import UIKit
import WebKit

class ViewController: UIViewController, WKNavigationDelegate {
    var webView: WKWebView!

    override func loadView() {
        webView = WKWebView()
        webView.navigationDelegate = self
        view = webView
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        let url = URL(string: "https://www.google.com")!
        webView.load(URLRequest(url: url))
        webView.allowsBackForwardNavigationGestures = true
    }
    
    public func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Swift.Void) {
            if(navigationAction.navigationType == .other) {
                if let redirectedUrl = navigationAction.request.url {
                    //do what you need with url
                    //self.delegate?.openURL(url: redirectedUrl)
                }
                decisionHandler(.cancel)
                return
            }
            decisionHandler(.allow)
        }
}