public async Task StartAsync()
{
if (this.scanner == null)
{
var collection = await DeviceInformation.FindAllAsync(PosBarcodeScanner.GetDeviceSelector());
if (collection != null && collection.Count > 0)
{
var identity = collection.First().Id;
var device = await PosBarcodeScanner.FromIdAsync(identity);
if (device != null)
{
this.scanner = await device.ClaimScannerAsync();
if (this.scanner != null)
{
this.scanner.IsDecodeDataEnabled = true;
this.scanner.ReleaseDeviceRequested += WhenScannerReleaseDeviceRequested;
this.scanner.DataReceived += WhenScannerDataReceived;
await this.scanner.EnableAsync();
}
}
}
}
}
async public void Enable(string options)
{
PluginResult result;
if (barcodeScanner == null)
{
barcodeScanner = await Windows.Devices.PointOfService.BarcodeScanner.GetDefaultAsync();
if (claimedBarcodeScanner == null)
{
claimedBarcodeScanner = await barcodeScanner.ClaimScannerAsync();
if (claimedBarcodeScanner != null)
{
await claimedBarcodeScanner.EnableAsync();
claimedBarcodeScanner.DataReceived += DataReceived;
result = new PluginResult(PluginResult.Status.NO_RESULT);
result.KeepCallback = true;
}
else
{
result = new PluginResult(PluginResult.Status.ERROR, "Barcode Scanner could not get claimed");
}
}
else
{
result = new PluginResult(PluginResult.Status.ERROR, "Claimed Barcode Scanner Object already there");
}
}
else
{
result = new PluginResult(PluginResult.Status.ERROR, "Barcode Scanner Object already there");
}
DispatchCommandResult(result);
}
async public void Enable(string options)
{
PluginResult result;
if (barcodeScanner == null)
{
barcodeScanner = await Windows.Devices.PointOfService.BarcodeScanner.GetDefaultAsync();
if (claimedBarcodeScanner == null)
{
claimedBarcodeScanner = await barcodeScanner.ClaimScannerAsync();
if (claimedBarcodeScanner != null)
{
await claimedBarcodeScanner.EnableAsync();
claimedBarcodeScanner.DataReceived += DataReceived;
result = new PluginResult(PluginResult.Status.NO_RESULT);
result.KeepCallback = true;
}
else
{
result = new PluginResult(PluginResult.Status.ERROR, "Barcode Scanner could not get claimed");
}
}
else
{
result = new PluginResult(PluginResult.Status.ERROR, "Claimed Barcode Scanner Object already there");
}
}
else
{
result = new PluginResult(PluginResult.Status.ERROR, "Barcode Scanner Object already there");
}
DispatchCommandResult(result);
}