CameraXSource

public class CameraXSource extends Object
implements LifecycleOwner

Manages the camera in conjunction with an underlying Detector and DetectionTaskCallback. This receives preview frames from the camera at a specified rate, sending those frames to the detector as fast as it is able to process those frames.

This camera source is using CameraX APIs internally.

The following Android permission is required to use the camera:

• android.permissions.CAMERA

Public Constructor Summary

	CameraXSource(CameraSourceConfig cameraSourceConfig) Create a CameraXSource with given CameraSourceConfig.
	CameraXSource(CameraSourceConfig cameraSourceConfig, PreviewView previewView) Create a CameraXSource with given CameraSourceConfig and a PreviewView for the preview frames to be displayed to the user.

Public Method Summary

void	close() Closes the camera and releases the resources of the camera and underlying detector.
int	getCameraFacing() Returns the selected camera; one of CameraSourceConfig.CAMERA_FACING_BACK or CameraSourceConfig.CAMERA_FACING_FRONT.
Size	getPreviewSize() Returns the preview size that is currently in use by the underlying camera.
void	start() Opens the camera and starts sending preview frames to the underlying detector.
void	stop() Stops the camera and releases the resources of the camera.

Inherited Method Summary

From class java.lang.Object

Object	clone()
boolean	equals(Object arg0)
void	finalize()
final Class<?>	getClass()
int	hashCode()
final void	notify()
final void	notifyAll()
String	toString()
final void	wait(long arg0, int arg1)
final void	wait(long arg0)
final void	wait()

From interface androidx.lifecycle.LifecycleOwner

abstract Lifecycle

getLifecycle()

Public Constructors

public CameraXSource (CameraSourceConfig cameraSourceConfig)

Create a CameraXSource with given CameraSourceConfig.

public CameraXSource (CameraSourceConfig cameraSourceConfig, PreviewView previewView)

Create a CameraXSource with given CameraSourceConfig and a PreviewView for the preview frames to be displayed to the user.

Public Methods

public void close ()

Closes the camera and releases the resources of the camera and underlying detector.

public int getCameraFacing ()

Returns the selected camera; one of CameraSourceConfig.CAMERA_FACING_BACK or CameraSourceConfig.CAMERA_FACING_FRONT.

public Size getPreviewSize ()

Returns the preview size that is currently in use by the underlying camera. The result could be null if the PreviewView has not been started.

public void start ()

Opens the camera and starts sending preview frames to the underlying detector.

public void stop ()

Stops the camera and releases the resources of the camera.