Camera chụp ảnh giao diện hẳn là như thế nào kéo?

import { common } from '@kit.AbilityKit';
import { camera, cameraPicker } from '@kit.CameraKit';
import { BusinessError } from '@kit.BasicServicesKit';

let context = getContext(this) as common.Context;

async function startCameraPicker() {
try {
let pickerProfile: cameraPicker.PickerProfile = {
cameraPosition: camera.CameraPosition.CAMERA_POSITION_BACK
};
let pickerResult: cameraPicker.PickerResult = await cameraPicker.pick(context,
[cameraPicker.PickerMediaType.PHOTO, cameraPicker.PickerMediaType.VIDEO], pickerProfile);
console.log( "the pick pickerResult is:" + JSON.stringify(pickerResult));
} catch (error) {
let err = error as BusinessError;
console.error(`the pick call failed. error code: ${err.code}`);
}
}

@Entry
@Component
struct StartCameraPickerView {
build() {
Column() {
Button( "Điểm đánh kéo camera" )
.onClick(() => startCameraPicker())
}
.width( "100%" )
.height( "100%" )
.justifyContent(FlexAlign.Center)
.alignItems(HorizontalAlign.Center)
}
}