void InitializeAndStartBarcodeScanning()
{
ScanSettings settings = ScanSettings.Create();
int[] symbologiesToEnable = new int[] {
Barcode.SymbologyEan13,
Barcode.SymbologyEan8,
Barcode.SymbologyUpca,
Barcode.SymbologyDataMatrix,
Barcode.SymbologyQr,
Barcode.SymbologyCode39,
Barcode.SymbologyCode128,
Barcode.SymbologyInterleaved2Of5,
Barcode.SymbologyUpce
};
foreach (int symbology in symbologiesToEnable)
{
settings.SetSymbologyEnabled(symbology, true);
}
SymbologySettings symSettings = settings.GetSymbologySettings(Barcode.SymbologyCode128);
short[] activeSymbolCounts = new short[] {
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
};
symSettings.SetActiveSymbolCounts(activeSymbolCounts);
barcodePicker = new BarcodePicker(this, settings);
barcodePicker.SetOnScanListener(this);
SetContentView(barcodePicker);
}
void InitializeBarcodeScanning()
{
ScanSettings settings = ScanSettings.Create();
int[] symbologiesToEnable =
{
Barcode.SymbologyEan13,
Barcode.SymbologyEan8,
Barcode.SymbologyUpca,
Barcode.SymbologyCode39,
Barcode.SymbologyCode128,
Barcode.SymbologyInterleaved2Of5,
Barcode.SymbologyUpce
};
ScanAreaSettings scanAreaSettings = new ScanAreaSettings();
scanAreaSettings.SquareCodeLocationConstraint = BarcodeScannerSettings.CodeLocationRestrict;
scanAreaSettings.WideCodeLocationConstraint = BarcodeScannerSettings.CodeLocationRestrict;
scanAreaSettings.WideCodeLocationArea = new RectF(0f, 0.475f, 1f, 0.525f);
scanAreaSettings.SquareCodeLocationArea = new RectF(0f, 0.3f, 1f, 0.7f);
settings.AreaSettingsPortrait = scanAreaSettings;
settings.AreaSettingsLandscape = scanAreaSettings;
settings.CodeDuplicateFilter = 1000;
foreach (int symbology in symbologiesToEnable)
{
settings.SetSymbologyEnabled(symbology, true);
}
barcodePicker = new BarcodePicker(this, settings);
barcodePicker.OverlayView.SetGuiStyle(ScanOverlay.GuiStyleLaser);
barcodePicker.SetOnScanListener(this);
(FindViewById(Resource.Id.picker_container) as FrameLayout).AddView(barcodePicker, 0);
}
void InitializeAndStartBarcodeScanning()
{
// The scanning behavior of the barcode picker is configured through scan
// settings. We start with empty scan settings and enable a generous set
// of 1D symbologies. MatrixScan is currently only supported for 1D
// symbologies, enabling 2D symbologies will result in unexpected results.
// In your own apps, only enable the symbologies you actually need.
ScanSettings settings = ScanSettings.Create();
int[] symbologiesToEnable = new int[] {
Barcode.SymbologyEan13,
Barcode.SymbologyEan8,
Barcode.SymbologyUpca,
Barcode.SymbologyCode39,
Barcode.SymbologyCode128,
Barcode.SymbologyInterleaved2Of5,
Barcode.SymbologyUpce
};
foreach (int symbology in symbologiesToEnable)
{
settings.SetSymbologyEnabled(symbology, true);
}
// Enable MatrixScan and set the max number of barcodes that can be recognized per frame
// to some reasonable number for your use case. The max number of codes per frame does not
// limit the number of codes that can be tracked at the same time, it only limits the
// number of codes that can be newly recognized per frame.
settings.MatrixScanEnabled = true;
settings.MaxNumberOfCodesPerFrame = 10;
// Prefer the back-facing camera, if there is any.
