customview.swift

//
//  MyCustomView.swift
//  CustomView
//
//  Created by JK on 12/04/2018.
//  Copyright © 2018 JK. All rights reserved.
//

import UIKit

class MyCustomView: UIView {
    
    override init(frame: CGRect) { // by code
        super.init(frame: frame)
        configuration()
    }
    
    //---------------------------
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        //
    }
    
    required init?(coder aDecoder: NSCoder) { // by Unarchiver -
        super.init(coder: aDecoder)
        //
        configuration()
    }
    
    private func configuration() {
        self.layer.cornerRadius = 100
        self.layer.masksToBounds = true
        
        let layer = CALayer.init()
        layer.backgroundColor = UIColor.yellow.cgColor
        
        layer.frame = self.frame.insetBy(dx: 30, dy: 30)
        layer.cornerRadius = 100
        layer.masksToBounds = true
        layer.borderWidth = 10
        layer.borderColor = UIColor.purple.cgColor
        
        self.layer.addSublayer(layer)
        self.layer.borderWidth = 10
        self.layer.borderColor = UIColor.purple.cgColor
    }
    
    override func draw(_ rect: CGRect) {
        super.draw(rect)
        // Drawing code
        
        let context = UIGraphicsGetCurrentContext()
        context?.setFillColor(UIColor.red.cgColor)
        context?.fill(rect)
    }

}