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 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);
}
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);
}
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)
{
try
{
var scanLicense = new ScanditLicense();
scanLicense.AppKey = ScanditAppKey;
ScanSettings scanSettings = ScanSettings.DefaultSettings();
//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(Symbology.EAN13, true);
scanSettings.SetSymbologyEnabled(Symbology.QR, true);
scanSettings.SetSymbologyEnabled(Symbology.UPC12, true);
scanSettings.SetSymbologyEnabled(Symbology.Code128, true);
scanSettings.SetSymbologyEnabled(Symbology.Code39, true);
scanSettings.SetSymbologyEnabled(Symbology.EAN8, true);
//update code 128 settings
var code128Settings = scanSettings.SettingsForSymbology(Symbology.Code128);
var countArray = NSArray.FromObjects(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);
code128Settings.ActiveSymbolCounts = new NSSet(countArray);
//apply scan settings
_picker = new BarcodePicker(scanSettings);
_picker.OverlayView.SetBeepEnabled(true);
_picker.OverlayView.SetVibrateEnabled(true);
_picker.OverlayView.SetCameraSwitchVisibility(CameraSwitchVisibility.Never);
_picker.OverlayView.GuiStyle = GuiStyle.None;
//to set picker gui style
if (_scanedItCamera.ShowFocus)
{
_picker.OverlayView.GuiStyle = GuiStyle.Default;
}
else
{
_picker.OverlayView.GuiStyle = GuiStyle.None;
}
_picker.DidScan += DidScan;
//set native control as picker view
SetNativeControl(_picker.View);
//enable action for start and stop scanning
if (_scanedItCamera != null)
{
_scanedItCamera.StartScanning = StartScanning;
_scanedItCamera.StopScanning = StopScanning;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
}