private ScannerModel()
{
this.CurrentCamera?.ApplySettingsAsync(this.CameraSettings);
// Create data capture context using your license key and set the camera as the frame source.
this.DataCaptureContext = DataCaptureContext.ForLicenseKey(SCANDIT_LICENSE_KEY);
this.DataCaptureContext.SetFrameSourceAsync(this.CurrentCamera);
// The barcode capturing process is configured through barcode capture settings
// which are then applied to the barcode capture instance that manages barcode recognition.
this.BarcodeCaptureSettings = BarcodeCaptureSettings.Create();
// The settings instance initially has all types of barcodes (symbologies) disabled.
// For the purpose of this sample we enable a very generous set of symbologies.
// In your own app ensure that you only enable the symbologies that your app requires as
// every additional enabled symbology has an impact on processing times.
HashSet <Symbology> symbologies = new HashSet <Symbology>
{
Symbology.Ean13Upca,
Symbology.Ean8,
Symbology.Upce,
Symbology.Qr,
Symbology.DataMatrix,
Symbology.Code39,
Symbology.Code128,
Symbology.InterleavedTwoOfFive
};
this.BarcodeCaptureSettings.EnableSymbologies(symbologies);
this.BarcodeCapture = BarcodeCapture.Create(this.DataCaptureContext, this.BarcodeCaptureSettings);
}
private SettingsManager()
{
this.CurrentCamera?.ApplySettingsAsync(this.CameraSettings);
// The barcode capturing process is configured through barcode capture settings
// which are then applied to the barcode capture instance that manages barcode recognition.
this.BarcodeCaptureSettings = BarcodeCaptureSettings.Create();
// Create data capture context using your license key and set the camera as the frame source.
this.DataCaptureContext = DataCaptureContext.ForLicenseKey(SCANDIT_LICENSE_KEY);
this.DataCaptureContext.SetFrameSourceAsync(this.CurrentCamera);
// Create new barcode capture mode with the settings from above.
this.BarcodeCapture = BarcodeCapture.Create(this.DataCaptureContext, this.BarcodeCaptureSettings);
this.BarcodeCapture.Enabled = true;
// Create a new overlay with the barcode capture from above, and retrieve the default brush.
this.BarcodeCaptureOverlay = BarcodeCaptureOverlay.Create(this.BarcodeCapture, null);
// Create a temporary RectangularViewfinder instance to get default values for width and height.
using RectangularViewfinder tempRectangularViewfinder = RectangularViewfinder.Create();
this.RectangularViewfinderWidth = tempRectangularViewfinder.SizeWithUnitAndAspect.WidthAndHeight.Width;
this.RectangularViewfinderHeight = tempRectangularViewfinder.SizeWithUnitAndAspect.WidthAndHeight.Height;
// Create a temporary SpotlightViewfinder instance to get default values for width and height.
using SpotlightViewfinder tempSpotlightViewfinder = SpotlightViewfinder.Create();
this.SpotlightViewfinderWidth = tempSpotlightViewfinder.SizeWithUnitAndAspect.WidthAndHeight.Width;
this.SpotlightViewfinderHeight = tempSpotlightViewfinder.SizeWithUnitAndAspect.WidthAndHeight.Height;
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
if (!SettingsManager.Instance.ContinuousModeEnabled)
{
// Stop recognizing barcodes for as long as we are
// displaying the result. There won't be any new results until
// the capture mode is enabled again.
// Note that disabling the capture mode does not stop
// the camera, the camera continues to stream frames
// until it is turned off.
this.BarcodeCapture.Enabled = false;
}
this.ShowResult(session.NewlyRecognizedBarcodes, () =>
{
if (!SettingsManager.Instance.ContinuousModeEnabled)
{
// Enable recognizing barcodes when the result
// is not shown anymore.
this.BarcodeCapture.Enabled = true;
}
});
frameData.Dispose();
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
if (!session.NewlyRecognizedBarcodes.Any())
{
return;
}
Barcode barcode = session.NewlyRecognizedBarcodes[0];
// Stop recognizing barcodes for as long as we are displaying the result. There won't be any new results until
// the capture mode is enabled again. Note that disabling the capture mode does not stop the camera, the camera
// continues to stream frames until it is turned off.
barcodeCapture.Enabled = false;
// If you are not disabling barcode capture here and want to continue scanning, consider
// setting the codeDuplicateFilter when creating the barcode capture settings to around 500
// or even -1 if you do not want codes to be scanned more than once.
