View Controller

Integration of MobaiBiometric ViewController with complete UI

Initialization and calling present of MBCaptureSessionViewController

let viewController = MBCaptureSessionViewController(options: .init())
viewController.delegate = self
self.present(viewController, animated: true, completion: nil)

Delegate

MBCaptureSessionVCDelegate

onSuccess is executed for MBCaptureSession class when the capture session is successfully finished @param result contains a list of frames.

func onSuccess(result: MBCaptureSessionResult) { }

onFailure is executed for MBCaptureSessionService class when the camera can not be @param error describes whether there is a camera or face failure

func onFailure(error: MBCaptureSessionError) { }

onPresentedDismissTapped is executed when the user close the screen from the X button

func onPresentedDismissTapped() { }

Options

Inside the library, we have some options for changing the behaviour of capturing data:

Variable Name	Type	Default Value
autoCaptureEnabled	boolean	true
numberOfFramesBeforeCapture	number	10
numberOfFrameToCollect	number	5
frameInterval	number	10
faceQualityEnabled	boolean	false
timeBeforeAutomaticCapture	number	4
isDebugging	boolean	false
cameraPosition	CameraPostion	.front
presentedDismissButtonEnabled	boolean	false
targetResolutionPad	MBTargetResolution	.hd1920x1080
previewScaleType	MBPreviewScaleType	.fill

Description

• autoCaptureEnabled
  • tells whether the capture is automatic or manual:
    • Automatic: Automatically take an image with a specific time that you can configure with timeBeforeAutomaticCapture
    • Manual: Manually take an image with the help of a button that the library shows
• numberOfFramesBeforeCapture
  • describes a number of the frame that the library capture before starting the process of capturing
• numberOfFrameToCollect
  • describes the number of frames to collect during the capture session.
• frameInterval
  • After collecting the first frame, is the number of frames to skip before collecting a frame.
• faceQualityEnabled
  • to capture an image in a higher resolution
• timeBeforeAutomaticCapture
  • number of seconds that the user needs to wait in automatic capture
• isDebugging
  • it helps to check if constraints are working as expected
  • for the moment, we provide debug text for face
    • Too Far Away
    • Too Close
    • Too Far Up
    • Too Far Down
    • Too Far Left
    • No Face Found
    • Mouth Not Found
    • Valid Face
• cameraPosition
  • option to select the side of the camera|
    • Front
    • Back
• presentedDismissButtonEnabled
  • option to add or remove the dismiss button at the top (This works only with the ViewController approach)
• targetResolutionPad
  • option to change the resolution of the camera
• previewScaleType
  • Fill: Resize the video preview to fill the layer and keep the aspect ratio
  • Fit: Resize the video preview to fit inside the layer and keep the aspect ratio

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