DCVCameraEnhancer Class

The class provides camera control APIs.

Property	Description
`createInstance`	Create a camera enhancer instance.
`open`	Open the camera.
`close`	Close the camera.
`selectCamera`	Select a camera (front-facing or back-facing camera).
`turnOnTorch`	Turn on the torch.
`turnOffTorch`	Turn off the torch.
`setScanRegion`	The property for users to specify the region of interest.

createInstance

Create a camera enhancer instance.

static Future<DCVCameraEnhancer> createInstance() async;

Return Value

A camera enhancer instance.

Code Snippet

late final DCVCameraEnhancer _cameraEnhancer;
_cameraEnhancer = await DCVCameraEnhancer.createInstance();

open

Open the camera.

Future open()

close

Close the camera.

Future close()

selectCamera

Select a camera (front-facing or back-facing camera).

Future selectCamera(EnumCameraPosition position)

Parameters

position: A Enumeration value that specify the camera position. User can either select the front facing camera or the back-facing camera.

Code Snippet

late final DCVCameraEnhancer _cameraEnhancer;
_cameraEnhancer = await DCVCameraEnhancer.createInstance();
await _cameraEnhancer.selectCamera(EnumCameraPosition.CP_FRONT)

turnOnTorch

Turn on the torch.

Future turnOnTorch()

Code Snippet

// Turn on the torch
_cameraEnhancer.turnOnTorch();
// Turn off the torch
_cameraEnhancer.turnOffTorch();

turnOffTorch

Turn off the torch.

Future turnOffTorch()

setScanRegion

The property for users to specify the region of interest.

Future setScanRegion(Region scanRegion)

Code Snippet

final DCVCameraEnhancer _cameraEnhancer = await DCVCameraEnhancer.createInstance();
Region scanRegion = Region(regionTop: 20, regionBottom: 80, regionLeft: 20, regionRight: 80, regionMeasuredByPercentage: true);
_cameraEnhancer.setScanRegion(scanRegion);