116 lines
3.4 KiB
Dart
Executable File
116 lines
3.4 KiB
Dart
Executable File
import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_inappwebview/flutter_inappwebview.dart';
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import 'main.dart';
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class HeadlessInAppWebViewExampleScreen extends StatefulWidget {
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@override
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_HeadlessInAppWebViewExampleScreenState createState() =>
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new _HeadlessInAppWebViewExampleScreenState();
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}
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class _HeadlessInAppWebViewExampleScreenState
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extends State<HeadlessInAppWebViewExampleScreen> {
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HeadlessInAppWebView? headlessWebView;
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String url = "";
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@override
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void initState() {
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super.initState();
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var url = !kIsWeb
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? Uri.parse("https://flutter.dev")
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: Uri.parse("http://localhost:${Uri.base.port}/page.html");
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headlessWebView = new HeadlessInAppWebView(
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initialUrlRequest: URLRequest(url: url),
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initialSettings: InAppWebViewSettings(),
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onWebViewCreated: (controller) {
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print('HeadlessInAppWebView created!');
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},
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onConsoleMessage: (controller, consoleMessage) {
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print("CONSOLE MESSAGE: " + consoleMessage.message);
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},
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onLoadStart: (controller, url) async {
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setState(() {
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this.url = url.toString();
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});
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},
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onLoadStop: (controller, url) async {
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setState(() {
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this.url = url.toString();
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});
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},
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onUpdateVisitedHistory: (controller, url, isReload) {
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setState(() {
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this.url = url.toString();
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});
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},
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);
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}
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@override
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void dispose() {
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super.dispose();
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headlessWebView?.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text(
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"HeadlessInAppWebView",
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)),
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drawer: myDrawer(context: context),
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body: SafeArea(
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child: Column(children: <Widget>[
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Container(
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padding: EdgeInsets.all(20.0),
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child: Text(
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"CURRENT URL\n${(url.length > 50) ? url.substring(0, 50) + "..." : url}"),
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),
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Center(
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child: ElevatedButton(
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onPressed: () async {
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await headlessWebView?.dispose();
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await headlessWebView?.run();
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},
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child: Text("Run HeadlessInAppWebView")),
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),
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Container(
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height: 10,
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),
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Center(
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child: ElevatedButton(
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onPressed: () async {
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if (headlessWebView?.isRunning() ?? false) {
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await headlessWebView?.webViewController.evaluateJavascript(
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source: """console.log('Here is the message!');""");
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} else {
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(
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content: Text(
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'HeadlessInAppWebView is not running. Click on "Run HeadlessInAppWebView"!'),
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));
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}
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},
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child: Text("Send console.log message")),
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),
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Container(
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height: 10,
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),
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Center(
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child: ElevatedButton(
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onPressed: () {
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headlessWebView?.dispose();
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setState(() {
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this.url = "";
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});
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},
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child: Text("Dispose HeadlessInAppWebView")),
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)
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])));
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}
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}
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