settings.CameraFacingPreference = ScanSettings.CameraFacingBack;
barcodePicker = new BarcodePicker(this, settings);
barcodePicker.OverlayView.SetGuiStyle(ScanOverlay.GuiStyleMatrixScan);
// Set the GUI style to MatrixScan to see a visualization of the tracked barcodes. If you
// would like to visualize it yourself, set it to ScanOverlay.GuiStyleNone and update your
// visualization in the didProcess() callback.
barcodePicker.OverlayView.SetGuiStyle(ScanOverlay.GuiStyleMatrixScan);
// When using MatrixScan vibrating is often not desired.
barcodePicker.OverlayView.SetVibrateEnabled(false);
// Register listener, in order to be notified about relevant events
// (e.g. a successfully scanned bar code).
barcodePicker.SetOnScanListener(this);
// Register a process frame listener to be able to reject tracked codes.
barcodePicker.SetProcessFrameListener(this);
// Set listener for the scan event.
barcodePicker.SetOnScanListener(this);
// Show the scan user interface
SetContentView(barcodePicker);
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
RequestWindowFeature(WindowFeatures.NoTitle);
Window.SetFlags(WindowManagerFlags.Fullscreen, WindowManagerFlags.Fullscreen);
// Set the app key before instantiating the picker.
ScanditLicense.AppKey = appKey;
// The scanning behavior of the barcode picker is configured through scan
// settings. We start with empty scan settings and enable a very generous
// set of symbologies. In your own apps, only enable the symbologies you
// actually need.
ScanSettings settings = ScanSettings.Create();
int[] symbologiesToEnable = new int[] {
Barcode.SymbologyEan13,
Barcode.SymbologyEan8,
Barcode.SymbologyUpca,
Barcode.SymbologyDataMatrix,
Barcode.SymbologyQr,
Barcode.SymbologyCode39,
Barcode.SymbologyCode128,
Barcode.SymbologyInterleaved2Of5,
Barcode.SymbologyUpce
};
for (int sym = 0; sym < symbologiesToEnable.Length; sym++)
{
settings.SetSymbologyEnabled(symbologiesToEnable[sym], true);
}
// Some 1d barcode symbologies allow you to encode variable-length data. By default, the
// Scandit BarcodeScanner 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.
SymbologySettings symSettings = settings.GetSymbologySettings(Barcode.SymbologyCode128);
short[] activeSymbolCounts = new short[] {
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
};
symSettings.SetActiveSymbolCounts(activeSymbolCounts);
// For details on defaults and how to calculate the symbol counts for each symbology, take
// a look at http://docs.scandit.com/stable/c_api/symbologies.html.
picker = new BarcodePicker(this, settings);
// Set listener for the scan event.
picker.SetOnScanListener(this);
// Show the scan user interface
SetContentView(picker);
}
void InitializeAndStartBarcodeScanning()
{
// The scanning behavior of the barcode picker is configured through scan
// settings. We start with empty scan settings and enable a very generous
// set of symbologies. In your own apps, only enable the symbologies you
// actually need.
ScanSettings settings = ScanSettings.Create();
int[] symbologiesToEnable = new int[] {
Barcode.SymbologyEan13,
Barcode.SymbologyEan8,
Barcode.SymbologyUpca,
Barcode.SymbologyDataMatrix,
Barcode.SymbologyQr,
Barcode.SymbologyCode39,
Barcode.SymbologyCode128,
Barcode.SymbologyInterleaved2Of5,
Barcode.SymbologyUpce
};
foreach (int symbology in symbologiesToEnable)
{
settings.SetSymbologyEnabled(symbology, true);
}
// Some 1d barcode symbologies allow you to encode variable-length data. By default, the
// Scandit BarcodeScanner 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.
