/// <summary>
/// Opens the selected scanner device.
/// </summary>
async void OpenBarcodeReader()
{
myLog.doLog("OpenBarcodeReader...");
if (mBarcodeReader == null)
{
myLog.doLog("mOpenReader...");
mBarcodeReader = new BarcodeReader(DCS_Imager);
if (!mBarcodeReader.IsReaderOpened)
{
myLog.doLog("IsReaderOpened...");
BarcodeReader.Result result = await mBarcodeReader.OpenAsync();
mBarcodeReader.BarcodeDataReady += new EventHandler <BarcodeDataArgs>(MBarcodeReader_BarcodeDataReady);
// Check to see is reader opened or is already open
if (result.Code == BarcodeReader.Result.Codes.SUCCESS ||
result.Code == BarcodeReader.Result.Codes.READER_ALREADY_OPENED)
{
ScanCount = 0;
}
else
{
myLog.doLog("Error", "OpenAsync failed, Code:" + result.Code + " Message:" + result.Message);
}
}
}
}
public async Task OpenBarcodeReader()
{
mSelectedReader = GetBarcodeReader(_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
{
await DisplayAlert("Error", "OpenAsync failed, Code:" + result.Code +
" Message:" + result.Message, "OK");
}
}
}
/// <summary>
/// Opens the selected scanner device.
/// </summary>
public static async void OpenBarcodeReader(BarcodeReader barcodeReader)
{
if (!barcodeReader.IsReaderOpened)
{
BarcodeReader.Result result = await barcodeReader.OpenAsync();
// Check to see is reader opened or is already open
if (result.Code == BarcodeReader.Result.Codes.SUCCESS ||
result.Code == BarcodeReader.Result.Codes.READER_ALREADY_OPENED)
{
SetScannerAndSymbologySettings(barcodeReader, Application.Context);
}
else
{
DisplayAlert("Error", "OpenAsync failed, Code:" + result.Code +
" Message:" + result.Message, Application.Context);
}
}
}
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);
}
}
}
public async void OpenScanner(BarcodeReader mSelectedReader)
{
try
{
Debug.WriteLine("DataSetting: " + mSelectedReader.SettingKeys.DataProcessorLaunchBrowser);
BarcodeReader.Result result = await mSelectedReader.OpenAsync();
if (result.Code == BarcodeReader.Result.Codes.SUCCESS ||
result.Code == BarcodeReader.Result.Codes.READER_ALREADY_OPENED)
{
Debug.WriteLine("Scanner oppened");
SetScannerAndSymbologySettings(mSelectedReader);
}
}
catch (Exception e)
{
Debug.WriteLine("Error en el metodo openscanner");
Analytics.TrackEvent("Error al abrir el scanner: " + e.Message + "\n Escaner: " + Preferences.Get("LECTOR", "N/A"));
throw;
}
}
/// <summary>
/// Opens the barcode reader. This method should be called from the
/// main UI thread because it also updates the button states.
/// </summary>
public async void OpenBarcodeReader()
{
if (mOpenReader) // Open Reader switch is in the On state.
{
mSelectedReader = GetBarcodeReader(GetSelectedReaderName());
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();
// Prevent user from selecting another reader.
mReaderPicker.IsEnabled = false;
// Turn on the Enable Scanning switch.
mEnableScanningSwitch.IsToggled = true;
// Enable the Enable Scanning switch.
mEnableScanningLabel.IsEnabled = true;
mEnableScanningSwitch.IsEnabled = true;
// Clear barcode data information
mScanDataEditor.Text = "";
mSymbologyLabel.Text = "";
mTimestampLabel.Text = "";
}
else
{
await DisplayAlert("Error", "OpenAsync failed, Code:" + result.Code +
" Message:" + result.Message, "OK");
}
}
} //endif (mOpenReader)
}
private async Task OpenReaderAsync()
{
BarcodeReader.Result openResult = await _barcodeReader.OpenAsync();
}