public override void OnReceive(Context context, Intent intent)
{
string action = intent.Action;
// When discovery finds a device
if (action == BluetoothDevice.ActionFound)
{
// Get the BluetoothDevice object from the Intent
BluetoothDevice device = (BluetoothDevice)intent.GetParcelableExtra(BluetoothDevice.ExtraDevice);
// If it's already paired, skip it, because it's been listed already
if (device.BondState != Bond.Bonded)
{
DeviceBLE item = new DeviceBLE
{
Name = device.Name,
Address = device.Address
};
_newDevices.Add(item);
}
}
else if (action == BluetoothAdapter.ActionDiscoveryFinished)
{
_tcScan.TrySetResult(_newDevices);
}
}
public async Task <bool> ConnectAsync(DeviceBLE info)
{
var device = _btAdapter.GetRemoteDevice(info.Address);
// Connect as a Client
try
{
_clientSocket = device.CreateRfcommSocketToServiceRecord(MY_UUID_SECURE);
await _clientSocket.ConnectAsync();
}
catch (System.Exception ex)
{
try
{
// https://stackoverflow.com/questions/18657427/ioexception-read-failed-socket-might-closed-bluetooth-on-android-4-3/25647197#25647197
_clientSocket = (BluetoothSocket)device.Class.GetMethod("createRfcommSocket", Integer.Type).Invoke(device, 1);
await _clientSocket.ConnectAsync();
}
catch (System.Exception ex2)
{
}
}
//try
//{
// // Connect as a Server
// _serverSocket = _btAdapter.ListenUsingRfcommWithServiceRecord(NAME_SECURE, MY_UUID_SECURE);
// BluetoothSocket socket = null;
// // Listener
// while (true)
// {
// try
// {
// socket = _serverSocket.Accept();
// }
// catch (Java.IO.IOException e)
// {
// break;
// }
// if (socket != null)
// {
// lock (this)
// {
// try
// {
// socket.Close();
// }
// catch (Java.IO.IOException e)
// {
// }
// break;
// }
// }
// }
//}
//catch (System.Exception ex)
//{
//}
_inStream = _clientSocket.InputStream;
return(true);
}
private void ItemTappedHandle(DeviceBLE device)
{
HandleSelectedDevice(device);
}
public Task <bool> Disconnect(DeviceBLE device)
{
_clientSocket?.Close();
_serverSocket?.Close();
return(Task.FromResult(true));
}
private void HandleSelectedDevice(DeviceBLE device)
{
}