// Get the human readable name of the symbology and assemble the result to be shown.
SymbologyDescription description = new SymbologyDescription(barcode.Symbology);
string result = "Scanned: " + barcode.Data + " (" + description.ReadableName + ")";
if (MessageService == null)
{
MessageService = DependencyService.Get <IMessageService>();
}
MessageService.ShowAsync(result, () => barcodeCapture.Enabled = true);
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
var barcode = session?.NewlyRecognizedBarcodes.FirstOrDefault();
if (barcode == null || string.IsNullOrEmpty(barcode.Data))
{
return;
}
// Stop recognizing barcodes for as long as we are displaying the result. There won't be any new
// results until the capture mode is enabled again. Note that disabling the capture mode does
// not stop the camera, the camera continues to stream frames until it is turned off.
this.barcodeCapture.Enabled = false;
// If you are not disabling barcode capture here and want to continue scanning, consider
// setting the codeDuplicateFilter when creating the barcode capture settings to around 500
// or even -1 if you do not want codes to be scanned more than once.
// Get the human readable name of the symbology and assemble the result to be shown.
string symbology = SymbologyDescription.Create(barcode.Symbology).ReadableName;
string result = string.Format("Scanned {0} ({1})", barcode.Data, symbology);
this.ShowResult(result);
// Dispose the frame when you have finished processing it. If the frame is not properly disposed,
// different issues could arise, e.g. a frozen, non-responsive, or "severely stuttering" video feed.
frameData.Dispose();
}
private void InitializeAndStartBarcodeScanning()
{
// Create data capture context using your license key.
this.dataCaptureContext = DataCaptureContext.ForLicenseKey(SCANDIT_LICENSE_KEY);
// Use the default camera with the recommended camera settings for the BarcodeCapture mode
// and set it as the frame source of the context. The camera is off by default and must be
// turned on to start streaming frames to the data capture context for recognition.
// See resumeFrameSource and pauseFrameSource below.
this.camera = Camera.GetDefaultCamera();
if (this.camera == null)
{
throw new NullReferenceException(
"Sample depends on a camera, which failed to initialize.");
}
// Use the settings recommended by barcode capture.
this.dataCaptureContext.SetFrameSourceAsync(this.camera);
// The settings instance initially has all types of barcodes (symbologies) disabled. For the purpose of this
// sample we enable the QR symbology. In your own app ensure that you only enable the symbologies that your app
// requires as every additional enabled symbology has an impact on processing times.
var barcodeCaptureSettings = BarcodeCaptureSettings.Create();
barcodeCaptureSettings.EnableSymbology(Symbology.Qr, true);
// Create new barcode capture mode with the settings from above.
barcodeCapture = BarcodeCapture.Create(dataCaptureContext, barcodeCaptureSettings);
// By default, every time a barcode is scanned, a sound (if not in silent mode) and a
// vibration are played. In the following we are setting a success feedback without sound
// and vibration.
barcodeCapture.Feedback.Success = new Feedback();
// Register self as a listener to get informed whenever a new barcode got recognized.
barcodeCapture.AddListener(this);
// To visualize the on-going barcode capturing process on screen, setup a data capture view
// that renders the camera preview. The view must be connected to the data capture context.
this.dataCaptureView = DataCaptureView.Create(this, this.dataCaptureContext);
// Add a barcode capture overlay to the data capture view to render the location of captured
// barcodes on top of the video preview.
// This is optional, but recommended for better visual feedback.
overlay = BarcodeCaptureOverlay.Create(this.barcodeCapture, this.dataCaptureView);
// Add a square viewfinder as we are only scanning square QR codes.
overlay.Viewfinder = RectangularViewfinder.Create(RectangularViewfinderStyle.Square, RectangularViewfinderLineStyle.Light);
// Adjust the overlay's barcode highlighting to match the new viewfinder styles and improve the visibility of feedback.
