private void FindBTPrinter()
{
string printername = apara.PrinterName.Trim().ToUpper();
try{
mBluetoothAdapter = BluetoothAdapter.DefaultAdapter;
if (mBluetoothAdapter == null)
{
msg = callingActivity.Resources.GetString(Resource.String.msg_bluetoothnofound);
return;
}
string txt = "";
if (!mBluetoothAdapter.Enable())
{
Intent enableBluetooth = new Intent(
BluetoothAdapter.ActionRequestEnable);
StartActivityForResult(enableBluetooth, 0);
}
var pair = mBluetoothAdapter.BondedDevices;
if (pair.Count > 0)
{
foreach (BluetoothDevice dev in pair)
{
Console.WriteLine(dev.Name);
txt = txt + "," + dev.Name;
if (dev.Name.ToUpper() == printername)
{
mmDevice = dev;
// File.WriteAllText(addrfile,dev.Address);
break;
}
}
}
msg = callingActivity.Resources.GetString(Resource.String.msg_bluetoothfound) + mmDevice.Name;
}catch {
//txtv.Text = ex.Message;
mmDevice = null;
msg = callingActivity.Resources.GetString(Resource.String.msg_bluetoothnofound);
//AlertShow(ex.Message);
}finally {
if (mBluetoothAdapter != null)
{
if (mBluetoothAdapter.IsDiscovering)
{
mBluetoothAdapter.CancelDiscovery();
Thread.Sleep(300);
}
mBluetoothAdapter.Dispose();
mBluetoothAdapter = null;
}
}
}
public async Task CloseOutputStream()
{
Thread.Sleep(1000);
await socket.OutputStream.FlushAsync();
//fecha
socket.OutputStream.Close();
socket.Close();
socket.Dispose();
socket = null;
btAdapter.Dispose();
//aguarda 2s
Thread.Sleep(1000);
}
private void TryToConnect()
{
System.Threading.ThreadPool.QueueUserWorkItem(o => {
BluetoothAdapter bluetoothAdapter = BluetoothAdapter.DefaultAdapter;
SetStatusText("acquiring adapter...");
if (bluetoothAdapter == null)
{
SetStatusText("No Bluetooth Adapter found.");
return;
}
else if (!bluetoothAdapter.IsEnabled)
{
SetStatusText("BlueTooth Adapter disabled.");
return;
}
SetStatusText("finding Shelly's Garage");
var device = bluetoothAdapter.BondedDevices.FirstOrDefault(x => x.Name == "Shelly'sGarage");
if (device == null)
{
SetStatusText("You ain't paired with Shelly's Garage.");
return;
}
SetStatusText("connecting...");
socket = device.CreateRfcommSocketToServiceRecord(Java.Util.UUID.FromString("00001101-0000-1000-8000-00805f9b34fb"));
try {
socket.Connect();
bluetoothAdapter.Dispose();
SetStatusText("Connected to Shelly's Garage");
RunOnUiThread(() => {
connectorButton.Text = "Disconnect";
});
} catch { //Exception ex) {
SetStatusText("Connection failt.");
}
});
}
