React Native Save captured images and video to custom folder on my device

takePicture = async () => {
        if (this.camera) {
          if (Platform.OS === 'android') {
            await this.checkAndroidPermission();
          }
            const options = { quality: 1 };
            const data = await this.camera.takePictureAsync(options);
            //save photo
            CameraRoll.save(data.uri, 'photo').then(onfulfilled => {
                ToastAndroid.show(`VidApp Photos: ${onfulfilled}`, ToastAndroid.SHORT);
            }).catch(error => {
                ToastAndroid.show(`${error.message}`, ToastAndroid.SHORT);
            });
        }
    };


    recordVideo = async () => {
      if (this.camera) {
          if (!this.state.recording)
              this.startRecording();
          else this.stopRecording();
      }
  }

  startRecording = async () => {
    this.setState({ recording: true });
    this.countRecordTime = setInterval(() => this.setState({ seconds: this.state.seconds + 1 }), 1000);
    const cameraConfig = { maxDuration: this.state.maxDuration };
    const data = await this.camera.recordAsync(cameraConfig);
    this.setState({ recording: false });
    CameraRoll.save(data.uri, 'video').then(onfulfilled => {
        ToastAndroid.show(`VidApp Videos: ${onfulfilled}`, ToastAndroid.SHORT)
    }).catch(error => ToastAndroid.show(`${error.message}`, ToastAndroid.SHORT));
}

stopRecording = () => {
    this.camera.stopRecording();
    clearInterval(this.countRecordTime);
    this.setState({ seconds: 0 });