Xamarin / MAUI

using System;

using System.Collections.Generic;

using System.Text;

using System.Threading.Tasks;

using TestXamConnections.Connection;

using Xamarin.Forms;

namespace TestXamConnections.Device.Barcode.Honeywell

{

    public class HoneywellBTReader : IBarcodeReader

    {

        public DeviceInfo DeviceI { get; set; }

        public IConnectionService ConnectionService { get; set; }

        /// <summary>

        /// Événement déclenché à la reception de données par le lecteur de code barre Honeywell.

        /// </summary>

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

        public HoneywellBTReader(DeviceInfo device)

        {

            DeviceI.Name = device.Name;

            DeviceI.MACAddress = device.MACAddress;

            ConnectionService = DependencyService.Get<IConnectionServiceProvider>().GetConnectionServiceInstance(ConnectionType.Bluetooth);

            ConnectionService.DataReceivedEvent += BluetoothDataReceived;

        }

        private void BluetoothDataReceived(object sender, byte[] e)

        {

            string data = Encoding.ASCII.GetString(e);

            BarcodeDataReceivedEvent.Invoke(this, data);

        }

        public async Task<bool> EnableServiceAsync()

        {

            Dictionary<string, string> param = new Dictionary<string, string>()

            {

                { ConnectionConstants.MAC_ADDR_KEY, DeviceI.MACAddress }

            };

            bool ret = await ConnectionService.Connect(param);

            return ret;

        }

        public Task<bool> StartScanAsync()

        {

            throw new NotImplementedException();

        }

    }

}