SymbologySettings symSettings = settings.GetSymbologySettings(Barcode.SymbologyCode128);
short[] activeSymbolCounts = new short[] {
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
};
symSettings.SetActiveSymbolCounts(activeSymbolCounts);
// For details on defaults and how to calculate the symbol counts for each symbology, take
// a look at http://docs.scandit.com/stable/c_api/symbologies.html.
barcodePicker = new BarcodePicker(this, settings);
// Set listener for the scan event.
barcodePicker.SetOnScanListener(this);
// Show the scan user interface
SetContentView(barcodePicker);
}
protected ScanSettings GetScanSettings()
{
ScanSettings settings = ScanSettings.Create();
settings.SetSymbologyEnabled(Barcode.SymbologyEan13, true);
settings.SetSymbologyEnabled(Barcode.SymbologyUpce, true);
settings.SetSymbologyEnabled(Barcode.SymbologyUpca, true);
settings.SetSymbologyEnabled(Barcode.SymbologyEan8, true);
settings.MatrixScanEnabled = true;
settings.MaxNumberOfCodesPerFrame = 12;
settings.HighDensityModeEnabled = true;
settings.CodeCachingDuration = 0;
settings.CodeDuplicateFilter = 0;
return(settings);
}
void InitializeBarcodeScanning()
{
ScanSettings settings = ScanSettings.Create();
int[] symbologiesToEnable =
{
Barcode.SymbologyEan13,
Barcode.SymbologyEan8,
Barcode.SymbologyUpca,
Barcode.SymbologyUpce,
Barcode.SymbologyDataMatrix,
Barcode.SymbologyQr,
Barcode.SymbologyCode39,
Barcode.SymbologyCode128,
Barcode.SymbologyInterleaved2Of5
};
foreach (int symbology in symbologiesToEnable)
{
settings.SetSymbologyEnabled(symbology, true);
}
// Enable and set the restrict active area. This will make sure that codes are only scanned in a very thin band in the center of the image.
settings.SetActiveScanningArea(ScanSettings.OrientationPortrait, new RectF(0f, 0.48f, 1f, 0.52f));
// Setup the barcode scanner
barcodePicker = new BarcodePicker(this, settings);
// Add listener for the scan event. We keep references to the
// delegates until the picker is no longer used as the delegates are softly
// referenced and can be removed because of low memory.
barcodePicker.SetOnScanListener(this);
// Modify the GUI style to have a "laser" line instead of a square viewfinder.
barcodePicker.OverlayView.SetGuiStyle(ScanOverlay.GuiStyleLaser);
// Start scanning in paused state.
barcodePicker.StartScanning(true);
(FindViewById(Resource.Id.picker_container) as FrameLayout).AddView(barcodePicker, 0);
GrantCameraPermissionsThenStartScanning();
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
RequestWindowFeature(WindowFeatures.NoTitle);
Window.SetFlags(WindowManagerFlags.Fullscreen, WindowManagerFlags.Fullscreen);
ScanditLicense.AppKey = appKey;
ScanSettings settings = ScanSettings.Create();
int[] symbologiesToEnable = new int[] {
Barcode.SymbologyEan13,
Barcode.SymbologyEan8,
Barcode.SymbologyUpca,
Barcode.SymbologyDataMatrix,
Barcode.SymbologyQr,
Barcode.SymbologyCode39,
Barcode.SymbologyCode128,
Barcode.SymbologyInterleaved2Of5,
Barcode.SymbologyUpce
};
for (int sym = 0; sym < symbologiesToEnable.Length; sym++)
{
settings.SetSymbologyEnabled(symbologiesToEnable[sym], true);
}
SymbologySettings symSettings = settings.GetSymbologySettings(Barcode.SymbologyCode128);
short[] activeSymbolCounts = new short[] {
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
};
symSettings.SetActiveSymbolCounts(activeSymbolCounts);
// For details on defaults and how to calculate the symbol counts for each symbology, take
// a look at http://docs.scandit.com/stable/c_api/symbologies.html.
