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web_view_stack.dart
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54 lines (47 loc) · 1.31 KB
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// Copyright 2022 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';
class WebViewStack extends StatefulWidget {
const WebViewStack({required this.controller, super.key});
final WebViewController controller;
@override
State<WebViewStack> createState() => _WebViewStackState();
}
class _WebViewStackState extends State<WebViewStack> {
var loadingPercentage = 0;
@override
void initState() {
super.initState();
widget.controller.setNavigationDelegate(
NavigationDelegate(
onPageStarted: (url) {
setState(() {
loadingPercentage = 0;
});
},
onProgress: (progress) {
setState(() {
loadingPercentage = progress;
});
},
onPageFinished: (url) {
setState(() {
loadingPercentage = 100;
});
},
),
);
}
@override
Widget build(BuildContext context) {
return Stack(
children: [
WebViewWidget(controller: widget.controller),
if (loadingPercentage < 100)
LinearProgressIndicator(value: loadingPercentage / 100.0),
],
);
}
}