ucargiray

import UIKit
import SwiftUI

class FirstViewController: UIViewController {

    lazy var infoLabel: UILabel = {
        let view = UILabel()
        view.translatesAutoresizingMaskIntoConstraints = false
        view.text = "Initial Text"
        view.textAlignment = .center

ucargiray

import SwiftUI

struct ViewControllerPreview: UIViewControllerRepresentable {

    let viewControllerBuilder: () -> UIViewController

    init(_ viewControllerBuilder: @escaping () -> UIViewController) {
        self.viewControllerBuilder = viewControllerBuilder
    }

ucargiray

import SwiftUI

struct ContentView: View {

    @StateObject var userPreference = UserPreferences()

    var body: some View {
        ZStack() {
            Color(userPreference.darkMode ? .black : .white)
                .edgesIgnoringSafeArea(.all)

ucargiray

import Foundation

class UserPreferences : ObservableObject {
    @Published var darkMode = false
    @Published var notificationOn = false
}

ucargiray

@AddCustomWebsiteExtension var website  = "giray"

ucargiray

@propertyWrapper struct AddCustomWebsiteExtension {
    var wrappedValue : String {
        didSet {
            if !(wrappedValue.hasPrefix("https://") || wrappedValue.hasSuffix(".dev")) {
                self.wrappedValue = "https://" + wrappedValue + ".dev"
            }
        }
    }
    init(wrappedValue: String) {
        if wrappedValue.hasPrefix("https://") || wrappedValue.hasSuffix(".dev") {

ucargiray

import SwiftUI

struct ContentView: View {
    
    @State private var infoString : String?
    
    var body: some View {
        VStack {
            Text(infoString ?? "No name")
            Button("Change text") {

ucargiray

import UIKit

class ViewController: UIViewController {
    @IBOutlet weak var infoLabel: UILabel!
    var infoString : String?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        infoLabel.text = "Property Wrappers"
    }

ucargiray

import SwiftUI

struct ContentView: View {
    
    @State var text = ""
    
    var body: some View {
        VStack {
            TextField("Type here", text: $text)
                .textFieldStyle(RoundedBorderTextFieldStyle())

ucargiray

import SwiftUI

struct ContentView: View {
    
    @State var isOn = false
    
    var body: some View {
        ZStack {
            ContentView2(isOnFromContentView: $isOn)
            Button("Flip color") {