Xamarin / MAUI

using TestXamConnections.Helper;

        // Pour le bluetooth, le paramètre de connection est l'addresse MAC

        public EventHandler<string> ConnectionFailedEvent { get; set; }

        public async Task Connect(Dictionary<string, string> param)

                if (param.ContainsKey(ConnectionConstants.MAC_ADDR_KEY))

                    BluetoothDevice droidBtDevice = bluetoothAdapter.GetRemoteDevice(param[ConnectionConstants.MAC_ADDR_KEY]);

                    if (droidBtDevice != null)

                        // Si le socket est occupé pour une autre connexion

                        // On ferme la connexion existante

                        if (socket != null)

                        {

                            await CloseConnection();

                        }

                        // Creation du canal RFCOMM (non sécurisé)

                        socket = droidBtDevice.CreateInsecureRfcommSocketToServiceRecord(UUID.FromString(sppUUID));

                        CancellationTokenSource cts = new CancellationTokenSource();

                        cts.CancelAfter(50000);

                        await socket.ConnectAsync().WithCancellation(cts.Token);

                        if (listeningThread != null)

                        {

                            listeningThread.Abort();

                        }

                        listeningThread = new Thread(async delagate => await ListeningAsync());

                        listeningThread.Start();

                    }

            catch (Exception)

                Application.SynchronizationContext.Post(_ => { ConnectionFailedEvent.Invoke(this, param[ConnectionConstants.MAC_ADDR_KEY]); }, null);

        public Task<bool> SendCommand(string command)

        {

            throw new NotImplementedException();

        }