wkwebview 相关问题

import UIKit import WebKit class CycleViewController: UIViewController, WKNavigationDelegate, WKUIDelegate { var webView: WKWebView! @IBOutlet weak var containerView: UIView! @IBOutlet weak var progressView: UIProgressView! override func loadView() { super.loadView() } override func viewDidLoad() { super.viewDidLoad() progressView.setProgress(0.1, animated: true) let webConfiguration = WKWebViewConfiguration() webConfiguration.applicationNameForUserAgent = "Version/8.0.2 Safari/600.2.5" let customFrame = CGRect.init(origin: CGPoint.zero, size: CGSize.init(width: 0.0, height: self.containerView.frame.size.height)) webView = WKWebView(frame: customFrame, configuration: webConfiguration) webView.uiDelegate = self webView.navigationDelegate = self self.containerView.addSubview(webView) self.webView.translatesAutoresizingMaskIntoConstraints = false self.view.addConstraint(NSLayoutConstraint(item: webView, attribute: .trailing, relatedBy: .equal, toItem: self.containerView, attribute: .trailing, multiplier: 1, constant: 0)) self.view.addConstraint(NSLayoutConstraint(item: webView, attribute: .leading, relatedBy: .equal, toItem: self.containerView, attribute: .leading, multiplier: 1, constant: 0)) self.view.addConstraint(NSLayoutConstraint(item: webView, attribute: .top, relatedBy: .equal, toItem: self.containerView, attribute: .top, multiplier: 1, constant: 0)) self.view.addConstraint(NSLayoutConstraint(item: webView, attribute: .bottom, relatedBy: .equal, toItem: self.containerView, attribute: .bottom, multiplier: 1, constant: 0)) progressView.sizeToFit() progressView.progressTintColor = UIColor(red: 255/255, green: 204/255, blue: 0/255, alpha: 1.0) webView.backgroundColor = UIColor.clear webView.backgroundColor = UIColor(red: 0.0196, green: 0.4, blue: 0.2902, alpha: 1.0) webView.isOpaque = false self.webView.load(NSURLRequest(url: URL(string: "https://jwelsh19.wixsite.com/countryday")!) as URLRequest) self.webView.addObserver(self, forKeyPath: "estimatedProgress", options: .new, context: nil) } override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) { if keyPath == "estimatedProgress" { print(self.webView.estimatedProgress); self.progressView.progress = Float(self.webView.estimatedProgress); } } @IBAction func home(_ sender: UIButton) { let myURL = URL(string: "https://jwelsh19.wixsite.com/countryday") let myRequest = URLRequest(url: myURL!) webView.load(myRequest) } @IBAction func refresh(_ sender: UIButton) { webView.reload() } //This method will call when you press button. @objc func acButtonPressed() { print("button is pressed") self.performSegue(withIdentifier: "Account", sender: self) } } `

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