【HarmonyOS 5】Invoking the System Camera for Photo and Video Capture in HarmonyOS Applications

let pathDir = getContext().filesDir;
let fileName = `${new Date().getTime()}`;
let filePath = pathDir + `/${fileName}.tmp`;
fileIo.createRandomAccessFileSync(filePath, fileIo.OpenMode.CREATE);
let uri = fileUri.getUriFromPath(filePath);
let pickerProfile: picker.PickerProfile = {
  cameraPosition: camera.CameraPosition.CAMERA_POSITION_BACK,
  saveUri: uri // Path to save the captured image
};
let result: picker.PickerResult = await picker.pick(
  getContext(), 
  [picker.PickerMediaType.PHOTO], 
  pickerProfile
);
console.info(`picker resultCode: ${result.resultCode}, resultUri: ${result.resultUri}, mediaType: ${result.mediaType}`);
if (result.resultCode === 0) {
  if (result.mediaType === picker.PickerMediaType.PHOTO) {
    this.imgSrc = result.resultUri;
  }
}

private async thirdPartyCall(supportMultiMode: boolean) {
  this.isCrop = false;
  console.log("thirdPartyCall savePath=" + this.savePath);
  
  // Launch camera intent
  let want: Want = {
    "action": 'ohos.want.action.imageCapture',
    "parameters": {
      supportMultiMode: supportMultiMode,
      // Important: Callback bundle name must match to access the returned URI
      callBundleName: "com.example.persontest"
    }
  };
  // Handle result
  if (this.context) {
    let result: common.AbilityResult = await this.context.startAbilityForResult(want);
    let params = result?.want?.parameters as Record<string, string | number>;
    let imagePathSrc = params?.resourceUri as string;
    
    console.info(this.TAG, 'thirdPartyCall imagePathSrc= ' + imagePathSrc);
    console.info(this.TAG, 'thirdPartyCall params= ' + JSON.stringify(params));
    
    await this.getImage(imagePathSrc);
  }
}