ViewBasedMatrixScanOverlay Class Reference

Inherits MatrixScanOverlay, and OnClickListener.

Classes
interface	ViewBasedMatrixScanOverlayListener

Public Member Functions
	ViewBasedMatrixScanOverlay (Context context, MatrixScan matrixScan, ViewBasedMatrixScanOverlayListener listener)
	ViewBasedMatrixScanOverlay (Context context, MatrixScan matrixScan, ViewBasedMatrixScanOverlayListener listener, int viewCenterPoint)
void	setViewForCode (View view, long barcodeId)
void	setOffsetForCode (Point offset, long barcodeId)

Static Public Attributes
Possible anchor points of the augmentations, relative to the actual tracked
barcode location within the frame.
static final int	TOP_EDGE_CENTER
static final int	CENTER

Detailed Description

An implementation of the abstract MatrixScanOverlay class, that uses View class instances as augmentations for all of the tracked barcodes.

Since

5.9.0

Constructor & Destructor Documentation

ViewBasedMatrixScanOverlay	(	Context	context,
		MatrixScan	matrixScan,
		ViewBasedMatrixScanOverlayListener	listener
	)

A ViewBasedMatrixScanOverlay constructor.

All augmentations drawn by this overlay will be attached to the center of the top edge of the detected barcode.

Parameters

context	Context.
matrixScan	A reference to a MatrixScan instance that the overlay will be added to.
listener	Instance of the ViewBasedMatrixScanOverlayListener class.

Since

5.9.0

ViewBasedMatrixScanOverlay	(	Context	context,
		MatrixScan	matrixScan,
		ViewBasedMatrixScanOverlayListener	listener,
		int	viewCenterPoint
	)

A ViewBasedMatrixScanOverlay constructor.

The last argument of the constructor defines whether the augmentations drawn by this overlay should be attached either to the center of the top edge of the detected barcode or to the actual center of the barcode.

Parameters

context	Context.
matrixScan	A reference to a MatrixScan instance that the overlay will be added to.
listener	Instance of the ViewBasedMatrixScanOverlayListener class.
viewCenterPoint	An int representing an anchor point for all augmentations (views). The value has to be one of ViewBasedMatrixScanOverlay.TOP_EDGE_CENTER or ViewBasedMatrixScanOverlay.CENTER.

Since

5.9.0

Member Function Documentation

void setViewForCode	(	View	view,
		long	barcodeId
	)

Set a View augmentation for the barcode with the given id.

Parameters

view	View instance, to be used as an augmentation.
barcodeId	Barcode identifier.

Since

5.9.0

void setOffsetForCode	(	Point	offset,
		long	barcodeId
	)

Set an offset (from the anchor point) of the augmentation drawn for the barcode with the given id.

Parameters

offset	Point instance, representing an offset.
barcodeId	Barcode identifier.

Since

5.9.0

Member Data Documentation

final int TOP_EDGE_CENTER

static

Anchor in the middle of the top edge of the tracked barcode.

final int CENTER

static

Anchor in the center of the tracked barcode.

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The documentation for this class was generated from the following file:

• ViewBasedMatrixScanOverlay.java