【Swift】ポップアップをオリジナルで作成して任意のタイミングで表示する方法

import UIKit

class ViewController: UIViewController {
    let popupView = UIView(frame: CGRect(x: 50, y: 200, width: 300, height: 400))
    let blurEffectView: UIVisualEffectView = {
        let blurEffect = UIBlurEffect(style: .dark)
        let view = UIVisualEffectView(effect: blurEffect)
        view.alpha = 0.8
        view.isHidden = true
        return view
    }()
    let showPopupButton = UIButton(frame: CGRect(x: 100, y: 100, width: 200, height: 50))
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupUI()
        addTapGestureToBlurEffectView()
    }
    
    func setupUI() {
        // ブラーの設定
        blurEffectView.frame = self.view.bounds
        blurEffectView.isHidden = true
        view.addSubview(blurEffectView)
        
        // ポップアップの設定
        popupView.backgroundColor = .white
        popupView.layer.cornerRadius = 10
    pView.isHidden = true
        view.addSubview(popupView)
        
        // ポップアップ表示ボタン
        showPopupButton.backgroundColor = .systemOrange
        showPopupButton.setTitle("Show Popup", for: .normal)
        showPopupButton.addTarget(self, action: #selector(togglePopup), for: .touchUpInside)
        view.addSubview(showPopupButton)
        
        // ポップアップのコンテンツの設定
        addContentToDialog()
        blurEffectView.isUserInteractionEnabled = true
    }
    
    // ブラー効果ビューにタップジェスチャーを追加
    func addTapGestureToBlurEffectView() {
        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(togglePopup))
        blurEffectView.addGestureRecognizer(tapGesture)
    }
    
    func addContentToDialog() {
        let titleLabel = UILabel(frame: CGRect(x: 10, y: 10, width: 280, height: 20))
        titleLabel.text = "Popup Title"
        popupView.addSubview(titleLabel)
        
        let imageView = UIImageView(frame: CGRect(x: 75, y: 40, width: 150, height: 150))
        imageView.image = UIImage(named: "MyImage")
        imageView.contentMode = .scaleAspectFit
        popupView.addSubview(imageView)
        
        let contentLabel = UILabel(frame: CGRect(x: 10, y: 200, width: 280, height: 100))
        contentLabel.text = "Your content here"
        contentLabel.numberOfLines = 0
        popupView.addSubview(contentLabel)
        
　　　　　let closeButton = UIButton(frame: CGRect(x: 260, y: 10, width: 30, height: 30)) // ボタンの位置とサイズを調整
        closeButton.setTitle("×", for: .normal)
        closeButton.titleLabel?.font = UIFont.systemFont(ofSize: 22) // フォントサイズの調整
        closeButton.setTitleColor(.black, for: .normal) // ボタンのテキスト色を黒に設定
        closeButton.addTarget(self, action: #selector(togglePopup), for: .touchUpInside)
        popupView.addSubview(closeButton)
    }
    
    @objc func togglePopup() {
        blurEffectView.isHidden = !blurEffectView.isHidden
        popupView.isHidden = !popupView.isHidden
    }
}