// With 6.10 we will introduce this visual treatment as a new style for the overlay.
this.highlightingBrush = new Brush(fillColor: Android.Graphics.Color.Transparent,
strokeColor: Android.Graphics.Color.White,
strokeWidth: 3);
overlay.Brush = this.highlightingBrush;
SetContentView(this.dataCaptureView);
}
protected void InitializeAndStartBarcodeScanning()
{
// Create data capture context using your license key.
this.dataCaptureContext = DataCaptureContext.ForLicenseKey(SCANDIT_LICENSE_KEY);
// Use the default camera and set it as the frame source of the context.
// The camera is off by default and must be turned on to start streaming frames to the data
// capture context for recognition.
// See resumeFrameSource and pauseFrameSource below.
this.camera = Camera.GetDefaultCamera();
if (this.camera != null)
{
// Use the settings recommended by barcode capture.
this.camera.ApplySettingsAsync(BarcodeCapture.RecommendedCameraSettings);
this.dataCaptureContext.SetFrameSourceAsync(this.camera);
}
BarcodeCaptureSettings barcodeCaptureSettings = BarcodeCaptureSettings.Create();
// The settings instance initially has all types of barcodes (symbologies) disabled.
// For the purpose of this sample we enable the QR symbology. In your own app ensure
// that you only enable the symbologies that your app requires as every additional
// enabled symbology has an impact on processing times.
barcodeCaptureSettings.EnableSymbology(Symbology.Qr, true);
// Create new barcode capture mode with the settings from above.
this.barcodeCapture = BarcodeCapture.Create(this.dataCaptureContext, barcodeCaptureSettings);
// By default, every time a barcode is scanned, a sound (if not in silent mode) and a
// vibration are played. In the following we are setting a success feedback without sound
// and vibration.
this.barcodeCapture.Feedback.Success = new Feedback(vibration: null, sound: null);
// Register self as a listener to get informed whenever a new barcode got recognized.
this.barcodeCapture.AddListener(this);
// To visualize the on-going barcode capturing process on screen, setup a data capture view
// that renders the camera preview. The view must be connected to the data capture context.
this.dataCaptureView = DataCaptureView.Create(this.dataCaptureContext, this.View.Bounds);
this.dataCaptureView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight |
UIViewAutoresizing.FlexibleWidth;
this.View.AddSubview(this.dataCaptureView);
this.overlay = BarcodeCaptureOverlay.Create(this.barcodeCapture, this.dataCaptureView);
this.overlay.Viewfinder = RectangularViewfinder.Create(RectangularViewfinderStyle.Square, RectangularViewfinderLineStyle.Light);
// Adjust the overlay's barcode highlighting to match the new viewfinder styles and improve the visibility of feedback.
// With 6.10 we will introduce this visual treatment as a new style for the overlay.
this.highlightingBrush = new Brush(fillColor: UIColor.Clear,
strokeColor: UIColor.White,
strokeWidth: 3);
overlay.Brush = this.highlightingBrush;
this.dataCaptureView.AddOverlay(this.overlay);
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
if (session.NewlyRecognizedBarcodes.Any())
{
if (!this.ContinuousScanningEnabled)
{
this.PauseScanning();
}
Barcode barcode = session.NewlyRecognizedBarcodes[0];
this.listener?.ShowDialog(barcode);
}
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
if (session.NewlyRecognizedBarcodes.Any())
{
if (!this.ContinuousScanningEnabled)
{
this.PauseScanning();
}
Barcode barcode = session.NewlyRecognizedBarcodes[0];
using SymbologyDescription description = SymbologyDescription.Create(barcode.Symbology);
this.listener?.ShowDialog(description.ReadableName, barcode.Data, barcode.SymbolCount);
}
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
if (session.NewlyRecognizedBarcodes.Count == 0)
{
return;
}
var barcode = session.NewlyRecognizedBarcodes[0];
// If the code scanned doesn't start with "09:", we will just ignore it and continue
// scanning.
if (barcode.Data?.StartsWith("09:") == false)
{
// We temporarily change the brush, used to highlight recognized barcodes, to a
// transparent brush.
this.overlay.Brush = Brush.TransparentBrush;
return;
}
// If the code is recognized, we want to make sure to use a brush to highlight
// the code.
this.overlay.Brush = this.highlightingBrush;
// We also want to emit a feedback (vibration and, if enabled, sound).
this.feedback.Emit();
// Stop recognizing barcodes for as long as we are displaying the result. There won't be any new
// results until the capture mode is enabled again. Note that disabling the capture mode does
// not stop the camera, the camera continues to stream frames until it is turned off.
this.barcodeCapture.Enabled = false;
// If you are not disabling barcode capture here and want to continue scanning, consider
// setting the codeDuplicateFilter when creating the barcode capture settings to around 500
// or even -1 if you do not want codes to be scanned more than once.
