程序包 ohos.media.camera.device

类 CameraDeviceCallback

java.lang.Object

ohos.media.camera.device.CameraDeviceCallback

public abstract class CameraDeviceCallback
extends Object

Provides callbacks for camera usage states.

The camera becomes available whenever it is not in use or newly connected. The camera becomes unavailable whenever it is in use or disconnected.

从以下版本开始:

1

SystemCapability

SystemCapability.Multimedia#CAMERA

嵌套类概要

嵌套类

限定符和类型	类	说明
static interface	CameraDeviceCallback.CameraStatus	Defines camera states.
static interface	CameraDeviceCallback.FlashlightStatus	Defines flashlight states.

构造器概要

构造器

构造器	说明
CameraDeviceCallback()

方法概要

限定符和类型	方法	说明
void	onCameraStatus(String cameraId, int status)	Called when the logical camera status changes.
void	onFlashlightStatus(String cameraId, int status)	Called when the flashlight status changes.
void	onPhysicalCameraStatus(String cameraId, int status)	Called when the physical camera status changes.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

CameraDeviceCallback

public CameraDeviceCallback()

方法详细资料

onCameraStatus

public void onCameraStatus(String cameraId,
                           int status)

Called when the logical camera status changes.

参数:

cameraId - Indicates the logical camera ID.

Indicates - the camera status defined in CameraDeviceCallback.CameraStatus.

从以下版本开始:

3

onPhysicalCameraStatus

public void onPhysicalCameraStatus(String cameraId,
                                   int status)

Called when the physical camera status changes.

参数:

cameraId - Indicates the physical camera ID.

Indicates - the camera status defined in CameraDeviceCallback.CameraStatus.

从以下版本开始:

3

onFlashlightStatus

public void onFlashlightStatus(String cameraId,
                               int status)

Called when the flashlight status changes.

参数:

cameraId - Indicates the camera ID.

Indicates - the camera status defined in CameraDeviceCallback.CameraStatus.

initial