147 lines
4.3 KiB
Dart
147 lines
4.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_inappbrowser/flutter_inappbrowser.dart';
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class InlineExampleScreen extends StatefulWidget {
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@override
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_InlineExampleScreenState createState() => new _InlineExampleScreenState();
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}
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class Foo {
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String bar;
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String baz;
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Foo({this.bar, this.baz});
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Map<String, dynamic> toJson() {
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return {
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'bar': this.bar,
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'baz': this.baz
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};
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}
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}
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class _InlineExampleScreenState extends State<InlineExampleScreen> {
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InAppWebViewController webView;
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String url = "";
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double progress = 0;
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@override
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void initState() {
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super.initState();
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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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}
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@override
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Widget build(BuildContext context) {
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return Container(
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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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Container(
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padding: EdgeInsets.all(10.0),
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child: progress < 1.0 ? LinearProgressIndicator(value: progress) : null
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),
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Expanded(
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child: Container(
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margin: const EdgeInsets.all(10.0),
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decoration:
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BoxDecoration(border: Border.all(color: Colors.blueAccent)),
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child: InAppWebView(
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//initialUrl: "https://flutter.dev/",
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initialFile: "assets/index.html",
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initialHeaders: {},
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initialOptions: {
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//"useShouldOverrideUrlLoading": true,
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//"useOnLoadResource": true
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},
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onWebViewCreated: (InAppWebViewController controller) {
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webView = controller;
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webView.addJavaScriptHandler('handlerFoo', (args) {
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return new Foo(bar: 'bar_value', baz: 'baz_value');
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});
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webView.addJavaScriptHandler('handlerFooWithArgs', (args) {
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print(args);
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return [args[0] + 5, !args[1], args[2][0], args[3]['foo']];
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});
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},
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onLoadStart: (InAppWebViewController controller, String url) {
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print("started $url");
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setState(() {
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this.url = url;
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});
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},
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onLoadStop: (InAppWebViewController controller, String url) async {
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print("stopped $url");
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},
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onProgressChanged:
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(InAppWebViewController controller, int progress) {
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setState(() {
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this.progress = progress / 100;
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});
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},
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shouldOverrideUrlLoading: (InAppWebViewController controller, String url) {
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print("override $url");
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controller.loadUrl(url);
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},
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onLoadResource: (InAppWebViewController controller, WebResourceResponse response, WebResourceRequest request) {
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print("Started at: " +
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response.startTime.toString() +
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"ms ---> duration: " +
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response.duration.toString() +
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"ms " +
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response.url);
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},
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onConsoleMessage: (InAppWebViewController controller, ConsoleMessage consoleMessage) {
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print("""
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console output:
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sourceURL: ${consoleMessage.sourceURL}
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lineNumber: ${consoleMessage.lineNumber}
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message: ${consoleMessage.message}
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messageLevel: ${consoleMessage.messageLevel}
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""");
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},
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),
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),
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),
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ButtonBar(
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alignment: MainAxisAlignment.center,
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children: <Widget>[
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RaisedButton(
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child: Icon(Icons.arrow_back),
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onPressed: () {
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if (webView != null) {
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webView.goBack();
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}
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},
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),
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RaisedButton(
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child: Icon(Icons.arrow_forward),
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onPressed: () {
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if (webView != null) {
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webView.goForward();
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}
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},
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),
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RaisedButton(
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child: Icon(Icons.refresh),
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onPressed: () {
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if (webView != null) {
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webView.reload();
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}
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},
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),
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],
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),
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]));
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}
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}
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