internal async Task <bool> ObtainBtDevice()
{
if (BtDevice != null)
{
return(true);
}
try
{
BtDevice = await BluetoothDevice.FromIdAsync(BtID);
}
catch (Exception)
{
if (BtDevice != null)
{
BtDevice.Dispose();
}
BtDevice = null;
}
if (BtDevice == null)
{
return(false);
}
BtDevice.ConnectionStatusChanged += ConnectionStatusChanged;
BtDevice.NameChanged += NameChanged;
BtDevice.SdpRecordsChanged += ServiceChanged;
if (BtDevice.ConnectionStatus == BluetoothConnectionStatus.Connected)
{
BtConnectionStateChangedObservers?.Invoke(this, BtDevice, BtDevice.ConnectionStatus);
}
return(true);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// Bluetooth Event Handlers
private void ConnectionStatusChanged(BluetoothDevice sender, object args)
{
Log($"BtConnectionStatusChanged({sender.Name}, {sender.ConnectionStatus})");
BtConnectionStateChangedObservers?.Invoke(this, sender, sender.ConnectionStatus);
}