Xamarin / MAUI

using Android.Bluetooth;

using Android.Content;

using System;

using TestXamConnections.Device;

namespace TestXamConnections.Droid.Receivers

{

    public class BluetoothReceiver : BroadcastReceiver

    {

        public EventHandler<BluetoothDevice> OnBluetoothDeviceDiscovered;

        public EventHandler<string> OnScanFinished;

        public override void OnReceive(Context context, Intent intent)

        {

            if (intent.Action.Equals(BluetoothDevice.ActionFound))

            {

                BluetoothDevice foundDevice = intent.GetParcelableExtra(BluetoothDevice.ExtraDevice) as BluetoothDevice;

                if (foundDevice != null)

                {

                    var btDevice = new InfoAppareil

                    {

                        AdresseMAC = foundDevice.Address,

                        Nom = foundDevice.Name

                    };

                }

                OnBluetoothDeviceDiscovered.Invoke(this, foundDevice);

            } else if (intent.Action.Equals(BluetoothAdapter.ActionDiscoveryFinished)) 

            {

                OnScanFinished.Invoke(this, "Finished");

            }

        }

    }

}