// Get the human readable name of the symbology and assemble the result to be shown.
string symbology = SymbologyDescription.Create(barcode.Symbology).ReadableName;
string result = string.Format("Scanned {0} ({1})", barcode.Data, symbology);
this.ShowResult(result);
// Dispose the frame when you have finished processing it. If the frame is not properly disposed,
// different issues could arise, e.g. a frozen, non-responsive, or "severely stuttering" video feed.
frameData.Dispose();
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData data)
{
if (session.NewlyRecognizedBarcodes.Count == 0)
{
return;
}
var barcode = session.NewlyRecognizedBarcodes[0];
// If the code scanned doesn't start with "09:", we will just ignore it and continue
// scanning.
if (barcode.Data?.StartsWith("09:") == false)
{
// We temporarily change the brush, used to highlight recognized barcodes, to a
// transparent brush.
overlay.Brush = Brush.TransparentBrush;
return;
}
// If the code is recognized, we want to make sure to use a brush to highlight the code.
overlay.Brush = this.highlightingBrush;
// We also want to emit a feedback (vibration and, if enabled, sound).
feedback.Emit();
// Stop recognizing barcodes for as long as we are displaying the result. There won't be any
// new results until the capture mode is enabled again. Note that disabling the capture mode
// does not stop the camera, the camera continues to stream frames until it is turned off.
barcodeCapture.Enabled = false;
// If you are not disabling barcode capture here and want to continue scanning, consider
// setting the codeDuplicateFilter when creating the barcode capture settings to around 500
// or even -1 if you do not want codes to be scanned more than once.
// Get the human readable name of the symbology and assemble the result to be shown.
using (var description = SymbologyDescription.Create(barcode.Symbology))
{
var result = "Scanned: " + barcode.Data + " (" + description.ReadableName + ")";
RunOnUiThread(() => ShowResult(result));
}
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
if (!session.NewlyRecognizedBarcodes.Any())
{
return;
}
Barcode barcode = session.NewlyRecognizedBarcodes[0];
// If the code scanned doesn't start with "09:", we will just ignore it and continue
// scanning.
if (barcode.Data?.StartsWith("09:") == false)
{
this.RejectedCode?.Invoke(this, EventArgs.Empty);
return;
}
this.AcceptedCode?.Invoke(this, EventArgs.Empty);
// We also want to emit a feedback (vibration and, if enabled, sound).
this.Feedback.Emit();
// Stop recognizing barcodes for as long as we are displaying the result. There won't be any new results until
// the capture mode is enabled again. Note that disabling the capture mode does not stop the camera, the camera
// continues to stream frames until it is turned off.
barcodeCapture.Enabled = false;
// If you are not disabling barcode capture here and want to continue scanning, consider
// setting the codeDuplicateFilter when creating the barcode capture settings to around 500
// or even -1 if you do not want codes to be scanned more than once.
// Get the human readable name of the symbology and assemble the result to be shown.
SymbologyDescription description = new SymbologyDescription(barcode.Symbology);
string result = "Scanned: " + barcode.Data + " (" + description.ReadableName + ")";
if (MessageService == null)
{
MessageService = DependencyService.Get <IMessageService>();
}
MessageService.ShowAsync(result, () => barcodeCapture.Enabled = true);
}
public void OnBarcodeScanned(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
if (!session.NewlyRecognizedBarcodes.Any())
{
return;
}
Barcode barcode = session.NewlyRecognizedBarcodes[0];
// Stop recognizing barcodes for as long as we are displaying the result. There won't be any new results until
// the capture mode is enabled again. Note that disabling the capture mode does not stop the camera, the camera
// continues to stream frames until it is turned off.
barcodeCapture.Enabled = false;
// If you are not disabling barcode capture here and want to continue scanning, consider
// setting the codeDuplicateFilter when creating the barcode capture settings to around 500
// or even -1 if you do not want codes to be scanned more than once.
