[Swift] 작업영역에서 Statusbar 제외하기

아래 코드 참고.

import UIKit
import SnapKit
import Foundation

class MyMainView: UIViewController {

    let safetyArea: UIView = {
        let v = UIView()
        
        return v
    }()
    
    lazy var myButtonTop: UIButton = {
        let btn = UIButton()
        btn.setTitle("My Button(T)", for: .normal)
        btn.backgroundColor = UIColor.blue
        return btn
    }()
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        setBaseView()
        setView()
    }
    
    
    
    func setBaseView(){
        safetyArea.translatesAutoresizingMaskIntoConstraints = false
        view.addSubview(safetyArea)
        if #available(iOS 11, *) {
            let guide = view.safeAreaLayoutGuide
            safetyArea.topAnchor.constraint(equalTo: guide.topAnchor).isActive = true
            safetyArea.bottomAnchor.constraint(equalTo: guide.bottomAnchor).isActive = true
            safetyArea.leadingAnchor.constraint(equalTo: guide.leadingAnchor).isActive = true
            safetyArea.trailingAnchor.constraint(equalTo: guide.trailingAnchor).isActive = true
            
        } else {
            safetyArea.topAnchor.constraint(equalTo: topLayoutGuide.topAnchor).isActive = true
            safetyArea.bottomAnchor.constraint(equalTo: bottomLayoutGuide.bottomAnchor).isActive = true
            safetyArea.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
            safetyArea.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
        }
    }

    func setView() {
        safetyArea.addSubview(myButtonTop)
        myButtonTop.snp.makeConstraints { (make) in
            make.top.centerX.equalTo(safetyArea)
        }
    }
}