main.swift

import UIKit

class ViewController: UIViewController, UINavigationControllerDelegate, UIImagePickerControllerDelegate  {

    @IBOutlet weak var ImageDisplay: UIImageView!
    @IBOutlet weak var CameraButton: UIButton!
    @IBOutlet weak var LibraryButton: UIButton!
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        print("Out Of Memory")
    }
    
    @IBAction func CameraButton(_ sender:UIButton) {
        print("hi")
    }
    
    // Mark: Action:
    @IBAction func PhotoLibraryAction(sender: UIButton) {
        let picker = UIImagePickerController()
        picker.delegate = self
        picker.sourceType = .photoLibrary
        // PRevious version ``` presentViewController(picker, animated: true, completion: nil)```
        present(picker, animated: true, completion: nil)
    }
    
    @IBAction func CameraAction(sender: UIButton) {
        let picker = UIImagePickerController()
        picker.delegate = self
        picker.sourceType = .camera
        present(picker, animated: true, completion: nil)
    }
    
    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
        ImageDisplay.image = info[UIImagePickerController.InfoKey.originalImage] as? UIImage;
        dismiss(animated: true, completion: nil)
    }
    
}