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import 'dart:async';
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import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:one_key/widgets/app_bar.dart';
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import 'package:webview_flutter/webview_flutter.dart';
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class WebViewPage extends StatefulWidget {
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@override
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_WebViewPageState createState() => _WebViewPageState();
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}
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class _WebViewPageState extends State<WebViewPage> {
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final Completer<WebViewController> _controller =
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Completer<WebViewController>();
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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// We're using a Builder here so we have a context that is below the Scaffold
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// to allow calling Scaffold.of(context) so we can show a snackbar.
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appBar: AppBar(
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title: const Text('一键订'),
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// This drop down menu demonstrates that Flutter widgets can be shown over the web view.
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),
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body: Builder(builder: (BuildContext context) {
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return WebView(
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initialUrl: "https://support.qq.com/product/152856",
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javascriptMode: JavascriptMode.unrestricted,
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onWebViewCreated: (WebViewController webViewController) {
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_controller.complete(webViewController);
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},
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// TODO(iskakaushik): Remove this when collection literals makes it to stable.
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// ignore: prefer_collection_literals
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javascriptChannels: <JavascriptChannel>[
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_toasterJavascriptChannel(context),
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].toSet(),
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navigationDelegate: (NavigationRequest request) {
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if (request.url.startsWith('https://www.youtube.com/')) {
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print('blocking navigation to $request}');
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return NavigationDecision.prevent;
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}
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print('allowing navigation to $request');
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return NavigationDecision.navigate;
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},
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onPageStarted: (String url) {
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print('Page started loading: $url');
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},
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onPageFinished: (String url) {
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print('Page finished loading: $url');
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},
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gestureNavigationEnabled: true,
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);
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}),
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);
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}
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JavascriptChannel _toasterJavascriptChannel(BuildContext context) {
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return JavascriptChannel(
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name: 'Toaster',
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onMessageReceived: (JavascriptMessage message) {
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Scaffold.of(context).showSnackBar(
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SnackBar(content: Text(message.message)),
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);
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});
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}
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} |
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\ No newline at end of file |
...
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...
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