playground.swift

//: A UIKit based Playground for presenting user interface
  
import UIKit
import PlaygroundSupport

final class MyViewController: UIViewController {
    
    override func loadView() {
        let view = UIView()
        view.backgroundColor = .white

        let label = UILabel()
        label.frame = CGRect(x: 150, y: 200, width: 200, height: 20)
        label.text = "Tap to open new screen"
        label.textColor = .black
        label.isUserInteractionEnabled = true
        label.addGestureRecognizer(
            UITapGestureRecognizer(target: self, action: #selector(labelDidTap))
        )
        
        view.addSubview(label)
        self.view = view
    }
    
    @objc
    private func labelDidTap() {
        let controller = DetailsViewController()
        present(controller, animated: true, completion: nil)
    }
    
}

final class DetailsViewController: UIViewController {
    
    override func loadView() {
        let view = UIView()
        view.backgroundColor = .white
        
        let label = UILabel()
        label.frame = CGRect(x: 150, y: 200, width: 200, height: 20)
        label.text = "Tap to dismiss"
        label.textColor = .black
        label.isUserInteractionEnabled = true
        label.addGestureRecognizer(
            UITapGestureRecognizer(target: self, action: #selector(labelDidTap))
        )
        
        view.addSubview(label)
        self.view = view
    }
    
    @objc
    private func labelDidTap() {
        dismiss(animated: true, completion: nil)
    }
    
}
// Present the view controller in the Live View window
PlaygroundPage.current.liveView = MyViewController()