import 'dart:async'; import 'package:flutter/material.dart'; import 'package:flutter_inappbrowser/flutter_inappbrowser.dart'; class MyInappBrowser extends InAppBrowser { @override Future onBrowserCreated() async { print("\n\nBrowser Ready!\n\n"); } @override Future onLoadStart(String url) async { print("\n\nStarted $url\n\n"); } @override Future onLoadStop(String url) async { print("\n\nStopped $url\n\n"); } @override Future onScrollChanged(int x, int y) async { print("Scrolled: x:$x y:$y"); } @override void onLoadError(String url, int code, String message) { print("Can't load $url.. Error: $message"); } @override void onProgressChanged(int progress) { print("Progress: $progress"); } @override void onExit() { print("\n\nBrowser closed!\n\n"); } @override void shouldOverrideUrlLoading(String url) { print("\n\n override $url\n\n"); this.webViewController.loadUrl(url); } @override void onLoadResource(WebResourceResponse response) { print("Started at: " + response.startTime.toString() + "ms ---> duration: " + response.duration.toString() + "ms " + response.url); } @override void onConsoleMessage(ConsoleMessage consoleMessage) { print(""" console output: sourceURL: ${consoleMessage.sourceURL} lineNumber: ${consoleMessage.lineNumber} message: ${consoleMessage.message} messageLevel: ${consoleMessage.messageLevel.toValue()} """); } @override void onDownloadStart(String url) { print("Download of " + url); } @override Future onLoadResourceCustomScheme(String scheme, String url) async { print("custom scheme: " + scheme); } @override Future onGeolocationPermissionsShowPrompt(String origin) async { print("request Geolocation permission API"); } @override Future onJsAlert(String message) async { return new JsAlertResponse(handledByClient: false, message: "coma iam"); } @override Future onJsConfirm(String message) { } @override Future onJsPrompt(String message, String defaultValue) { } } class WebviewExampleScreen extends StatefulWidget { final MyInappBrowser browser = new MyInappBrowser(); static BuildContext context = null; @override _WebviewExampleScreenState createState() => new _WebviewExampleScreenState(); } class _WebviewExampleScreenState extends State { @override void initState() { super.initState(); } @override Widget build(BuildContext context) { WebviewExampleScreen.context = context; return new Center( child: new RaisedButton( onPressed: () { widget.browser.openFile( "assets/index.html", //url: "https://www.google.com/", options: [ InAppWebViewOptions( useShouldOverrideUrlLoading: true, useOnLoadResource: true, ) ] ); }, child: Text("Open Webview Browser")), ); } }