我尝试将照片上传到 Firebase,但出现此错误。它在 Xcode 10 之前工作。我收到此错误:
'UIImageJPEGRepresentation' has been replaced by instance method 'UIImage.jpegData(compressionQuality:)'
而且我不知道如何使用这个功能。
import UIKit
import Firebase
class SignUpViewController:UIViewController {
@IBOutlet weak var profileImageView: UIImageView!
@IBOutlet weak var tapToChangeProfileButton: UIButton!
var continueButton:RoundedWhiteButton!
var imagePicker:UIImagePickerController!
override func viewDidLoad() {
super.viewDidLoad()
continueButton.addTarget(self, action: #selector(handleSignUp), for:
.touchUpInside)
let imageTap = UITapGestureRecognizer(target: self, action:
#selector(openImagePicker))
profileImageView.isUserInteractionEnabled = true
profileImageView.addGestureRecognizer(imageTap)
profileImageView.layer.cornerRadius = profileImageView.bounds.height / 2
profileImageView.clipsToBounds = true
imagePicker = UIImagePickerController()
imagePicker.allowsEditing = true
imagePicker.sourceType = .photoLibrary
imagePicker.delegate = self
}
func uploadProfileImage(_ image:UIImage, completion: @escaping ((_ url:URL?)->())) {
guard let uid = Auth.auth().currentUser?.uid else { return }
let storageRef = Storage.storage().reference().child("user/\(uid)")
guard let imageData = UIImageJPEGRepresentation(image, 0.75) else { return }
let metaData = StorageMetadata()
metaData.contentType = "image/jpg"
storageRef.putData(imageData, metadata: metaData) { metaData, error in
if error == nil, metaData != nil {
if let url = metaData?.downloadURL() {
completion(url)
} else {
completion(nil)
}
// success!
} else {
// failed
completion(nil)
}
}
}
}
最佳答案
该错误告诉您,从 iOS 12 开始,旧的 UIImageJPEGRepresentation
函数已被新的 jpegData
取代。 UIImage
上的方法。
改变:
let imageData = UIImageJPEGRepresentation(image, 0.75)
至:
let imageData = image.jpegData(compressionQuality: 0.75)
同样,UIImagePNGRepresentation
的使用已替换为 pngData()
。
关于ios - UIImageJPEGRepresentation 已被实例方法 UIImage.jpegData(compressionQuality :),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55537945/