didvan-app/lib/views/web/web_view.dart

76 lines
2.2 KiB
Dart

// ignore_for_file: library_private_types_in_public_api, deprecated_member_use
import 'package:didvan/constants/assets.dart';
import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';
class WebView extends StatefulWidget {
final String src;
const WebView({Key? key, required this.src}) : super(key: key);
@override
_WebViewState createState() => _WebViewState();
}
class _WebViewState extends State<WebView> {
late WebViewController controller;
bool loading = true;
int progress = 0;
@override
void initState() {
controller = WebViewController()
..setJavaScriptMode(JavaScriptMode.unrestricted)
..setNavigationDelegate(
NavigationDelegate(
onProgress: (int progress) {
// Update loading bar.
setState(() {
this.progress = progress;
});
},
onPageStarted: (String url) {},
onPageFinished: (String url) async {
await Future.delayed(const Duration(seconds: 2));
setState(() {
if (progress == 100) loading = false;
});
},
onHttpError: (HttpResponseError error) {},
onWebResourceError: (WebResourceError error) {
// navigatorKey.currentState!.pop();
},
onNavigationRequest: (NavigationRequest request) {
// if (request.url.startsWith('https://www.youtube.com/')) {
// return NavigationDecision.prevent;
// }
return NavigationDecision.navigate;
},
),
)
..loadRequest(Uri.parse(widget.src));
super.initState();
}
@override
Widget build(BuildContext context) {
return WillPopScope(
onWillPop: () async {
if (await controller.canGoBack()) {
await controller.goBack();
return false;
} else {
return true;
}
},
child: loading
? Center(
child: Image.asset(
Assets.loadingAnimation,
width: 60,
height: 60,
),
)
: WebViewWidget(controller: controller));
}
}