webview_page.dart
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// import 'dart:async';
// import 'dart:convert';
// import 'dart:io';
// import 'package:flutter/material.dart';
// import 'package:one_key/utils/event_bus.dart';
// import 'package:one_key/widgets/app_bar.dart';
// import 'package:one_key/widgets/system_app_bar.dart';
// import 'package:webview_flutter/webview_flutter.dart';
// class WebViewPage extends StatefulWidget {
// @override
// _WebViewPageState createState() => _WebViewPageState();
// }
// class _WebViewPageState extends State<WebViewPage> {
// final Completer<WebViewController> _controller =
// Completer<WebViewController>();
// @override
// void initState() {
// super.initState();
// // Enable hybrid composition.
// if (Platform.isAndroid) WebView.platform = SurfaceAndroidWebView();
// }
// @override
// void dispose() {
// // TODO: implement dispose
// EventBus().emit('changeStatusColor');
// super.dispose();
// }
// @override
// Widget build(BuildContext context) {
// return Scaffold(
// // We're using a Builder here so we have a context that is below the Scaffold
// // to allow calling Scaffold.of(context) so we can show a snackbar.
// appBar: SystemAppBar(
// '周到安排商家',
// ),
// body: Builder(builder: (BuildContext context) {
// return WebView(
// initialUrl: "https://support.qq.com/product/152856",
// javascriptMode: JavascriptMode.unrestricted,
// onWebViewCreated: (WebViewController webViewController) {
// _controller.complete(webViewController);
// },
// // TODO(iskakaushik): Remove this when collection literals makes it to stable.
// // ignore: prefer_collection_literals
// javascriptChannels: <JavascriptChannel>[
// _toasterJavascriptChannel(context),
// ].toSet(),
// navigationDelegate: (NavigationRequest request) {
// if (request.url.startsWith('https://www.youtube.com/')) {
// print('blocking navigation to $request}');
// return NavigationDecision.prevent;
// }
// print('allowing navigation to $request');
// return NavigationDecision.navigate;
// },
// onPageStarted: (String url) {
// print('Page started loading: $url');
// },
// onPageFinished: (String url) {
// print('Page finished loading: $url');
// },
// gestureNavigationEnabled: true,
// );
// }),
// );
// }
// JavascriptChannel _toasterJavascriptChannel(BuildContext context) {
// return JavascriptChannel(
// name: 'Toaster',
// onMessageReceived: (JavascriptMessage message) {
// ScaffoldMessenger.of(context).showSnackBar(
// SnackBar(content: Text(message.message)),
// );
// });
// }
// }