MuiltiMedia_CameraDeviceCallback

Overview

Defines the CameraDeviceCallback class to response to device changes.

Since:

1.0

Version:

1.0

Summary

Files

File Name Description
camera_device_callback.h Declares functions in the CameraDeviceCallback class to response to device changes.

Data Structures

Data Structure Name Description
OHOS::Media::CameraDeviceCallback Provides functions to response to device changes.

Functions

Function Name Description
OHOS::Media::CameraDeviceCallback::CameraDeviceCallback ()=default A constructor used to create a CameraDeviceCallback instance.
OHOS::Media::CameraDeviceCallback::~CameraDeviceCallback ()=default virtual A destructor used to delete the CameraDeviceCallback instance.
OHOS::Media::CameraDeviceCallback::OnCameraStatus (std::string cameraId, int32_t status) virtual void Called when the camera state changes.

Details

Function Documentation

CameraDeviceCallback()


1. OHOS::Media::CameraDeviceCallback::CameraDeviceCallback ()

Description:

A constructor used to create a CameraDeviceCallback instance.

OnCameraStatus()


1. virtual void OHOS::Media::CameraDeviceCallback::OnCameraStatus (std::string cameraId, int32_t status )

Description:

Called when the camera state changes.

Parameters:

Name Description
cameraId Indicates the camera ID.
status Indicates the camera state.

~CameraDeviceCallback()


1. virtual OHOS::Media::CameraDeviceCallback::~CameraDeviceCallback ()

Description:

A destructor used to delete the CameraDeviceCallback instance.