func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! SimpleExampleSubCell
        cell.backgroundColor = UIColor.init(white: 0.10, alpha: 0.25)
        cell.infoLine2TextVw.text = ""
        cell.infoLine3TextVw.text = ""
        if let heading_name = self.dict_dict_holder[indexPath.item]["Name"]{
            cell.headerTextVw.text = heading_name
            cell.infoLine1TextVw.text = self.dict_dict_holder[indexPath.item]["Phone"]
        }
        cell.bringSubview(toFront: cell.headerTextVw)
        cell.favorite_button.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(AddFavorite(withSender:))))
        return cell
    }


    @objc func AddFavorite(withSender sender:UIButton){
        print("clicked")
        //The line below fails each time I run it.
        sender.setImage(newImage.png,.normal)
    }