.swift

    override func awakeFromNib() {
        super.awakeFromNib()
        // Initialization code
        
        let shapeLayer = CAShapeLayer()
        shapeLayer.strokeColor = UIColor(rgb: 0xEEEEEE).cgColor
        shapeLayer.lineWidth = 1
        // passing an array with the values [2,3] sets a dash pattern that alternates between a 2-user-space-unit-long painted segment and a 3-user-space-unit-long unpainted segment
        shapeLayer.lineDashPattern = [2,3]

        let path = CGMutablePath()
        path.addLines(between: [CGPoint(x: 0, y: 0),
                                CGPoint(x: UIScreen.main.bounds.size.width - 20, y: 0)])
        shapeLayer.path = path
        dashView.layer.addSublayer(shapeLayer)
    }