很遗憾,我无法从注册用户那里获得个人资料图片。我该怎么做?
【问题讨论】:
【参考方案1】:图片可通过以下网址的用户 ID 公开获得:
https://graph.facebook.com/USER_ID/picture
您还可以要求各种尺寸:
https://graph.facebook.com/USER_ID/picture?width=300&height=300
【讨论】:
感谢您的回答,但实际上我已经知道了。现在我自己解决了。【参考方案2】:这是有效的解决方案:
func loadData()
let request:FBRequest = FBRequest.requestForMe()
request.startWithCompletionHandler (connection:FBRequestConnection!, result:AnyObject!, error:NSError!) -> Void in
if error == nil
if let dict = result as? Dictionary<String, AnyObject>
let name:String = dict["name"] as AnyObject? as String
let facebookID:String = dict["id"] as AnyObject? as String
let email:String = dict["email"] as AnyObject? as String
let pictureURL = "https://graph.facebook.com/\(facebookID)/picture?type=large&return_ssl_resources=1"
var URLRequest = NSURL(string: pictureURL)
var URLRequestNeeded = NSURLRequest(URL: URLRequest!)
NSURLConnection.sendAsynchronousRequest(URLRequestNeeded, queue: NSOperationQueue.mainQueue(), completionHandler: (response: NSURLResponse!,data: NSData!, error: NSError!) -> Void in
if error == nil
var picture = PFFile(data: data)
PFUser.currentUser().setObject(picture, forKey: "profilePicture")
PFUser.currentUser().saveInBackground()
else
println("Error: \(error.localizedDescription)")
)
PFUser.currentUser().setValue(name, forKey: "username")
PFUser.currentUser().setValue(email, forKey: "email")
PFUser.currentUser().saveInBackground()
【讨论】:
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