swift 카메라 및 갤러리 접근 코드 소스

출처 : https://makeapppie.com/2016/06/28/how-to-use-uiimagepickercontroller-for-a-camera-and-photo-library-in-swift-3-0/




import UIKit

 

class ViewController: UIViewController,

    UIImagePickerControllerDelegate,

    UINavigationControllerDelegate

{

    let picker = UIImagePickerController()

    @IBOutlet weak var myImageView: UIImageView!

     

    @IBAction func photoFromLibrary(_ sender: UIBarButtonItem) {

        picker.allowsEditing = false

        picker.sourceType = .photoLibrary

        picker.mediaTypes = UIImagePickerController.availableMediaTypes(for: .photoLibrary)!

        picker.modalPresentationStyle = .popover

        present(picker, animated: true, completion: nil)

        picker.popoverPresentationController?.barButtonItem = sender

    }

     

    @IBAction func shootPhoto(_ sender: UIBarButtonItem) {

        if UIImagePickerController.isSourceTypeAvailable(.camera) {

            picker.allowsEditing = false

            picker.sourceType = UIImagePickerControllerSourceType.camera

            picker.cameraCaptureMode = .photo

            picker.modalPresentationStyle = .fullScreen

            present(picker,animated: true,completion: nil)

        } else {

            noCamera()

        }

    }

    func noCamera(){

        let alertVC = UIAlertController(

            title: "No Camera",

            message: "Sorry, this device has no camera",

            preferredStyle: .alert)

        let okAction = UIAlertAction(

            title: "OK",

            style:.default,

            handler: nil)

        alertVC.addAction(okAction)

        present(

            alertVC,

            animated: true,

            completion: nil)

    }

    override func viewDidLoad() {

        super.viewDidLoad()

        picker.delegate = self

    }

 

    //MARK: - Delegates

    func imagePickerController(_ picker: UIImagePickerController,

        didFinishPickingMediaWithInfo info: [String : AnyObject])

    {

        var  chosenImage = UIImage()

        chosenImage = info[UIImagePickerControllerOriginalImage] as! UIImage //2

        myImageView.contentMode = .scaleAspectFit //3

        myImageView.image = chosenImage //4

        dismiss(animated:true, completion: nil) //5

    }

    func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {

       dismiss(animated: true, completion: nil)

    }

 

}