import 'dart:async'; import 'package:flutter/material.dart'; import 'package:flutter_inappbrowser/flutter_inappbrowser.dart'; class MyChromeSafariBrowser extends ChromeSafariBrowser { MyChromeSafariBrowser(browserFallback) : super(browserFallback); @override void onOpened() { print("ChromeSafari browser opened"); } @override void onLoaded() { print("ChromeSafari browser loaded"); } @override void onClosed() { print("ChromeSafari browser closed"); } } class ChromeSafariExampleScreen extends StatefulWidget { final ChromeSafariBrowser browser = new MyChromeSafariBrowser(new InAppBrowser()); @override _ChromeSafariExampleScreenState createState() => new _ChromeSafariExampleScreenState(); } class _ChromeSafariExampleScreenState extends State { @override void initState() { super.initState(); } @override Widget build(BuildContext context) { return new Center( child: new RaisedButton( onPressed: () async { await widget.browser.open("https://flutter.dev/"); }, child: Text("Open Chrome Safari Browser")), ); } }