CrystDragon

import UIKit

class MyTextLabel: UIView {
  
  var textLayer = CATextLayer()
  var textStorage: String = "" {
    didSet {
      textLayer.string = textStorage
    }
  }

MihaelIsaev

import UIKit
import AVFoundation

class ViewController: UIViewController, AVCaptureMetadataOutputObjectsDelegate {

    @IBOutlet weak var myView: UIView!
    
    var session: AVCaptureSession?
    var device: AVCaptureDevice?
    var input: AVCaptureDeviceInput?