// Get the human readable name of the symbology and assemble the result to be shown.
string symbology = SymbologyDescription.Create(barcode.Symbology).ReadableName;
string result = "Scanned: " + barcode.Data + " (" + symbology + ")";
RunOnUiThread(() => ShowResults(result));
}
private ScannerModel()
{
this.CurrentCamera?.ApplySettingsAsync(this.CameraSettings);
// Create data capture context using your license key and set the camera as the frame source.
this.DataCaptureContext = DataCaptureContext.ForLicenseKey(SCANDIT_LICENSE_KEY);
this.DataCaptureContext.SetFrameSourceAsync(this.CurrentCamera);
// The barcode capturing process is configured through barcode capture settings
// which are then applied to the barcode capture instance that manages barcode recognition.
this.BarcodeCaptureSettings = BarcodeCaptureSettings.Create();
// The settings instance initially has all types of barcodes (symbologies) disabled. For the purpose of this
// sample we enable the QR symbology. In your own app ensure that you only enable the symbologies that your app
// requires as every additional enabled symbology has an impact on processing times.
this.BarcodeCaptureSettings.EnableSymbology(Symbology.Qr, true);
this.BarcodeCapture = BarcodeCapture.Create(this.DataCaptureContext, this.BarcodeCaptureSettings);
// By default, every time a barcode is scanned, a sound (if not in silent mode) and a
// vibration are played. In the following we are setting a success feedback without sound
// and vibration.
this.BarcodeCapture.Feedback.Success = new Feedback(vibration: null, sound: null);
}
public void OnSessionUpdated(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
}
public void OnObservationStopped(BarcodeCapture barcodeCapture)
{
}
private void InitializeAndStartBarcodeScanning()
{
// Create data capture context using your license key.
this.dataCaptureContext = DataCaptureContext.ForLicenseKey(SCANDIT_LICENSE_KEY);
// Use the default camera and set it as the frame source of the context.
// The camera is off by default and must be turned on to start streaming frames to the data
// capture context for recognition.
// See resumeFrameSource and pauseFrameSource below.
this.camera = Camera.GetDefaultCamera();
if (this.camera != null)
{
// Use the settings recommended by barcode capture.
this.camera.ApplySettingsAsync(BarcodeCapture.RecommendedCameraSettings);
this.dataCaptureContext.SetFrameSourceAsync(this.camera);
}
// The barcode capturing process is configured through barcode capture settings
// which are then applied to the barcode capture instance that manages barcode recognition.
BarcodeCaptureSettings barcodeCaptureSettings = BarcodeCaptureSettings.Create();
// The settings instance initially has all types of barcodes (symbologies) disabled.
// For the purpose of this sample we enable a very generous set of symbologies.
// In your own app ensure that you only enable the symbologies that your app requires as
// every additional enabled symbology has an impact on processing times.
HashSet <Symbology> symbologies = new HashSet <Symbology>();
symbologies.Add(Symbology.Ean13Upca);
symbologies.Add(Symbology.Ean8);
symbologies.Add(Symbology.Upce);
symbologies.Add(Symbology.Qr);
symbologies.Add(Symbology.DataMatrix);
symbologies.Add(Symbology.Code39);
symbologies.Add(Symbology.Code128);
symbologies.Add(Symbology.InterleavedTwoOfFive);
barcodeCaptureSettings.EnableSymbologies(symbologies);
// Some linear/1d barcode symbologies allow you to encode variable-length data.
// By default, the Scandit Data Capture SDK only scans barcodes in a certain length range.
// If your application requires scanning of one of these symbologies, and the length is
// falling outside the default range, you may need to adjust the "active symbol counts"
// for this symbology. This is shown in the following few lines of code for one of the
// variable-length symbologies.
SymbologySettings symbologySettings =
barcodeCaptureSettings.GetSymbologySettings(Symbology.Code39);
ICollection <short> activeSymbolCounts = new HashSet <short>(
new short[] { 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 });
symbologySettings.ActiveSymbolCounts = activeSymbolCounts;
// Create new barcode capture mode with the settings from above.
this.barcodeCapture = BarcodeCapture.Create(this.dataCaptureContext, barcodeCaptureSettings);
// Register self as a listener to get informed whenever a new barcode got recognized.
barcodeCapture.AddListener(this);
// To visualize the on-going barcode capturing process on screen, setup a data capture view
// that renders the camera preview. The view must be connected to the data capture context.
this.dataCaptureView = DataCaptureView.Create(this, this.dataCaptureContext);
// Add a barcode capture overlay to the data capture view to render the location of captured
// barcodes on top of the video preview.
