Simple Method to capture image and provide it to RNTextDetector

processImage.js

  /**
   * processImage
   *
   * Responsible for getting image from react native camera and
   * starting image processing.
   *
   * @param {string} uri              Path for the image to be processed
   * @param {object} imageProperties  Other properties of image to be processed
   * @memberof App
   * @author Zain Sajjad
   */
  processImage = async (uri, imageProperties) => {
    const visionResp = await RNTextDetector.detectFromUri(uri);
    if (!(visionResp && visionResp.length > 0)) {
      throw "UNMATCHED";
    }
    this.setState({
      visionResp: this.mapVisionRespToScreen(visionResp, imageProperties)
    });
  };