-
Notifications
You must be signed in to change notification settings - Fork 44
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #91 from auguzsto/master
Adding example for flutter application.
- Loading branch information
Showing
1 changed file
with
98 additions
and
0 deletions.
There are no files selected for viewing
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
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,98 @@ | ||
import 'dart:convert'; | ||
|
||
import 'package:flutter/material.dart'; | ||
import 'package:stomp_dart_client/stomp.dart'; | ||
import 'package:stomp_dart_client/stomp_config.dart'; | ||
import 'package:stomp_dart_client/stomp_frame.dart'; | ||
|
||
void main() { | ||
runApp(const MaterialApp( | ||
home: HomePage(), | ||
)); | ||
} | ||
|
||
class HomePage extends StatefulWidget { | ||
const HomePage({super.key}); | ||
|
||
@override | ||
State<HomePage> createState() => _HomePageState(); | ||
} | ||
|
||
class _HomePageState extends State<HomePage> { | ||
late StompClient stompClient; | ||
|
||
// WebSocket Server with SockJS | ||
String socketUrlSockJS = "http://localhost:8080/ws-message"; | ||
|
||
// WebSocket Server without SockJS | ||
String socketUrl = "ws://localhost:8080/ws-message"; | ||
|
||
// String to change in listener Subscription | ||
String message = ''; | ||
|
||
// Subscription | ||
void onConnect(StompClient stompClient, StompFrame stompFrame) { | ||
stompClient.subscribe( | ||
destination: '/topic/message', | ||
callback: (frame) { | ||
if (frame.body != null) { | ||
// Here changes the state in screen | ||
setState(() { | ||
Map<String, dynamic> result = jsonDecode(frame.body!); | ||
message = result['message']; | ||
}); | ||
} | ||
}, | ||
); | ||
} | ||
|
||
@override | ||
void initState() { | ||
super.initState(); | ||
|
||
// Configuration client with SockJS. | ||
stompClient = StompClient( | ||
config: StompConfig.SockJS( | ||
url: socketUrlSockJS, | ||
onConnect: (stompFrame) => onConnect(stompClient, stompFrame), | ||
), | ||
); | ||
|
||
// Configuration client without SockJS. | ||
// stompClient = StompClient( | ||
// config: StompConfig( | ||
// url: socketUrl, | ||
// onConnect: (stompFrame) => onConnect(stompClient, stompFrame), | ||
// ), | ||
// ); | ||
|
||
stompClient.activate(); | ||
} | ||
|
||
@override | ||
Widget build(BuildContext context) { | ||
return Scaffold( | ||
appBar: AppBar( | ||
title: const Text("Stomp Client Demo"), | ||
), | ||
body: Center( | ||
child: Column( | ||
mainAxisAlignment: MainAxisAlignment.center, | ||
children: [ | ||
Text( | ||
"Your message from server:", | ||
style: Theme.of(context).textTheme.bodyLarge, | ||
), | ||
Text(message), | ||
], | ||
), | ||
), | ||
); | ||
} | ||
|
||
@override | ||
void dispose() { | ||
stompClient.deactivate(); | ||
super.dispose(); | ||
} | ||
} |