private DataCaptureManager()
{
// The barcode tracking process is configured through barcode tracking settings
// which are then applied to the barcode tracking instance that manages barcode recognition and tracking.
BarcodeTrackingSettings barcodeTrackingSettings = BarcodeTrackingSettings.Create();
// The settings instance initially has all types of barcodes (symbologies) disabled.
// For the purpose of this sample we enable a 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.Code39,
Symbology.Code128
};
barcodeTrackingSettings.EnableSymbologies(symbologies);
CameraSettings cameraSettings = BarcodeTracking.RecommendedCameraSettings;
cameraSettings.PreferredResolution = VideoResolution.FullHd;
this.Camera?.ApplySettingsAsync(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.Camera);
// Create new barcode tracking mode with the settings from above.
this.BarcodeTracking = BarcodeTracking.Create(this.DataCaptureContext, barcodeTrackingSettings);
}
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 OnPause methods.
this.camera = Camera.GetDefaultCamera();
if (this.camera != null)
{
// Use the recommended camera settings for the BarcodeTracking mode.
CameraSettings cameraSettings = BarcodeTracking.RecommendedCameraSettings;
// Adjust camera settings - set Full HD resolution.
cameraSettings.PreferredResolution = VideoResolution.FullHd;
this.camera.ApplySettingsAsync(cameraSettings);
this.dataCaptureContext.SetFrameSourceAsync(this.camera);
}
// The barcode tracking process is configured through barcode tracking settings
// which are then applied to the barcode tracking instance that manages barcode tracking.
BarcodeTrackingSettings barcodeTrackingSettings = BarcodeTrackingSettings.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.Code39);
symbologies.Add(Symbology.Code128);
barcodeTrackingSettings.EnableSymbologies(symbologies);
// Create barcode tracking and attach to context.
this.barcodeTracking = BarcodeTracking.Create(this.dataCaptureContext, barcodeTrackingSettings);
// Register self as a listener to get informed of tracked barcodes.
this.barcodeTracking.AddListener(this);
// To visualize the on-going barcode tracking 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);
// Create barcode tracking overlay to the data capture view to render the tracked barcodes on
// top of the video preview. This is optional, but recommended for better visual feedback.
BarcodeTrackingBasicOverlay.Create(this.barcodeTracking, this.dataCaptureView);
// Add the DataCaptureView to the container.
FrameLayout container = this.FindViewById <FrameLayout>(Resource.Id.data_capture_view_container);
container.AddView(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.dataCaptureContext.SetFrameSourceAsync(this.camera);
}
// Use the recommended camera settings for the BarcodeTracking mode as default settings.
// The preferred resolution is automatically chosen, which currently defaults to HD on all devices.
CameraSettings cameraSettings = BarcodeTracking.RecommendedCameraSettings;
// Setting the preferred resolution to full HD helps to get a better decode range.
cameraSettings.PreferredResolution = VideoResolution.FullHd;
camera?.ApplySettingsAsync(cameraSettings);
BarcodeTrackingSettings barcodeTrackingSettings = BarcodeTrackingSettings.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.Code39,
Symbology.Code128
};
barcodeTrackingSettings.EnableSymbologies(symbologies);
// Create new barcode tracking mode with the settings from above.
this.barcodeTracking = BarcodeTracking.Create(this.dataCaptureContext, barcodeTrackingSettings);
// Register self as a listener to get informed whenever a new barcode got recognized.
this.barcodeTracking.AddListener(this);
// To visualize the on-going barcode tracking process on screen, setup a data capture view
// that renders the camera preview. The view must be connected to the data capture context.
var dataCaptureView = DataCaptureView.Create(this.dataCaptureContext, this.View.Bounds);
dataCaptureView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight |
UIViewAutoresizing.FlexibleWidth;
this.View.AddSubview(dataCaptureView);
this.View.SendSubviewToBack(dataCaptureView);
BarcodeTrackingBasicOverlay.Create(this.barcodeTracking, dataCaptureView);
}