picker = new BarcodePicker(this, settings);
picker.SetOnScanListener(this);
SetContentView(picker);
}
private ScanSettings CreateScanSettings()
{
var settings = pickerView.Settings;
var scanSettings = ScanSettings.Create();
// Symbologies
scanSettings.SetSymbologyEnabled(Barcode.SymbologyEan13, settings.Ean13Upc12);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyUpca, settings.Ean13Upc12);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyEan8, settings.Ean8);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyUpce, settings.Upce);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyTwoDigitAddOn, settings.TwoDigitAddOn);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyFiveDigitAddOn, settings.FiveDigitAddOn);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCode11, settings.Code11);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCode25, settings.Code25);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCode32, settings.Code32);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCode39, settings.Code39);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCode93, settings.Code93);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCode128, settings.Code128);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyInterleaved2Of5, settings.Interleaved2Of5);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyMsiPlessey, settings.MsiPlessey);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyGs1Databar, settings.Gs1Databar);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyGs1DatabarExpanded, settings.Gs1DatabarExpanded);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyGs1DatabarLimited, settings.Gs1DatabarLimited);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCodabar, settings.Codabar);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyQr, settings.Qr);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyDataMatrix, settings.DataMatrix);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyPdf417, settings.Pdf417);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyMicroPdf417, settings.MicroPdf417);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyAztec, settings.Aztec);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyMaxicode, settings.MaxiCode);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyRm4scc, settings.Rm4scc);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyKix, settings.Kix);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyDotcode, settings.Kix);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyMicroQr, settings.MicroQR);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyLapa4sc, settings.Lapa4sc);
if (settings.QrInverted)
{
var qrSettings = scanSettings.GetSymbologySettings(Barcode.SymbologyQr);
qrSettings.ColorInvertedEnabled = true;
}
var isScanningAreaOverridden = false;
if (settings.DataMatrix)
{
var datamatrixSettings = scanSettings.GetSymbologySettings(Barcode.SymbologyDataMatrix);
datamatrixSettings.ColorInvertedEnabled = settings.DataMatrixInverted;
if (settings.DpmMode)
{
scanSettings.RestrictedAreaScanningEnabled = true;
var scanninArea = new Android.Graphics.RectF(0.33f, 0.33f, 0.66f, 0.66f);
scanSettings.SetActiveScanningArea(ScanSettings.OrientationPortrait, scanninArea);
scanSettings.SetActiveScanningArea(ScanSettings.OrientationLandscape, scanninArea);
isScanningAreaOverridden = true;
// Enabling the direct_part_marking_mode extension comes at the cost of increased frame processing times.
// It is recommended to restrict the scanning area to a smaller part of the image for best performance.
datamatrixSettings.SetExtensionEnabled("direct_part_marking_mode", true);
}
}
if (settings.RestrictScanningArea && !isScanningAreaOverridden)
{
float y = (float)settings.HotSpotY;
float width = (float)settings.HotSpotWidth;
float height = (float)settings.HotSpotHeight;
scanSettings.SetScanningHotSpot(0.5f, y);
var scanninArea = new Android.Graphics.RectF(0.5f - (width / 2), y - (height / 2), 0.5f + (width / 2), y + (height / 2));
scanSettings.SetActiveScanningArea(ScanSettings.OrientationPortrait, scanninArea);
scanSettings.SetActiveScanningArea(ScanSettings.OrientationLandscape, scanninArea);
}
scanSettings.MaxNumberOfCodesPerFrame = settings.TwoDigitAddOn || settings.FiveDigitAddOn ? 2 : 1;
scanSettings.HighDensityModeEnabled = (settings.Resolution == Resolution.HD);
scanSettings.MatrixScanEnabled = (settings.GuiStyle == GuiStyle.MatrixScan);
return(scanSettings);
}
protected override void OnElementChanged(ElementChangedEventArgs <CustomStackLayout> e)
{
base.OnElementChanged(e);
//var test = this as ViewGroup;
if (e.NewElement != null)
{
// Set the app key before instantiating the picker.
