let emptyView = UIView(
                frame: CGRect(
                        x: tableView.center.x,
                        y: tableView.center.y,
                        width: tableView.bounds.size.width,
                        height: tableView.bounds.size.height
                )
        )
        guard let spinnerImage = UIImage(named: "spinner") else {
            return
        }
        let spinnerImageView = UIImageView(image: spinnerImage)
        emptyView.addSubview(spinnerImageView)

        spinnerImageView.translatesAutoresizingMaskIntoConstraints = false
        let horizontalConstraint = NSLayoutConstraint(
                item: spinnerImageView,
                attribute: NSLayoutConstraint.Attribute.centerX,
                relatedBy: NSLayoutConstraint.Relation.equal,
                toItem: emptyView,
                attribute: NSLayoutConstraint.Attribute.centerX,
                multiplier: 1,
                constant: 0
        )
        let verticalConstraint = NSLayoutConstraint(
                item: spinnerImageView,
                attribute: NSLayoutConstraint.Attribute.centerY,
                relatedBy: NSLayoutConstraint.Relation.equal,
                toItem: emptyView,
                attribute: NSLayoutConstraint.Attribute.centerY,
                multiplier: 1,
                constant: 0
        )
        spinnerImageView.addConstraints([horizontalConstraint, verticalConstraint])