private async void ClaimedScanner_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
lock (SyncRootProvider.SyncRoot)
{
if (IsRunning)
{
return;
}
IsRunning = true;
}
string BarcodeType = BarcodeSymbologies.GetName(args.Report.ScanDataType).ToUpper();
string BarcodeLabel = GetDataLabel(args);
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
ContentDialog dialog = new ContentDialog
{
Content = BarcodeLabel,
Title = BarcodeType + "标签内容",
CloseButtonText = "确定",
Background = Application.Current.Resources["DialogAcrylicBrush"] as Brush
};
await dialog.ShowAsync();
BarcodeHistory.Add(new BarcodeItem(BarcodeType, BarcodeLabel));
IsRunning = false;
});
}
/// <summary>
/// This is an event handler for the claimed scanner Instance 1 when it scans and recieves data
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private async void claimedBarcodeScannerInstance1_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
// Grab the data from the IBuffers
string scanData = String.Empty;
string scanDataLabel = String.Empty;
if (args.Report.ScanData != null)
{
scanData = GetDataString(args.Report.ScanData);
}
if (args.Report.ScanDataLabel != null)
{
scanDataLabel = GetDataLabelString(args.Report.ScanDataLabel, args.Report.ScanDataType);
}
await MainPage.Current.Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
ScanDataType1.Text = String.Format("{0}", BarcodeSymbologies.GetName(args.Report.ScanDataType));
// DataLabel
DataLabel1.Text = String.Format("{0}", scanDataLabel);
// Data
ScanData1.Text = String.Format("{0}", scanData);
UpdateOutput("Instance1 Data Received from Barcode Scanner.");
}
);
}
/// <summary>
/// This is an event handler for the claimed scanner Instance 2 when it scans and recieves data
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private async void claimedBarcodeScannerInstance2_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
// Grab the data from the IBuffers
string scanData = String.Empty;
string scanDataLabel = String.Empty;
if (args.Report.ScanData != null)
{
scanData = GetDataString(args.Report.ScanData);
}
if (args.Report.ScanDataLabel != null)
{
scanDataLabel = GetDataLabelString(args.Report.ScanDataLabel, args.Report.ScanDataType);
}
await MainPage.Current.Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
// Symbology
ScanDataType2.Text = String.Format("{0}", BarcodeSymbologies.GetName(args.Report.ScanDataType));
// DataLabel
DataLabel2.Text = String.Format("{0}", scanDataLabel);
// Data
ScanData2.Text = String.Format("{0}", scanData);
rootPage.NotifyUser("Instance 2 received data from the barcode scanner.", NotifyType.StatusMessage);
}
);
}
void claimedBarcodeScanner_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
string symbologyName = BarcodeSymbologies.GetName(args.Report.ScanDataType);
var scanDataLabelReader = DataReader.FromBuffer(args.Report.ScanDataLabel);
string barcode = scanDataLabelReader.ReadString(args.Report.ScanDataLabel.Length);
scannerData.TryAddBarcode(barcode);
}
private void ClaimedBarcode_DataRecieved(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
string symbologyName = BarcodeSymbologies.GetName(args.Report.ScanDataType);
var scanDataLabelReader = DataReader.FromBuffer(args.Report.ScanDataLabel);
string barcode = scanDataLabelReader.ReadString(args.Report.ScanDataLabel.Length);
ScanningData = barcode;
}
/// <summary>
/// Scan data was received from the selected scanner.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private async void ClaimedScanner_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
ScenarioOutputScanDataLabel.Text = DataHelpers.GetDataLabelString(args.Report.ScanDataLabel, args.Report.ScanDataType);
ScenarioOutputScanData.Text = DataHelpers.GetDataString(args.Report.ScanData);
ScenarioOutputScanDataType.Text = BarcodeSymbologies.GetName(args.Report.ScanDataType);
});
}
/// <summary>
/// Each time a barcode is read this routing gets the type of barcode read and the barcode data.
/// It then calls the GUI update method.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void _ClaimedBarcodeScanner_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
Class1.doLog("_ClaimedBarcodeScanner_DataReceived: " + args.Report.ScanData.ToString());
string label;
UInt32 symCode = args.Report.ScanDataType; // the symbology of the scanned data
using (var datareader = Windows.Storage.Streams.DataReader.FromBuffer(args.Report.ScanDataLabel))
{
label = datareader.ReadString(args.Report.ScanDataLabel.Length);
}
UpdateUI_scandata(BarcodeSymbologies.GetName(symCode), label);
}
/// <summary>
/// Event handler for the DataReceived event fired when a barcode is scanned by the barcode scanner
/// </summary>
/// <param name="sender"></param>
/// <param name="args"> Contains the BarcodeScannerReport which contains the data obtained in the scan</param>
async void claimedScanner_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
// need to update the UI data on the dispatcher thread.
// update the UI with the data received from the scan.
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
// read the data from the buffer and convert to string.