ScanditLicense.AppKey = appKey;
// The scanning behavior of the barcode picker is configured through scan
// settings. We start with empty scan settings and enable a very generous
// set of symbologies. In your own apps, only enable the symbologies you
// actually need.
ScanSettings settings = ScanSettings.Create();
int[] symbologiesToEnable = new int[]
{
Barcode.SymbologyEan13,
Barcode.SymbologyEan8,
Barcode.SymbologyUpca,
Barcode.SymbologyDataMatrix,
Barcode.SymbologyQr,
Barcode.SymbologyCode39,
Barcode.SymbologyCode128,
Barcode.SymbologyInterleaved2Of5,
Barcode.SymbologyUpce
};
for (int sym = 0; sym < symbologiesToEnable.Length; sym++)
{
settings.SetSymbologyEnabled(symbologiesToEnable[sym], true);
}
//// Some 1d barcode symbologies allow you to encode variable-length data. By default, the
//// Scandit BarcodeScanner 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.
SymbologySettings symSettings = settings.GetSymbologySettings(Barcode.SymbologyCode128);
short[] activeSymbolCounts = new short[]
{
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
};
symSettings.SetActiveSymbolCounts(activeSymbolCounts);
// For details on defaults and how to calculate the symbol counts for each symbology, take
// a look at http://docs.scandit.com/stable/c_api/symbologies.html.
picker = new BarcodePicker(this.Context, settings);
picker.OverlayView.SetViewfinderDimension(0.5f, 0.9f, 0.5f, 0.9f);
picker.OverlayView.SetTorchEnabled(false);
// Set listener for the scan event.
picker.SetOnScanListener(this);
picker.StartScanning();
//picker.Scan += (sender, args) =>
//{
//};
AddView(picker);
//SetNativeControl(picker);
}
}
/// <summary>
/// On element changed event
/// </summary>
/// <param name="e"></param>
protected override void OnElementChanged(ElementChangedEventArgs <ScandItCamera> e)
{
base.OnElementChanged(e);
//assign new elemnt value to scanned it camera
_scanedItCamera = e.NewElement;
if (Control == null)
{
ScanditLicense.AppKey = ScanditAppKey;
var scanSettings = ScanSettings.Create();
//set code duplication filter
if (_scanedItCamera.AllowDuplicate)
{
scanSettings.CodeDuplicateFilter = 1500; //1.5 sec delay for duplication scanning
}
else
{
scanSettings.CodeDuplicateFilter = -1;
}
//Bar code symbologies
scanSettings.SetSymbologyEnabled(Barcode.SymbologyEan13, true);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyEan8, true);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyQr, true);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyUpca, true);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCode128, true);
scanSettings.SetSymbologyEnabled(Barcode.SymbologyCode39, true);
//set code length for code 128
var code128Settings = scanSettings.GetSymbologySettings(Barcode.SymbologyCode128);
code128Settings.SetActiveSymbolCounts(
new short[] { 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40 }
);
scanSettings.SetActiveScanningArea(ScanSettings.OrientationPortrait, new RectF(0.0f, 0.45f, 1.0f, 0.55f));
_picker = new BarcodePicker(_context, scanSettings);
//set picker properties
_picker.OverlayView.SetBeepEnabled(true);
_picker.OverlayView.SetVibrateEnabled(true);
_picker.OverlayView.SetCameraSwitchVisibility(0);
//to set picker gui style
if (_scanedItCamera.ShowFocus)
{
_picker.OverlayView.SetGuiStyle(0);
}
else
{
_picker.OverlayView.SetGuiStyle(3);
}
//_picker.StartScanning();
_picker.SetOnScanListener(this);
//apply picker scan sesstings
_picker.ApplyScanSettings(scanSettings);
SetNativeControl(_picker);
//enable action for start and stop scanning
if (_scanedItCamera != null)
{
_scanedItCamera.StartScanning = StartScanning;
_scanedItCamera.StopScanning = StopScanning;
}
}
}