This method is used to bind the camera preview and make the capture analyzer process the frames from the camera. When called, this method will also create a new session and reset the UI. Any exception from the SDK will be caught and shown in the UI.

checkFaceLivenessFace

private final Unit checkFaceLivenessFace()

Called liveness check after the face capture session is complete

getCamera

private final Camera getCamera()

The camera object

getCameraProviderFuture

private final ListenableFuture<ProcessCameraProvider> getCameraProviderFuture()

The future for the camera provider

getCaptureAnalyzer

private final PassiveFaceCaptureAnalyzer getCaptureAnalyzer()

The capture analyzer. This processes the frames from the camera

getFlPinchToZoom

private final FrameLayout getFlPinchToZoom()

The frame layout showing the pinch to zoom animation

getFroOverlay

private final FaceOvalOverlayView getFroOverlay()

The Oval overlay view to show the face oval where the user is supposed to align their face

getIvBack

private final ImageView getIvBack()

The button to go back to the previous screen

getPvCamera

private final PreviewView getPvCamera()

The preview view for the camera

getSession

private final PassiveFaceCaptureSession getSession()

Passive Face Capture Session

getTvInstructions

private final TextView getTvInstructions()

The text view to show instructions to the user

hidePinchToZoomHint

private final Unit hidePinchToZoomHint()

This method is used to hide the pinch to zoom hint.

isPinchToZoomHintShown

private final Boolean isPinchToZoomHintShown()

Whether the pinch to zoom hint has been shown (it is only shown once)

onCreate

protected Unit onCreate(Bundle savedInstanceState)

onFaceCaptureCompleted

private final Unit onFaceCaptureCompleted()

Move to the next activity when the face capture session is complete

onFirstFrameCaptured

public Unit onFirstFrameCaptured()

This method is used to notify the listener that the first frame has been captured.

onPause

protected Unit onPause()

onProcessingError

public Unit onProcessingError(SenseCryptSdkException exception)

Called when there is an error while processing a frame

onProcessingResultAvailable

public Unit onProcessingResultAvailable(PassiveFaceCaptureProcessingResult result)

This method is used to process the pose of the user's face based on the current frame.

onResume

protected Unit onResume()

resetSession

private final Unit resetSession()

Reset the session

setCamera

private final Unit setCamera(Camera camera)

The camera object

setCameraProviderFuture

private final Unit setCameraProviderFuture(ListenableFuture<ProcessCameraProvider> cameraProviderFuture)

The future for the camera provider

setCaptureAnalyzer

private final Unit setCaptureAnalyzer(PassiveFaceCaptureAnalyzer captureAnalyzer)

The capture analyzer. This processes the frames from the camera

setFlPinchToZoom

private final Unit setFlPinchToZoom(FrameLayout flPinchToZoom)

The frame layout showing the pinch to zoom animation

setFroOverlay

private final Unit setFroOverlay(FaceOvalOverlayView froOverlay)

The Oval overlay view to show the face oval where the user is supposed to align their face

setIvBack

private final Unit setIvBack(ImageView ivBack)

The button to go back to the previous screen

setPinchToZoomHintShown

private final Unit setPinchToZoomHintShown(Boolean isPinchToZoomHintShown)

Whether the pinch to zoom hint has been shown (it is only shown once)

setPvCamera

private final Unit setPvCamera(PreviewView pvCamera)

The preview view for the camera

setSession

private final Unit setSession(PassiveFaceCaptureSession session)

Passive Face Capture Session

setTvInstructions

private final Unit setTvInstructions(TextView tvInstructions)

The text view to show instructions to the user

setupComponents

private final Unit setupComponents()

This method is used to set up the components in this activity.

setUpListeners

private final Unit setUpListeners()

This method is used to set up the listeners for the components in this activity.

setupTapToFocusAndPinchToZoom

private final Unit setupTapToFocusAndPinchToZoom()

Set up the tap to focus and pinch to zoom

showErrorDialog

private final Unit showErrorDialog(SenseCryptSdkException error)

Show an error dialog to the user. It handles SenseCryptSdkException.LivenessFailed, SenseCryptSdkException.ExtremeHeadPoseDetected, and SenseCryptSdkException.CaptureSessionTimeOut via the UIHelper methods while leaving other errors to be handled by showGeneralErrorDialog.

showErrorInUIThread

private final Unit showErrorInUIThread(SenseCryptSdkException error)

This method is used to show an error in the UI thread

showGeneralErrorDialog

private final Unit showGeneralErrorDialog(SenseCryptSdkException error)

Show general error dialog

showPinchToZoomHint

private final Unit showPinchToZoomHint()

This method is used to show the pinch to zoom hint.

startCamera

private final Unit startCamera()

Start the camera