// This is optional, but recommended for better visual feedback.
BarcodeCaptureOverlay overlay = BarcodeCaptureOverlay.Create(this.barcodeCapture, this.dataCaptureView);
overlay.Viewfinder = RectangularViewfinder.Create();
SetContentView(this.dataCaptureView);
}
public void OnObservationStarted(BarcodeCapture barcodeCapture)
{
//NOP
}
protected void InitializeAndStartBarcodeScanning()
{
// Create data capture context using your license key.
this.dataCaptureContext = DataCaptureContext.ForLicenseKey(SCANDIT_LICENSE_KEY);
// Use the default camera and set it as the frame source of the context.
// The camera is off by default and must be turned on to start streaming frames to the data
// capture context for recognition.
// See resumeFrameSource and pauseFrameSource below.
this.camera = Camera.GetDefaultCamera();
if (this.camera != null)
{
// Use the settings recommended by barcode capture.
this.camera.ApplySettingsAsync(BarcodeCapture.RecommendedCameraSettings);
this.dataCaptureContext.SetFrameSourceAsync(this.camera);
}
BarcodeCaptureSettings barcodeCaptureSettings = BarcodeCaptureSettings.Create();
// The settings instance initially has all types of barcodes (symbologies) disabled.
// For the purpose of this sample we enable a very generous set of symbologies.
// In your own app ensure that you only enable the symbologies that your app requires as
// every additional enabled symbology has an impact on processing times.
HashSet <Symbology> symbologies = new HashSet <Symbology>()
{
Symbology.Ean13Upca,
Symbology.Ean8,
Symbology.Upce,
Symbology.Qr,
Symbology.DataMatrix,
Symbology.Code39,
Symbology.Code128,
Symbology.InterleavedTwoOfFive
};
barcodeCaptureSettings.EnableSymbologies(symbologies);
// Some linear/1d barcode symbologies allow you to encode variable-length data.
// By default, the Scandit Data Capture SDK only scans barcodes in a certain length range.
// If your application requires scanning of one of these symbologies, and the length is
// falling outside the default range, you may need to adjust the "active symbol counts"
// for this symbology. This is shown in the following few lines of code for one of the
// variable-length symbologies.
SymbologySettings symbologySettings =
barcodeCaptureSettings.GetSymbologySettings(Symbology.Code39);
HashSet <short> activeSymbolCounts = new HashSet <short>(
new short[] { 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 });
symbologySettings.ActiveSymbolCounts = activeSymbolCounts;
// Create new barcode capture mode with the settings from above.
this.barcodeCapture = BarcodeCapture.Create(this.dataCaptureContext, barcodeCaptureSettings);
// Register self as a listener to get informed whenever a new barcode got recognized.
this.barcodeCapture.AddListener(this);
// To visualize the on-going barcode capturing process on screen, setup a data capture view
// that renders the camera preview. The view must be connected to the data capture context.
this.dataCaptureView = DataCaptureView.Create(this.dataCaptureContext, this.View.Bounds);
this.dataCaptureView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight |
UIViewAutoresizing.FlexibleWidth;
this.View.AddSubview(this.dataCaptureView);
this.overlay = BarcodeCaptureOverlay.Create(this.barcodeCapture, this.dataCaptureView);
this.overlay.Viewfinder = RectangularViewfinder.Create(RectangularViewfinderStyle.Square, RectangularViewfinderLineStyle.Light);
// Adjust the overlay's barcode highlighting to match the new viewfinder styles and improve the visibility of feedback.
// With 6.10 we will introduce this visual treatment as a new style for the overlay.
overlay.Brush = new Brush(fillColor: UIColor.Clear,
strokeColor: UIColor.White,
strokeWidth: 3);
this.dataCaptureView.AddOverlay(this.overlay);
}
public void OnSessionUpdated(BarcodeCapture barcodeCapture, BarcodeCaptureSession session, IFrameData frameData)
{
// Dispose the frame when you have finished processing it. If the frame is not properly disposed,
// different issues could arise, e.g. a frozen, non-responsive, or "severely stuttering" video feed.
frameData.Dispose();
}