Socket + Flutter example

socker_fluter.dart

// Flutte side

import 'package:flutter/material.dart';
//ignore: library_prefixes
import 'package:socket_io_client/socket_io_client.dart' as IO;

const apiSocketUrl = 'wss://<render-end-point>.com';
const apiSocketUrl = 'http://localhost:8000';

//👉🏼 obs: Android and Localhost worked perfectly.

class SocketUserClient {
  late final IO.Socket socket;

  SocketUserClient() {
    socketUsersClient();
  }

   void socketUsersClient() {
    socket = IO.io(apiSocketUrl, <String, dynamic>{
      'autoConnect': true,
      'transports': ['websocket'],
    });
    socket.connect();

    //debugPrint('🚀 user_socket_client.dart; socketConnected ID -');
    socket.onConnect((_) {
      debugPrint('🚀 user_socket_client.dart; LIGADO socket CLient DART');
    });
    socket.on('user update', (data) => debugPrint('🚀 user_socket_client.dart; UPDATE - $data'));
    socket.on('user removed', (data) => debugPrint('🚀 user_socket_client.dart; data - $data '));
    socket
        .onDisconnect((_) => debugPrint('🚀 user_socket_client.dart; Cliente Socket Desconectado'));
    socket.onError((err) => debugPrint('🚀 user_socket_client.dart; err - $err'));
  }

  void disposeSocket() {
    socket.disconnect();
    socket.dispose();
  } 
}