jio_webview 0.1.8 
jio_webview: ^0.1.8 copied to clipboard
jiocoders.comA Flutter plugin for both android and iOS which provides native webview.
jio_webview #
Description #
A Flutter plugin for both android and iOS which provides native webview.
Performance Metrics #
- Build Status: The current status of the CI build.
- Build Time: Average build time for the CI.
Getting Started #
Published package url -
https://pub.flutter-io.cn/packages/jio_webview
Usage #
To use this package :
- add the dependency to your pubspec.yaml file.
dependencies:
flutter:
sdk: flutter
jio_webview:
How to use #
import 'dart:async';
import 'dart:developer' as developer;
import 'package:flutter/material.dart';
import 'package:jio_webview/jio_webview.dart';
import 'package:url_launcher/url_launcher.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
bool isLoading = false;
static const String webUrl = 'https://jiocoders.com/';
late final WebViewController _webViewController;
final String kLogExamplePage = '''
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>HTML string</title>
<script>
function sendIosMessageToFlutter() {
if (window.webkit && window.webkit.messageHandlers.JioFlutterJsInterface) {
window.webkit.messageHandlers.JioFlutterJsInterface.postMessage("Hello from HTML!");
} else {
console.log("Flutter interface not available.");
}
}
</script>
<script>
function postSomeMessage(message) {
window.webkit.messageHandlers.headerInfo.postMessage(message)
}
</script>
<script type="text/javascript">
const functionAlert = (message) => alert(message);
window.fAlert = functionAlert;
const mLogs = (msg) => console.info(msg);
window.fLog = mLogs;
// fromFlutter(newTitle) {
// document.getElementById("title").innerHTML = newTitle;
// sendBack();
// }
// window.function = fff;
function sendBack() {
window.webkit.messageHandler.headerInfo.postMessage("Hello from JS");
}
</script>
</head>
<body onLoad="console.log('Logging that the page is loading.')">
<h3>Local Html Page</h3>
<style>
.btn-group button {
padding: 8px; 12px;
display: block;
width: 60%;
margin: 5px 0px 10px 0px;
}
</style>
<div class="btn-group">
<ul><ul>
<button onclick="sendIosMessageToFlutter()"><b>Send iOS Message</b></button>
<button onclick="window.JioFlutterJsInterface.postMessage('js_close')"><b>Call Flutter</b></button>
<button onclick="console.error('This is an error message.')"><b>Error</b></button>
<button onclick="console.debug('This is a debug message.')"><b>Debug</b></button>
<button onclick="console.log('This is a log message.')"><b>Log</b></button>
<button onclick="alert('Alert from WebView!')"><b>Alert</b></button>
<button onclick="prompt('Prompt from WebView!')"><b>Prompt</b></button>
<button onclick="window.open('https://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_win_open')"><b>Pop-up Open</b></button>
<button onclick="window.close()"><b>Pop-up Close</b></button>
</div>
<p>
<i>The navigation delegate is set to block navigation to the youtube website.</i>
</p>
<ul><ul>
<a href="upi://pay?pa=upiaddress@okhdfcbank&pn=JohnDoe&cu=INR">Buy Now</a>
<br/>
<br/>
<a href="https://www.youtube.com/">https://www.youtube.com/</a>
<br/>
<br/>
<a href="https://www.google.cn/">https://www.google.cn/</a>
<br/>
</body>
</html>
''';
Future<void> setupController() async {
_webViewController.registerPopupWindowJavaScriptListener(
NavigationDelegate(
onPageStarted: (url) {
developer.log("Main.onPageStarted::$url");
setState(() {
isLoading = true;
});
},
onProgress: (progress) {
developer.log("Main.onProgress::$progress");
},
onPageFinished: (url) {
developer.log("Main.onPageFinished::$url");
setState(() {
isLoading = false;
});
},
onHttpError: (error) =>
developer.log("HTTP error: ${error.description}"),
onNavigationRequest: (request) async {
if (request.url.startsWith('https://www.youtube.com/')) {
return NavigationDecision.prevent;
}
if (request.url.startsWith('upi://pay?')) {
_launchURL(request.url);
return NavigationDecision.prevent;
}
return NavigationDecision.navigate;
},
),
jsChannel: /**/
JavascriptChannel(
name: 'JioFlutterJsInterface',
onMessageReceived: (JavaScriptMessage message) {
developer.log('Main::Message Received::${message.message}');
}),
);
}
void _launchURL(String url) async {
var result = await launchUrl(Uri.parse(url));
debugPrint(result.toString());
if (result == true) {
developer.log("UPI Success");
} else if (result == false) {
developer.log("UPI Fail");
}
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Jio WebView example app'),
actions: [
IconButton(
icon: const Icon(Icons.refresh),
onPressed: () async {
await _webViewController.reload();
},
),
IconButton(
icon: const Icon(Icons.arrow_back),
onPressed: () async {
if (await _webViewController.canGoBack()) {
await _webViewController.goBack();
}
},
),
IconButton(
icon: const Icon(Icons.run_circle),
onPressed: () async {
final userAgent = await _webViewController.getUserAgent();
developer.log('defaultUserAgent:: $userAgent');
_webViewController.evaluateJavascript("""
var newWin = window.open('https://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_win_open');
if (!newWin || newWin.closed || typeof newWin.closed == 'undefined') {
console.log('Pop-up blocked');
} else {
console.log('Pop-up opened successfully!');
}
""");
},
),
IconButton(
icon: const Icon(Icons.home),
onPressed: () async {
// const homeUrl =
// 'https://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_win_open';
// await _webViewController.loadUrl(homeUrl);
await _webViewController.loadHtmlString(kLogExamplePage);
},
),
],
),
body: Stack(
children: [
NativeWebView(
webUrl: webUrl,
onControllerCreated: (wc) {
_webViewController = wc;
setupController();
},
),
isLoading
? const Center(child: CircularProgressIndicator())
: const SizedBox()
],
),
),
);
}
}
License #
Copyright (c) 2024 Jiocoders
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Getting Started #
For help getting started with Flutter, view our online documentation.
For help on editing package code, view the documentation.
Metadata
Publisher
Weekly Downloads
Metadata
A Flutter plugin for both android and iOS which provides native webview.
Repository (GitHub)
View/report issues
Topics
#webview #native #platform-view #webclient #controller
Documentation
License
MIT (license)
Dependencies
flutter, jio_webview_platform_interface
More
Packages that depend on jio_webview
Packages that implement jio_webview
