WebViewClient与WebChromeClient

WebViewClient

WebViewClient中的常用方法有:

• onPageFinished(WebView view, String url)
• onPageStarted(WebView view, String url, Bitmap favicon)
• onReceivedSslError(WebView view, SslErrorHandler handler, SslError error)
• shouldInterceptRequest(WebView view, String url)
• shouldOverrideUrlLoading(WebView view, String url)
  等,以上方法都是webview中请求过程等事件的处理方法.

WebChromeClient

WebChromeClient中的常用方法有:

• onCloseWindow(WebView window)
• onConsoleMessage(ConsoleMessage consoleMessage)
• onJsAlert(WebView view, String url, String message, JsResult result)
• onJsConfirm(WebView view, String url, String message, JsResult result)
• onJsPrompt(WebView view, String url, String message, String defaultValue, JsPromptResult result)
• onPermissionRequest(PermissionRequest request)
• onReceivedIcon(WebView view, Bitmap icon)
• onReceivedTitle(WebView view, String title)
• onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback, WebChromeClient.FileChooserParams fileChooserParams)
  等,以上方法都是webview和用户之间有交互的一些方法,如JS弹窗,文件选择弹窗,窗口关闭等