let circle = UIView(
    frame: CGRect(x: 0.0, y: 0.0, width: 64.0, height: 64.0)
)

circle.center = containerView.center
circle.backgroundColor = UIColor.blue
circle.layer.borderColor = UIColor.blue.cgColor
circle.layer.cornerRadius = 32.0
circle.layer.borderWidth = 2.0
containerView.addSubview(circle)