Buy Button

gistfile1.txt

import UIKit

class BuyButton: UIView {
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        
        //MARK: - View
        backgroundColor = UIColor(red: 180/255, green: 35/255, blue: 115/255, alpha: 1)
        layer.cornerRadius = 3
        
        //MARK: - Price View
        let priceView = UIView(frame: CGRect(x: 0, y: 0, width: 80, height: bounds.size.height))
        priceView.backgroundColor = UIColor.black
        addSubview(priceView)
        
        //MARK: - Purchase View
        let purchaseView = UIView(frame: CGRect(x: 80, y: 0, width: bounds.size.width - 80, height: bounds.size.height))
        purchaseView.backgroundColor = UIColor.red
        addSubview(purchaseView)
        
        //MARK: - Price Label
        let priceLabel = UILabel(frame: CGRect.zero)
        priceLabel.text = "$ 50.00"
        priceLabel.textAlignment = .center
        priceLabel.backgroundColor = .red
        priceLabel.translatesAutoresizingMaskIntoConstraints = false
        priceView.addSubview(priceLabel)
        
        //MARK: - Purchase Label
        let purchaseLabel = UILabel(frame: CGRect.zero)
        purchaseLabel.text = "Purchase"
        purchaseLabel.textAlignment = .center
        purchaseLabel.backgroundColor = .green
        purchaseLabel.translatesAutoresizingMaskIntoConstraints = false
        purchaseView.addSubview(purchaseLabel)
        
        //MARK: - View Constraints
        priceView.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
        priceView.topAnchor.constraint(equalTo: topAnchor).isActive = true
        priceView.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
        
        purchaseView.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true
        purchaseView.topAnchor.constraint(equalTo: topAnchor).isActive = true
        purchaseView.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
        
        priceView.centerXAnchor.constraint(equalTo: purchaseView.centerXAnchor).isActive = true
        
        //MARK: - Label Constraints
        priceLabel.centerXAnchor.constraint(equalTo: priceView.centerXAnchor).isActive = true
        priceLabel.centerYAnchor.constraint(equalTo: priceView.centerYAnchor).isActive = true
        purchaseLabel.centerXAnchor.constraint(equalTo: purchaseView.centerXAnchor).isActive = true
        purchaseLabel.centerYAnchor.constraint(equalTo: purchaseView.centerYAnchor).isActive = true
        
        //MARK: - Constraint priorities
        
    }
}