Simple circular view where corner radius is controled by the shortes side of the view

CircularView.swift

//
//  CircularView.swift
//

import Foundation
import UIKit

class CircularView: UIView {
  override func layoutSubviews() {
    super.layoutSubviews()
    layer.cornerRadius = CGFloat(min(bounds.width / 2, bounds.height / 2))
    layer.masksToBounds = true
  }
}