HarmonyOS 人脸结果没有mPixelMap？

Question

现在用的HarmonyOS人脸，routeMode用的back模式，callback里取到的回调result里没有mPixelMap。

interactiveLiveness.startLivenessDetection(routerOptions,
  (err: BusinessError, result: interactiveLiveness.InteractiveLivenessResult | undefined) => {
    if (err.code !== 0 && !result) {
      return;
    }
    const imagePackerApi: image.ImagePacker = image.createImagePacker();
    let packOpts: image.PackingOption = { format: 'image/jpeg', quality: 100 };
    console.log(JSON.stringify(this.result))
    imagePackerApi.packing(this.result?.mPixelMap, packOpts).then((data: ArrayBuffer) => {
      let buf: buffer.Buffer = buffer.from(data);
      this.base64 = 'data:image/jpeg;base64,' + buf.toString('base64', 0, buf.length);
      // let JnlNo:string =  msg.Params as string;
      let parmDic: Map<string, string> = new Map();
      // parmDic['JnlNo'] = JnlNo;
      parmDic['WsType'] = '2';
      parmDic['states'] = 'success';
      parmDic['FacePhoto'] = this.base64;
      console.log(JSON.stringify(parmDic))
    })
  }

打印结果：

09-05 14:01:22.926   21147-21147   A03D00/JSAPP                    com.examp..._harmony  I     zyh{"livenessType":0}

Answer 1

使用getInteractiveLivenessResult拿到图片数据mPixelMap，人脸活体的这个验证结果返回，相关文档：https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/vision-interactive-liveness-V5\#section19136935154313