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  1. //
  2. //  ViewController.swift
  3. //  MySimpleApp
  4. //
  5.  
  6. import UIKit
  7.  
  8. class ViewController: UIViewController {
  9.  
  10.     @IBOutlet weak var showPopupBtn: UIButton!
  11.  
  12.     override func viewDidLoad() {
  13.         super.viewDidLoad()
  14.  
  15.     }
  16.  
  17.     override func didReceiveMemoryWarning() {
  18.         super.didReceiveMemoryWarning()
  19.         // Dispose of any resources that can be recreated.
  20.     }
  21.  
  22.  
  23.     @IBAction func showPopupTapped(_ sender: Any) {
  24.         let popup = WebViewAsPopup()
  25.         popup.showWebViewPopup(on: self)
  26.     }
  27.  
  28. }
  29.    
  30. //
  31. //  WebViewAsPopup.swift
  32. //  MySimpleApp
  33. //
  34.  
  35. import WebKit
  36.  
  37. class WebViewAsPopup: NSObject, UIWebViewDelegate {
  38.  
  39.     func showWebViewPopup(on controller: UIViewController) {
  40.         // Popup background
  41.         let bg = UIView()
  42.         bg.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
  43.         bg.layer.backgroundColor = UIColor.black.withAlphaComponent(0.5).cgColor
  44.  
  45.         // Webview sizing
  46.         let width = UIScreen.main.bounds.width - 60
  47.         let height = UIScreen.main.bounds.height - 200
  48.         let x = UIScreen.main.bounds.width/2 - width/2
  49.         let y = UIScreen.main.bounds.height/2 - height/2
  50.  
  51.         // Webview stuff
  52.         let webView = UIWebView()
  53.         webView.frame = CGRect(x: x, y: y, width: width, height: height)
  54.         let url = URL(string: "https://google.com")
  55.         let request = URLRequest(url: url!)
  56.         // webView.delegate = self << it crash here
  57.         webView.loadRequest(request)
  58.  
  59.         // Styling webview popup
  60.         webView.layer.borderWidth = 1
  61.         webView.layer.borderColor = UIColor.black.cgColor
  62.         webView.layer.masksToBounds = true
  63.         webView.layer.cornerRadius = 10
  64.  
  65.         // Add bg then webview to main view controller
  66.         controller.view.addSubview(bg)
  67.         controller.view.addSubview(webView)
  68.     }
  69.  
  70.     func webViewDidStartLoad(_ webView: UIWebView)
  71.     {
  72.         print("#webViewDidStartLoad!") // << it doesn't fire :(
  73.     }
  74.     func webViewDidFinishLoad(_ webView: UIWebView)
  75.     {
  76.         print("#webViewDidFinishLoad!") // << it doesn't fire :(
  77.     }
  78.  
  79. }
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