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.

checkFaceLiveness

private final Unit checkFaceLiveness()

Called for an on device liveness check after the face capture session is complete

getBinding

private final <Error class: unknown class> getBinding()

getCamera

private final Camera getCamera()

The camera object

getCameraProviderFuture

private final ListenableFuture<ProcessCameraProvider> getCameraProviderFuture()

The camera provider future

getCaptureAnalyzer

private final ActiveFaceCaptureAnalyzer getCaptureAnalyzer()

The capture analyzer, which processes frames from the camera

getIvBack

private final ImageView getIvBack()

The back button

getNumCompletedActions

private final UByte getNumCompletedActions()

The number of completed actions

getRootView

private final View getRootView()

The root view of the activity

getSession

private final ActiveFaceCaptureSession getSession()

The active face capture session

getVibrator

private final Vibrator getVibrator()

The vibrator service

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()

Called when the first frame is 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(ActiveFaceCaptureProcessingResult result)

Called when a processing result is available for a camera frame

onResume

protected Unit onResume()

resetSession

private final Unit resetSession()

Reset the session

resetUI

private final Unit resetUI()

Reset the UI to initial state

setBinding

private final Unit setBinding(<Error class: unknown class> binding)

setCamera

private final Unit setCamera(Camera camera)

The camera object

setCameraProviderFuture

private final Unit setCameraProviderFuture(ListenableFuture<ProcessCameraProvider> cameraProviderFuture)

The camera provider future

setCaptureAnalyzer

private final Unit setCaptureAnalyzer(ActiveFaceCaptureAnalyzer captureAnalyzer)

The capture analyzer, which processes frames from the camera

setIvBack

private final Unit setIvBack(ImageView ivBack)

The back button

setNumCompletedActions

private final Unit setNumCompletedActions(UByte numCompletedActions)

The number of completed actions

setRootView

private final Unit setRootView(View rootView)

The root view of the activity

setSession

private final Unit setSession(ActiveFaceCaptureSession session)

The active face capture session

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.

setVibrator

private final Unit setVibrator(Vibrator vibrator)

The vibrator service

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. It also handles unrecoverable errors via the UIHelper.processUnrecoverableError method. For recoverable errors, it shows a dialog using the showRecoverableErrorDialog method.

showErrorInUIThread

private final Unit showErrorInUIThread(SenseCryptSdkException error)

This method is used to show an error dialog in the UI thread. It ensures that the error dialog is shown on the main thread.

showRecoverableErrorDialog

private final Unit showRecoverableErrorDialog(UIHandledRecoverableError uiHandledError)

Show a dialog for a recoverable error

startCamera

private final Unit startCamera()

This method is used to start the camera preview.

updateAnimations

private final Unit updateAnimations(ActiveFaceCaptureStateName activeFaceCaptureState, ActiveFaceCaptureProcessingResult result)

Update animations based on the session state

updateCircleColor

private final Unit updateCircleColor(ActiveFaceCaptureStateName activeFaceCaptureState, ActiveFaceCaptureProcessingResult result)

Update circle color (the circle around the face) based on the Active Face Capture session state

updateInstructions

private final Unit updateInstructions(ActiveFaceCaptureStateName activeFaceCaptureState, ActiveFaceCaptureProcessingResult result)

Update instructions based on the Active Face Capture State

updateProgressTicks

private final Unit updateProgressTicks(ActiveFaceCaptureProcessingResult result)

Update progress ticks based on the number of completed actions

updateUI

private final Unit updateUI(ActiveFaceCaptureProcessingResult result)

Update UI based on a processing result

vibrate

private final Unit vibrate()

This method is used to vibrate the phone for haptic feedback when the user completes an action.