C# 蓝牙扫描仪Xamarin Android

我希望我的应用程序能够读取扫描设备的特征。我可以扫描设备，但扫描会继续接收它发现的任何东西。所以我也想要一个过滤器。我的代码下方附有我的结果图片

这是我的密码

using Robotics.Mobile.Core.Bluetooth.LE;
using Adapter = Robotics.Mobile.Core.Bluetooth.LE.Adapter;

var appContext = Application.Context;
            _manager = (BluetoothManager)appContext.GetSystemService(BluetoothService); // ("bluetooth");
            _adapter = _manager.Adapter;

            _bleAdapter = new Adapter();
            _bleAdapter.DeviceDiscovered += _bleAdapter_DeviceDiscovered;
            _bleAdapter.ScanTimeoutElapsed += _bleAdapter_ScanTimeoutElapsed;
        }

        private void _bleAdapter_ScanTimeoutElapsed(object sender, EventArgs e)
        {
            _bleAdapter.StopScanningForDevices();
            DisplayInformation("Bluetooth scan timeout elapsed, no ble devices were found");
        }

        private void _bleAdapter_DeviceDiscovered(object sender, DeviceDiscoveredEventArgs e)
        {
            var msg = string.Format(@"Device found: {0}
  {1} - {2}", e.Device.Name, e.Device.ID, e.Device.Rssi);
            DisplayInformation(msg);
        }

        private void ButtonScanBleClick(object sender, EventArgs e)
        {
            if (!_bleAdapter.IsScanning)
                _bleAdapter.StartScanningForDevices();
        }

        private void DisplayInformation(string line)
        {
            _textboxResults.Text = $"{line}\r\n{_textboxResults.Text}";
            Console.WriteLine(line);
        }

---

我的输出结果的图片

如果我理解得很好，您需要对找到的设备进行一些筛选。 您必须编写一个蓝牙扫描仪回调，然后执行如下操作：

在回调中：

public void OnLeScan(BluetoothDevice device, int rssi, byte[] scanRecord)
        {
            if (device.Name != null)
            {
                EventScanDevice(device, rssi);                
            }
        }

List<string> scanList;

private void Scanner_EventScanDevice(BluetoothDevice device, int rssi)
{
 if (!scanList.Contains(device.Name))
 {
      scanList.Add(device.Name + ", RSSI = " + rssi.ToString());
              
 }
}

在主活动中：

public void OnLeScan(BluetoothDevice device, int rssi, byte[] scanRecord)
        {
            if (device.Name != null)
            {
                EventScanDevice(device, rssi);                
            }
        }

List<string> scanList;

private void Scanner_EventScanDevice(BluetoothDevice device, int rssi)
{
 if (!scanList.Contains(device.Name))
 {
      scanList.Add(device.Name + ", RSSI = " + rssi.ToString());
              
 }
}

列表扫描列表；
专用无效扫描程序\u EventsScandevice（蓝牙设备，int rssi）
{
如果（！scanList.Contains（device.Name））
{
添加（device.Name+”，RSSI=“+RSSI.ToString（））；
}
}