realtime_socket_io 1.0.2 realtime_socket_io: ^1.0.2 copied to clipboard
A Socket implementation flow to join a room, listen to changes and communicate with your Socket Server.
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:realtime_socket_io/realtime_socket_io.dart';
import 'package:realtime_socket_io/response.dart';
import 'package:realtime_socket_io/socketService.dart';
import 'package:http/http.dart' as http;
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return ChangeNotifierProvider(
create: (context) =>
SocketService("http://myawesomeapi:PORT", "subRoom", "unSubRoom"),
child: new MaterialApp(
debugShowCheckedModeBanner: false,
home: HomeScreen(),
),
);
}
}
class HomeScreen extends StatelessWidget {
@override
Widget build(BuildContext context) {
SocketService socketService = Provider.of<SocketService>(context);
if (!socketService.isConnected()) socketService.createSocket();
print(socketService.getSocket.connected);
return !socketService.isConnected()
? notConnected(socketService)
: roomManager(socketService);
}
Widget notConnected(SocketService socketService) => Scaffold(
floatingActionButton: FloatingActionButton(
child: Icon(Icons.refresh),
onPressed: () {
socketService.connect();
}),
body: Center(
child: Text("Not Connected"),
),
);
Widget roomManager(SocketService socketService) => RoomManager(
socket: socketService.getSocket,
roomName: "numbers",
updateString: "numbersUpdate",
builder: (BuildContext context, Response response) {
return Scaffold(
floatingActionButton: _addNumber(socketService.socketURL),
body: Builder(
builder: (context) {
if (!response.hasData)
return Center(
child: Text("Loading..."),
);
if (response.isEmpty)
return Center(child: Text("Empty Data"));
DataClass data = DataClass.fromJson(response.data);
return ListView.builder(
itemCount: data.numbers.length,
itemBuilder: (context, index) {
int number = data.numbers[index];
return ListTile(
title: Text("$number"),
);
});
},
));
},
);
Widget _addNumber(String url) => FloatingActionButton(
child: Icon(Icons.add),
onPressed: () {
http.post(url);
},
);
}
class DataClass {
// Json Data gets parsed here.
List<dynamic> numbers;
DataClass.fromJson(Map<String, dynamic> data) : numbers = data['data'];
}