RustemAqtau

extension UIButton {
    convenience init(title: String,
                     backgroundColor: UIColor, 
                     font: UIFont?,
                     isShadow: Bool,
                     cornerRadius: CGFloat
                     titleColor: UIColor) {
       
      self.init(type: .system) //инициализатор через type
      

RustemAqtau

import SwiftUI

struct ViewControllerProvider: PreviewProvider {
    static var previews: some View {
        ContainerView().edgesIgnoringSafeArea(.all)
    }
    
    struct ContainerView:UIViewControllerRepresentable {
        
        let viewController = ViewController()

RustemAqtau

//1. Open info.plist
//2.Remove unnecesary storyboard settings from info.plist

import UIKit

class SceneDelegate: UIResponder, UIWindowSceneDelegate {

    var window: UIWindow?

RustemAqtau

import UIKit

class ButtonFormView: UIView {
    
    init(label: UILabel, button: UIButton) {
        super.init(frame: .zero)
        
        self.translatesAutoresizingMaskIntoConstraints = false
        label.translatesAutoresizingMaskIntoConstraints = false
        button.translatesAutoresizingMaskIntoConstraints = false

RustemAqtau

import UIKit

extension UIView {
    func anchor(top: NSLayoutYAxisAnchor? = nil,
                left: NSLayoutXAxisAnchor? = nil,
                bottom: NSLayoutYAxisAnchor? = nil,
                right: NSLayoutXAxisAnchor? = nil,
                paddingTop: CGFloat = 0,
                paddingLeft: CGFloat = 0,
                paddingBottom: CGFloat = 0,

RustemAqtau

struct UIFactory {
    
    struct Utility {
        
        static func box(color: NSColor = .white, superview: NSView? = nil) -> NSBox {
            let box = NSBox(frame: .zero)
            box.boxType = .custom
            box.borderColor = .clear
            box.titlePosition = .noTitle
            box.fillColor = color

RustemAqtau

class AppDelegate : UIResponder, UIApplicationDelegate {
    var window : UIWindow?
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]?)
        -> Bool {
    
            // if self.window is nil then set a new UIWindow object to self.window.
        /*    self.window = self.window ?? UIWindow()
            
            // Set self.window's background color to red.
            self.window!.backgroundColor = UIColor.red

RustemAqtau

import UIKit

class MainTabBarController: UITabBarController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        let listViewController = ListViewController()
        let peopleViewController = PeopleViewController()
        

RustemAqtau

import UIKit

class MainTabBarController: UITabBarController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        
        view.backgroundColor = .white
        

RustemAqtau

extension UIFont {

 static func avenir20() -> UIFont? {
  return UIFont.init(name: "avenir", size: 20) 
 }
  
   static func avenir26() -> UIFont? {
  return UIFont.init(name: "avenir", size: 26) 
 }
}