환경

구현 예

코드 예

import UIKit
import WebKit

class ViewController: UIViewController,WKNavigationDelegate {
    @IBOutlet weak var webView: WKWebView!
    @IBOutlet weak var indicator: UIActivityIndicatorView!

    override func viewDidLoad() {
        super.viewDidLoad()

        webView.navigationDelegate = self

        let request = URLRequest(url:URL(string: "https://www.google.co.jp/")!)

        webView.load(request)
    }

    func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
        indicator.startAnimating()
    }

    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {

        indicator.stopAnimating()
        indicator.isHidden = true

    }

}