Let’s learn how to implement WKWebView in Your iOS, iPadOS and macOS Catalyst app

Before we jump into implementing WKWebView I would first introduce you to why you want to use it. WKWebView helps you when you want to load a webpage inside your app without throwing users to a third party browser outside of your app.

Let’s start coding,

Step 01: First Import WebKit

import WebKit

Step 02: Add ‘WKNavigationDelegate’ to your declaration of ViewController Class

WKNavigationDelegate

It will look something like this:

class ViewController: UIViewController, WKNavigationDelegate {
}

Step 03: Now create two variables for loading webView and one for button which will close webView

var webView: WKWebView!
var closeWebViewUIButton = UIButton(type: .system) as UIButton

Step 04: Now naviagte to your ViewDid Load method

override func viewDidLoad() {
super.viewDidLoad()
}

Step 05: Now in your ViewDidLoad method add the following code, Which will load WKWebView. You can change the URL as per your preference.

// Load the WebView
webView = WKWebView(frame: CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: self.view.frame.size.height))
let url = URL(string: "https://www.google.com/")
webView.load(URLRequest(url: url!))
webView.navigationDelegate = self
webView.allowsBackForwardNavigationGestures = true
self.view.addSubview(webView)

Step 06: Now in your ViewDidLoad method add the following code, Which will load UIButton and work as a button to dismiss WKWebView.

// Load the closeWebViewUIButton
let config = UIImage.SymbolConfiguration(pointSize: 64, weight: .medium, scale: .large)
let image = UIImage(systemName: "xmark.square.fill", withConfiguration: config) as UIImage?
closeWebViewUIButton.frame = CGRect(x: self.view.bounds.width - 100, y: 0, width: 100, height: 100)
closeWebViewUIButton.setImage(image, for: .normal)
closeWebViewUIButton.addTarget(self, action: #selector(self.closeUIButtonTapped(sender:)), for: .touchUpInside)
self.view.addSubview(closeWebViewUIButton)

Step 07: Now add the following function inside your ViewController, Which will load UIButton and work as a button to dismiss WKWebView.

@objc func closeUIButtonTapped(sender:UIButton) {
webView.removeFromSuperview()
closeWebViewUIButton.removeFromSuperview()
}

I hope this information helps you to build your WebView,

Thanks & Regards
Mandar Apte