SenseCrypt Android SDK/com.sensecrypt.sdk.demo.activities/QRScanActivity

QRScanActivity

public final class QRScanActivity extends AppCompatActivity implements QRCodeReaderListener

Activity to scan the QR code and navigate to a face capture activity

Constructors

QRScanActivity

public QRScanActivity QRScanActivity()

Types

Companion

public class Companion

Properties

barCodeReader

private final BarcodeReader barCodeReader

The QR code reader

camera

private Camera camera

The camera

cameraProviderFuture

private ListenableFuture<ProcessCameraProvider> cameraProviderFuture

The camera provider future

Companion

public final static QRScanActivity.Companion Companion

EXTRA_TYPE

private final static String EXTRA_TYPE

The extra for the type of the QR scan

flPinchToZoom

private FrameLayout flPinchToZoom

The frame view showing the pinch to zoom animation

isPinchToZoomHintShown

private Boolean isPinchToZoomHintShown

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

ivBack

private ImageView ivBack

The button to go back to the previous screen

ivGallery

private ImageView ivGallery

The image to select qr code from gallery

pvCamera

private PreviewView pvCamera

The camera view

qrAnalyzer

private QrAnalyzer qrAnalyzer

The scan analyzer which processes the QR code

qrPassword

private String qrPassword

The password entered by the user

TYPE_CLEAR_DATA

private final static String TYPE_CLEAR_DATA

When the EXTRA_TYPE is TYPE_CLEAR_DATA, the request is to get clear text data from QR

Functions

bindPreview

private final Unit bindPreview(ProcessCameraProvider cameraProvider)

This method is used to bind the preview to the camera.

createPasswordDialog

private final Dialog createPasswordDialog(View.OnClickListener continueListener)

This method is used to create a dialog to enter the password

getBarCodeReader

private final BarcodeReader getBarCodeReader()

The QR code reader

getCamera

private final Camera getCamera()

The camera

getCameraProviderFuture

private final ListenableFuture<ProcessCameraProvider> getCameraProviderFuture()

The camera provider future

getFlPinchToZoom

private final FrameLayout getFlPinchToZoom()

The frame view showing the pinch to zoom animation

getIvBack

private final ImageView getIvBack()

The button to go back to the previous screen

getIvGallery

private final ImageView getIvGallery()

The image to select qr code from gallery

getPvCamera

private final PreviewView getPvCamera()

The camera view

getQrAnalyzer

private final QrAnalyzer getQrAnalyzer()

The scan analyzer which processes the QR code

getQrPassword

private final String getQrPassword()

The password entered by the user

hidePinchToZoomHint

private final Unit hidePinchToZoomHint()

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

isClearTextRequest

private final Boolean isClearTextRequest()

This method is used to check if the request is for clear text data.

isPinchToZoomHintShown

private final Boolean isPinchToZoomHintShown()

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

navigateToNextActivity

private final Unit navigateToNextActivity(SensePrintInfo spInfo, ByteArray spBytes, String password)

For navigating to next activity based on qr scan type

onActivityResult

protected Unit onActivityResult(Integer requestCode, Integer resultCode, Intent data)

onCreate

protected Unit onCreate(Bundle savedInstanceState)

onPause

protected Unit onPause()

onProcessingError

public Unit onProcessingError()

Called when an error occurs while processing the QR code.

onQRCodeBytesAvailable

public Unit onQRCodeBytesAvailable(ByteArray qrBytes)

This method is used to handle the QR code bytes once they are available.

onResume

protected Unit onResume()

Reset state and start camera when the activity is resumed

processQR

private final Unit processQR(SensePrintInfo spInfo, ByteArray spBytes)

This method is used to process the QR code once it is scanned.

setCamera

private final Unit setCamera(Camera camera)

The camera

setCameraProviderFuture

private final Unit setCameraProviderFuture(ListenableFuture<ProcessCameraProvider> cameraProviderFuture)

The camera provider future

setFlPinchToZoom

private final Unit setFlPinchToZoom(FrameLayout flPinchToZoom)

The frame view showing the pinch to zoom animation

setIvBack

private final Unit setIvBack(ImageView ivBack)

The button to go back to the previous screen

setIvGallery

private final Unit setIvGallery(ImageView ivGallery)

The image to select qr code from gallery

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 camera view

setQrAnalyzer

private final Unit setQrAnalyzer(QrAnalyzer qrAnalyzer)

The scan analyzer which processes the QR code

setQrPassword

private final Unit setQrPassword(String qrPassword)

The password entered by 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()

This method is used to set up the tap to focus and pinch to zoom functionality.

showErrorDialog

private final Unit showErrorDialog(SenseCryptSdkException e)

This method is used to show an error dialog.

showInvalidQr

private final Unit showInvalidQr()

This method is used to show an error message when the QR code is invalid.

showPasswordDialog

private final Unit showPasswordDialog(SensePrintInfo spInfo, ByteArray spBytes)

This method is used to show a dialog to enter the password.

showPasswordIncorrectDialog

private final Unit showPasswordIncorrectDialog(SensePrintInfo spInfo, ByteArray spBytes)

This method is used to show a dialog to indicate that the password is incorrect.

showPinchToZoomHint

private final Unit showPinchToZoomHint()

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

startCamera

private final Unit startCamera()

This method is used to start the camera.