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Bool {<\/p>\n<p>    \/\/ Override point for customization after application launch.<\/p>\n<p>    \/\/ \u521b\u5efa\u4e00\u4e2aWKWebView\u6216UIWebView\u5bf9\u8c61<\/p>\n<p>    let webView = WKWebView(frame: UIScreen.main.bounds)<\/p>\n<p>    \/\/ \u52a0\u8f7d\u7f51\u9875<\/p>\n<p>    let url = URL(string: &#8220;http:\/\/www.example.com&#8221;)<\/p>\n<p>    let request = URLRequest(url: url!)<\/p>\n<p>    webView.load(request)<\/p>\n<p>    \/\/ \u5c06WKWebView\u6216UIWebView\u5bf9\u8c61\u6dfb\u52a0\u5230\u7a97\u53e3\u4e2d<\/p>\n<p>    self.window?.rootViewController = UIView<a href=\"https:\/\/www.yimenapp.net\/dabao-4429.html\">android widget\u5f00\u53d1<\/a>Controller()<\/p>\n<p>    self.window?.rootViewController?.view.addSubview(webView)<\/p>\n<p>    self.window?.makeKeyAndVisible()<\/p>\n<p>    return true<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>4. \u5728\u7f51\u9875\u4e2d\u901a\u8fc7JavaScript\u8c03\u7528\u539f\u751f\u5e94\u7528\u63d0\u4f9b\u7684API\uff0c\u53ef\u4ee5\u4f7f\u7528JavaScriptCore\u6846\u67b6\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<p>&#8220;`javascript<\/p>\n<p>\/\/ \u5728\u7f51\u9875\u4e2d\u8c03\u7528\u539f\u751f\u5e94\u7528\u63d0\u4f9b\u7684API<\/p>\n<p>window.webkit.messageHandlers.showAlert.postMessage(&#8220;Hello, world!&#8221;);<\/p>\n<p>\/\/ \u5728\u539f\u751f\u5e94\u7528\u4e2d\u5b9e\u73b0API<\/p>\n<p>@objc func showAlert(_ message: String) {<\/p>\n<p>    let alertController = UIAlertController(title: &#8220;Alert&#8221;, message: message, preferredStyle: .alert)<\/p>\n<p>    let okAction = UIAlertAction(title: &#8220;OK&#8221;, style: .default, handler: nil)<\/p>\n<p>    alertController.addAction(okAction)<\/p>\n<p>    self.present(alertController, animated: true, compl<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-03\/31\/15\/12766754067.jpg\" \/><\/figure>\n<\/p>\n<p>etion: nil)<\/p>\n<p>}<\/p>\n<p>\/\/ \u6ce8\u518cAPI<\/p>\n<p>let script = WKUserScript(source: &#8220;window.webkit.messageHandlers.showAlert = function(message) { window.webkit.messageHandlers.nativeAPI.postMessage({name: &#8216;showAlert&#8217;, message: message}); 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