Final WebSocket Flutter Demo
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import 'package:flutter/material.dart'; | |
import 'package:web_socket_channel/web_socket_channel.dart'; | |
import 'package:web_socket_channel/io.dart'; | |
void main() => runApp(new MyApp()); | |
class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
home: MyHomePage(), | |
); | |
} | |
} | |
class MyHomePage extends StatefulWidget { | |
WebSocketChannel channel = IOWebSocketChannel.connect("wss://ws.ifelse.io/"); | |
@override | |
MyHomePageState createState() { | |
return MyHomePageState(); | |
} | |
} | |
class MyHomePageState extends State<MyHomePage> { | |
TextEditingController _controller = TextEditingController(); | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
appBar: AppBar( | |
title: Text("Web Socket"), | |
), | |
body: Padding( | |
padding: const EdgeInsets.all(20.0), | |
child: Column( | |
crossAxisAlignment: CrossAxisAlignment.start, | |
children: <Widget>[ | |
Form( | |
child: TextFormField( | |
decoration: InputDecoration(labelText: "Send any message to the server"), | |
controller: _controller, | |
), | |
), | |
StreamBuilder( | |
stream: widget.channel.stream, | |
builder: (context, snapshot) { | |
return Padding( | |
padding: const EdgeInsets.all(20.0), | |
child: Text(snapshot.hasData ? '${snapshot.data}' : ''), | |
); | |
}, | |
) | |
], | |
), | |
), | |
floatingActionButton: FloatingActionButton( | |
child: Icon(Icons.send), | |
onPressed: sendData, | |
), | |
); | |
} | |
void sendData() { | |
if (_controller.text.isNotEmpty) { | |
widget.channel.sink.add(_controller.text); | |
} | |
} | |
@override | |
void dispose() { | |
widget.channel.sink.close(); | |
super.dispose(); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment