//Start searching for printers
private void StartBluetoothDiscovery()
{
IDiscoveryEventHandler bthandler = DiscoveryHandlerFactory.Current.GetInstance();
bthandler.OnDiscoveryError += DiscoverError;
bthandler.OnDiscoveryFinished += DiscoveryFinished;
bthandler.OnFoundPrinter += DiscoveryHandler_OnFoundPrinter;
IPrinterDiscovery ip = new PrinterDiscovery();
ip.FindBluetoothPrinters(bthandler, this);
BluetoothDiscoverer.Current.FindPrinters(Android.App.Application.Context, bthandler);
// DependencyService.Get<IPrinterDiscovery>().FindBluetoothPrinters(bthandler);
}
