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 OnElementChanged(ElementChangedEventArgs <PickerView> e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
pickerView = e.NewElement;
e.NewElement.StartScanningRequested += OnStartScanningRequested;
e.NewElement.PauseScanningRequested += OnPauseScanningRequested;
barcodePicker = new BarcodePicker(context, CreateScanSettings());
SetNativeControl(barcodePicker.OverlayView.RootView);
onScanListener = new PickerOnScanListener
{
PickerView = pickerView,
ContinuousAfterScan = pickerView.Settings.ContinuousAfterScan
};
barcodePicker.SetOnScanListener(onScanListener);
ApplyOverlaySettings();
barcodePicker.StartScanning();
}
if (e.OldElement != null)
{
e.OldElement.StartScanningRequested -= OnStartScanningRequested;
e.OldElement.PauseScanningRequested -= OnPauseScanningRequested;
}
}
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);
}
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);
}
}
