Bei main.storyboard habe ich UIImageView und Button. Ich möchte mein Bild speichern, das ich über die Kamera in das Dateisystem aufgenommen habe. Aber wenn ich meine App erneut lade, ist dieses Bild verschwunden. Sag mir bitte, was ich falsch gemacht habe? Dies ist mein Code:Bild in Dateisystem speichern
import UIKit
class ViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
@IBAction func useCamera(_ sender: UIButton) {
let picker = UIImagePickerController()
picker.sourceType = .camera
self.present(picker, animated: true, completion: nil)
picker.delegate = self
}
@IBOutlet weak var imageView: UIImageView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
imageView.image = info[UIImagePickerControllerOriginalImage] as? UIImage
picker.dismiss(animated: true, completion: nil)
if imageView.image == UIImage(named: "example.jpg") {
if let data = UIImageJPEGRepresentation(imageView.image!, 0.8) {
let filename = getDocumentsDirectory().appendingPathComponent("copy.png")
try? data.write(to: filename)
}
}
}
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
let documentsDirectory = paths[0]
return documentsDirectory
}
}