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[英]How to read an image from firebase in tablecell on ios (swift)?
[英]How to display profile image from new Firebase in iOS Swift?
新的Firebase允许您为用户提供NSURL配置文件图像属性,但是我无法显示它。 这是我的保存方式...
let user = FIRAuth.auth()?.currentUser
if let user = user {
let changeRequest = user.profileChangeRequest()
changeRequest.photoURL = searchURL
changeRequest.commitChangesWithCompletion { error in
if let _ = error {
print("Try Again")
} else {
print("Photo Updated")
self.profileImage.image = image
}
}
}
这就是我试图检索的方式。
if let user = FIRAuth.auth()?.currentUser
{
let name = user.displayName
let pic = user.photoURL
self.displayNameLBL.text = name
if pic != nil
{
print(pic!)
let urlString: String = pic!.path!
self.profileImage.image = UIImage(named: urlString)
//self.profileImage.image = UIImage(data: pic! as NSURL)
}else
{
self.profileImage.image = UIImage(named: "imagePlaceholder")
}
}
我正在获取user.displayName
而不是图像。
您尝试显示的不是图片的URL,您需要先下载该图片,然后才能使用此扩展名:
extension UIImageView {
func downloadedFrom(link: String, contentMode mode: UIViewContentMode = .ScaleAspectFit) {
guard let url = NSURL(string: link) else { return }
contentMode = mode
NSURLSession.sharedSession().dataTaskWithURL(url) { (data, response, error) in
guard
let httpURLResponse = response as? NSHTTPURLResponse where httpURLResponse.statusCode == 200,
let mimeType = response?.MIMEType where mimeType.hasPrefix("image"),
let data = data where error == nil,
let image = UIImage(data: data)
else { return }
dispatch_sync(dispatch_get_main_queue()) {
self.image = image
}
}.resume()
}
}
用法:
imageView.downloadedFrom(stringURL, contentMode: .ScaleAspectFill)
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