ScenarioOutputScanDataLabel.Text = DataHelpers.GetDataLabelString(args.Report.ScanDataLabel, args.Report.ScanDataType);
ScenarioOutputScanData.Text = DataHelpers.GetDataString(args.Report.ScanData);
ScenarioOutputScanDataType.Text = BarcodeSymbologies.GetName(args.Report.ScanDataType);
});
}
/// <summary>
/// This is an event handler for the claimed scanner Instance 2 when it scans and recieves data
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private async void claimedBarcodeScannerInstance2_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
await MainPage.Current.Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
ScanDataType2.Text = BarcodeSymbologies.GetName(args.Report.ScanDataType);
DataLabel2.Text = DataHelpers.GetDataLabelString(args.Report.ScanDataLabel, args.Report.ScanDataType);
ScanData2.Text = DataHelpers.GetDataString(args.Report.ScanData);
rootPage.NotifyUser("Instance 2 received data from the barcode scanner.", NotifyType.StatusMessage);
}
);
}
//</SnippetReleaseDeviceRequested>
/// <summary>
/// Event handler for the DataReceived event fired when a barcode is scanned by the barcode scanner
/// </summary>
/// <param name="sender"></param>
/// <param name="args"> Contains the BarcodeScannerReport which contains the data obtained in the scan</param>
//<SnippetDataReceived>
async void claimedScanner_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
// update the UI with the data received from the scan.
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
// read the data from the buffer and convert to string.
var scanDataLabelReader = DataReader.FromBuffer(args.Report.ScanDataLabel);
ScenarioOutputScanDataLabel.Text = scanDataLabelReader.ReadString(args.Report.ScanDataLabel.Length);
var scanDataReader = DataReader.FromBuffer(args.Report.ScanData);
ScenarioOutputScanData.Text = scanDataReader.ReadString(args.Report.ScanData.Length);
ScenarioOutputScanDataType.Text = BarcodeSymbologies.GetName(args.Report.ScanDataType);
});
}
string GetDataLabelString(IBuffer data, uint scanDataType)
{
string result = null;
// Only certain data types contain encoded text.
// To keep this simple, we'll just decode a few of them.
if (data == null)
{
result = "No data";
}
else
{
switch (BarcodeSymbologies.GetName(scanDataType))
{
case "Upca":
case "UpcaAdd2":
case "UpcaAdd5":
case "Upce":
case "UpceAdd2":
case "UpceAdd5":
case "Ean8":
case "TfStd":
// The UPC, EAN8, and 2 of 5 families encode the digits 0..9
// which are then sent to the app in a UTF8 string (like "01234")
// This is not an exhaustive list of symbologies that can be converted to a string
DataReader reader = DataReader.FromBuffer(data);
result = reader.ReadString(data.Length);
break;
default:
// Some other symbologies (typically 2-D symbologies) contain binary data that
// should not be converted to text.
result = string.Format("Decoded data unavailable. Raw label data: {0}", GetDataString(data));
break;
}
}
return(result);
}
string GetDataLabelString(IBuffer data, uint scanDataType)
{
string result = null;
// Only certain data types contain encoded text.
// To keep this simple, we'll just decode a few of them.
if (data == null)
{
result = "No data";
}
else
{
switch (BarcodeSymbologies.GetName(scanDataType))
{
case "Upca":
case "UpcaAdd2":
case "UpcaAdd5":
case "Upce":
case "UpceAdd2":
case "UpceAdd5":
case "Ean8":
case "Ean13":
// The UPC, EAN8, EAN13, and 2 of 5 families encode the digits 0..9
// which are then sent to the app in a UTF8 string (like "01234")
// This is not an exhaustive list of symbologies that can be converted to a string
case "Qr":
// Need to distinguish the scan data among Numeric, Alphanumeric, Binary/Byte, and Kanji/Kana.
// But as current barcode scanner could not distinguish the data is in Binary/Byte format or in rest 3 formats.
// So to read the decoded data as string.
result = string.Format("{0}", System.Text.Encoding.UTF8.GetString(data.ToArray()));
break;
default:
// Some other unsupport symbologies and just leave it as binary data
//result = string.Format("Decoded data unavailable. Raw label data: {0}", GetDataString(data));
break;
}
}
return(result);
}
string GetDataLabelString(IBuffer data, uint scanDataType)
{
string result = null;
if (data == null)
{
result = string.Empty;
}
else
{
switch (BarcodeSymbologies.GetName(scanDataType))
{
case "Upca":
case "UpcaAdd2":
case "UpcaAdd5":
case "Upce":
case "UpceAdd2":
case "UpceAdd5":
case "Ean8":
case "Ean13":
case "TfStd":
case "Code39":
case "Code128":
case "Qr":
// The UPC, EAN8, and 2 of 5 families encode the digits 0..9
// which are then sent to the app in a UTF8 string (like "01234")
DataReader reader = DataReader.FromBuffer(data);
result = reader.ReadString(data.Length);
break;
default:
// Some other symbologies (typically 2-D symbologies) contain binary data that
// should not be converted to text.
result = string.Format("Decoded data unavailable. Raw label data: {0}", GetDataString(data));
break;
}
}
return(result);
}
async private void ClamedScanner_DataReceived(ClaimedBarcodeScanner sender, BarcodeScannerDataReceivedEventArgs args)
{
UInt32 symbology;
string label;
string data;
symbology = args.Report.ScanDataType;
using (var datareader = Windows.Storage.Streams.DataReader.FromBuffer(args.Report.ScanDataLabel))
{
label = datareader.ReadString(args.Report.ScanDataLabel.Length);
}
using (var datareader = Windows.Storage.Streams.DataReader.FromBuffer(args.Report.ScanData))
{
data = datareader.ReadString(args.Report.ScanData.Length);
}
await this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
textBoxSymbology.Text = BarcodeSymbologies.GetName(symbology); //Send the data to the UI through the dispatcher. tbData is a textbox in the UI
textBoxData.Text = label; //Send the data to the UI through the dispatcher. tbLabel is a textbox in the UI
});
}