com.yoti.mobile.android.scan

Class ScannerValidator

java.lang.Object

com.yoti.mobile.android.scan.ScannerValidator

All Implemented Interfaces:

com.yoti.mobile.android.camera.AbstractDetectionThread.OnDetectionListener, CameraViewPresenter, QrCodeDetectionThread.QrCodeDetectionListener

public class ScannerValidator
extends java.lang.Object
implements QrCodeDetectionThread.QrCodeDetectionListener, CameraViewPresenter

Entry point for core module API. Use this class if your application will take control of all UI elements. You will be responsible for generating frames and passing them to deals directly with image data and device external inputs such as motion/orientation data passes back status of most recently processed image

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ScannerValidator.ScannerCoreListener

Field Summary

Fields

Modifier and Type	Field and Description
static int	CAMERA_BUFFERS_REQUIRED
static int	IMAGE_ERROR_NO_CODE
protected static int	NUM_TIMES_SHOW_SCAN_INSTRUCTIONS

Constructor Summary

Constructors

Constructor and Description
ScannerValidator(ScannerValidator.ScannerCoreListener callback, android.content.Context context)

Method Summary

Modifier and Type	Method and Description
int	getErrorStatus()
void	initialise(int cameraOrientation, int pictureWidth, int pictureHeight) Sets up internal state which is required when processing picture frames
void	onCameraPreview(byte[] image) Search for QR code on a frame from the camera.
void	onCodeResults(byte[] frame, QrCodeResult[] results) Called when a frame is successfully processed.
void	onFrameDropped(byte[] buffer)
void	onHideScanningInstructionsClick()
void	onProcessingStarted(boolean trackerReady)
void	onViewDestroy()
void	onViewPause()
void	onViewResume()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NUM_TIMES_SHOW_SCAN_INSTRUCTIONS

protected static final int NUM_TIMES_SHOW_SCAN_INSTRUCTIONS

See Also:

Constant Field Values

IMAGE_ERROR_NO_CODE

public static final int IMAGE_ERROR_NO_CODE

See Also:

Constant Field Values

CAMERA_BUFFERS_REQUIRED

public static final int CAMERA_BUFFERS_REQUIRED

See Also:

Constant Field Values

Constructor Detail

ScannerValidator

public ScannerValidator(ScannerValidator.ScannerCoreListener callback,
                        android.content.Context context)

Method Detail

initialise

public void initialise(int cameraOrientation,
                       int pictureWidth,
                       int pictureHeight)

Sets up internal state which is required when processing picture frames

Parameters:

cameraOrientation - display orientation of the camera, as returned by android.hardware.Camera.CameraInfo#orientation

pictureWidth - picture width of images sent to #processFrameAr

pictureWidth - picture height of images sent to #processFrameAr

onHideScanningInstructionsClick

public void onHideScanningInstructionsClick()

onCameraPreview

public void onCameraPreview(byte[] image)

Search for QR code on a frame from the camera.

Specified by:

onCameraPreview in interface CameraViewPresenter

Parameters:

image - YUV byte array, of size previously sent in #initialise

getErrorStatus

public int getErrorStatus()

Returns:

Bitmask of current error values for picture capture.

onViewDestroy

public void onViewDestroy()

Specified by:

onViewDestroy in interface CameraViewPresenter

onViewResume

public void onViewResume()

Specified by:

onViewResume in interface CameraViewPresenter

onViewPause

public void onViewPause()

Specified by:

onViewPause in interface CameraViewPresenter

onCodeResults

public void onCodeResults(byte[] frame,
                          QrCodeResult[] results)

Description copied from interface: QrCodeDetectionThread.QrCodeDetectionListener

Called when a frame is successfully processed.

Specified by:

onCodeResults in interface QrCodeDetectionThread.QrCodeDetectionListener

Parameters:

frame - Analysed frame data

results - Detection results

onFrameDropped

public void onFrameDropped(byte[] buffer)

Specified by:

onFrameDropped in interface com.yoti.mobile.android.camera.AbstractDetectionThread.OnDetectionListener

onProcessingStarted

public void onProcessingStarted(boolean trackerReady)

Specified by:

onProcessingStarted in interface com.yoti.mobile.android.camera.AbstractDetectionThread.OnDetectionListener