2 레이아웃

//

//  ViewController.swift

//  layout2

//

//  Created by MacBookPro on 2017. 11. 16..

//  Copyright © 2017년 MacBookPro. All rights reserved.

//

import UIKit

class ViewController: UIViewController {

    // view 객체? 만들기

    let view_1 = UIView()

    let view_2 = UIView()

    let view_3 = UIView()

    let view_4 = UIView()

    let view_5 = UIView()

    

    

    override func viewDidLoad() {

        super.viewDidLoad()

        

        //메인 view에 집어 넣기

        view.addSubview(view_1)

        view.addSubview(view_2)

        view.addSubview(view_3)

        view.addSubview(view_4)

        view.addSubview(view_5)

        

        //view_1 검정에 대한 설정

        view_1.translatesAutoresizingMaskIntoConstraints = false

        view_1.backgroundColor = UIColor.black

        view_1.widthAnchor.constraint(equalToConstant: view.bounds.size.width - 100).isActive = true

        view_1.heightAnchor.constraint(equalToConstant: 100).isActive = true

        

        view_2.translatesAutoresizingMaskIntoConstraints = false

        view_2.backgroundColor = UIColor.purple

        view_2.widthAnchor.constraint(equalToConstant: 100).isActive = true

        view_2.heightAnchor.constraint(equalToConstant: view.bounds.size.height - 100).isActive = true

        //view_2를 기준으로 왼쪽에 있는 녀석은~

        view_2.leftAnchor.constraint(equalTo: view_1.rightAnchor).isActive = true

        

        

        view_3.translatesAutoresizingMaskIntoConstraints = false

        view_3.backgroundColor = UIColor.brown

        view_3.widthAnchor.constraint(equalToConstant: view.bounds.size.width - 100).isActive = true

        view_3.heightAnchor.constraint(equalToConstant: 100).isActive = true

        view_3.rightAnchor.constraint(equalTo: view.rightAnchor).isActive = true

        view_3.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true

        

        view_4.translatesAutoresizingMaskIntoConstraints = false

        view_4.backgroundColor = UIColor.blue

        view_4.widthAnchor.constraint(equalToConstant: 100).isActive = true

        view_4.heightAnchor.constraint(equalToConstant: view.bounds.size.height - 100).isActive = true

        //view_4의 위쪽에 있는 녀석은 ~

        view_4.topAnchor.constraint(equalTo: view_1.bottomAnchor).isActive = true

        

        

        view_5.translatesAutoresizingMaskIntoConstraints = false

        view_5.backgroundColor = UIColor.yellow

        view_5.heightAnchor.constraint(equalToConstant: view.bounds.size.height - 200).isActive = true

        view_5.widthAnchor.constraint(equalToConstant: view.bounds.size.width - 200).isActive = true

        view_5.topAnchor.constraint(equalTo: view_1.bottomAnchor).isActive = true

        view_5.leftAnchor.constraint(equalTo: view_4.rightAnchor).isActive = true

        

    }

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

}

출처: 하울의 코딩채널