Add Package
webview_flutter: ^0.3.14+1
Add File ProgressHud.dart
library modal_progress_hud;
import 'package:flutter/material.dart';
class ProgressHUD extends StatelessWidget {
final Widget child;
final bool inAsyncCall;
final double opacity;
final Color color;
final Animation<Color> valueColor;
ProgressHUD({
Key key,
@required this.child,
@required this.inAsyncCall,
this.opacity = 0.3,
this.color = Colors.grey,
this.valueColor,
}) : super(key: key);
@override
Widget build(BuildContext context) {
List<Widget> widgetList = new List<Widget>();
widgetList.add(child);
if (inAsyncCall) {
final modal = new Stack(
children: [
new Opacity(
opacity: opacity,
child: ModalBarrier(dismissible: false, color: color),
),
new Center(
child: new CircularProgressIndicator(
valueColor: valueColor,
),
),
],
);
widgetList.add(modal);
}
return Stack(
children: widgetList,
);
}
}
Change File main.dart
import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';
import 'package:flutter_webview/progress_hud.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter.id',
debugShowCheckedModeBanner: false,
home: MyHomePage(title: 'Flutter.id'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
bool _isLoading = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title,style: TextStyle(color:Colors.white),),
),
body: ProgressHUD(
child: Padding(
padding: EdgeInsets.all(10.0),
child: Stack(
children: <Widget>[
WebView(
initialUrl:"https://flutter.id/",
javascriptMode: JavascriptMode.unrestricted,
onPageFinished: pageFinishedLoading,
),
],
),
),
inAsyncCall: _isLoading,
opacity: 0.0,
));
}
void pageFinishedLoading(String url) {
setState(() {
_isLoading = false;
});
}
}
