private async void PopulateReaderPicker()
{
try
{
// Queries the list of readers that are connected to the mobile computer.
IList <BarcodeReaderInfo> readerList = await BarcodeReader.GetConnectedBarcodeReaders();
if (readerList.Count > 0)
{
foreach (BarcodeReaderInfo reader in readerList)
{
mReaderPicker.Items.Add(reader.ScannerName);
}
}
else
{
mReaderPicker.Items.Add(DEFAULT_READER_KEY);
}
}
catch (Exception ex)
{
mReaderPicker.Items.Add(DEFAULT_READER_KEY);
await DisplayAlert("Error", "Failed to query connected readers, " + ex.Message, "OK");
}
mReaderPicker.SelectedIndex = 0;
}
private async void PopulateReaderPicker()
{
try
{
// Queries the list of readers that are connected to the mobile computer.
IList <BarcodeReaderInfo> readerList = await BarcodeReader.GetConnectedBarcodeReaders();
if (readerList.Count > 0)
{
foreach (BarcodeReaderInfo reader in readerList)
{
_scannerName = reader.ScannerName;
break;
}
}
else
{
_scannerName = "";
}
}
catch (Exception ex)
{
await DisplayAlert("Error", "Failed to query connected readers, " + ex.Message, "OK");
}
}
/// <summary>
/// Reades the device list for scanner devices
/// </summary>
/// <returns></returns>
public static async Task <List <string> > PopulateReaderPicker()
{
IList <BarcodeReaderInfo> readerList = null;
List <string> readerNames = new List <string>();
try
{
readerList = await BarcodeReader.GetConnectedBarcodeReaders(AppContext);
if (readerList.Count > 0)
{
foreach (BarcodeReaderInfo reader in readerList)
{
readerNames.Add(reader.ScannerName);
}
}
else
{
readerNames.Add(DEFAULT_READER_KEY);
}
return(readerNames);
}
catch (Exception ex)
{
readerNames.Add(DEFAULT_READER_KEY);
DisplayAlert("Error", "Failed to query connected readers, " + ex.Message);
return(readerNames);
}
}
public async void GetScanner(bool bOpenClose)
{
try
{
IList <BarcodeReaderInfo> readerList = await BarcodeReader.GetConnectedBarcodeReaders();
foreach (BarcodeReaderInfo reader in readerList)
{
Debug.WriteLine("SCANNER FOUND: " + reader.ScannerName.ToString());
}
if (readerList.Count > 0)
{
if (bOpenClose)
{
OpenScanner(GetBarcodeReader(readerList[0].ScannerName));
Debug.WriteLine("GOT SCANNER");
}
else
{
CloseScanner(GetBarcodeReader(readerList[0].ScannerName));
Debug.WriteLine("CLOSED SCANNER: " + readerList[0].ScannerName);
}
}
else
{
OpenScanner(GetBarcodeReader("default"));
Debug.WriteLine("NO SCANNER");
}
}
catch (Exception e)
{
Analytics.TrackEvent("Error al encontrar escaner " + e.Message + "\n Escaner: " + Preferences.Get("LECTOR", "N/A"));
throw;
}
}
private async Task GetReaderAsync()
{
IList <BarcodeReaderInfo> readerInfoList = await BarcodeReader.GetConnectedBarcodeReaders();
var readerName = readerInfoList.FirstOrDefault().ScannerName;
_barcodeReader = new BarcodeReader(readerName);
_barcodeReader.BarcodeDataReady += _barcodeReader_BarcodeDataReady;
}
public async void OpenBarcodeReader()
{
mBarcodeReaders = new Dictionary <string, BarcodeReader>();
readerList = await BarcodeReader.GetConnectedBarcodeReaders();
mSelectedReader = GetBarcodeReader(readerList.First().ScannerName);
if (!mSelectedReader.IsReaderOpened)
{
BarcodeReader.Result result = await mSelectedReader.OpenAsync();
if (result.Code == BarcodeReader.Result.Codes.SUCCESS || result.Code == BarcodeReader.Result.Codes.READER_ALREADY_OPENED)
{
SetScannerAndSymbologySettings();
}
else
{
MessagingCenter.Send <App, string>((App)Xamarin.Forms.Application.Current, "exception", "ScannerInit/OpenBarcodeReader: Code:" + result.Code + " Message:" + result.Message);
}
}
}
