com.microblink.view

Interface CameraEventsListener

All Superinterfaces:

AutofocusListener

All Known Implementing Classes:

BaseScanActivity, Pdf417ScanActivity

public interface CameraEventsListener
extends AutofocusListener

Created by dodo on 06/10/14.

Method Summary

Modifier and Type	Method and Description
void	onCameraPermissionDenied() Called on Android 6.0 and newer when runtime camera permission was not given to the app.
void	onCameraPreviewStarted() Called just after camera preview has successfully started and no exceptions occurred.
void	onCameraPreviewStopped() Called inside pause method of CameraView just haver camera preview has been stopped.
void	onError(java.lang.Throwable exc) Called when recognition results with exception.

Methods inherited from interface com.microblink.hardware.camera.AutofocusListener

onAutofocusFailed, onAutofocusStarted, onAutofocusStopped

Method Detail

onCameraPreviewStarted

void onCameraPreviewStarted()

Called just after camera preview has successfully started and no exceptions occurred. When this method is called, it means that from now on, frames will arrive and preview will be shown.

onCameraPreviewStopped

void onCameraPreviewStopped()

Called inside pause method of CameraView just haver camera preview has been stopped. After this method is called, frames will no longer arrive nor will be shown.

onError

void onError(java.lang.Throwable exc)

Called when recognition results with exception. Known exceptions that can occur are following: * com.microblink.hardware.camera.CameraResolutionTooSmallException is thrown when largest possible camera preview resolution is not enough for making a successful scan * java.lang.UnsatisfiedLinkError is thrown when native library was not successfully loaded thus making scans impossible * com.microblink.recognition.RecognizerError is thrown when initialization or reinitialization of native recognizer fails * com.microblink.recognition.FeatureNotSupportedException is thrown when scanning cannot be performed. The reason why scanning cannot be perfomed can be obtained by calling getReason() method of thrown exception. * java.lang.Throwable is thrown in all other cases (for example when camera is not ready because it is used by other apps or some unknown error has occurred)

Parameters:

exc - Exception that occurred during recognition.

onCameraPermissionDenied

void onCameraPermissionDenied()

Called on Android 6.0 and newer when runtime camera permission was not given to the app. You should implement this callback by requesting camera permission from user.