SWRevealBasics-AppDelegate.swift

import UIKit
import SWRevealViewController

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    
    /// swRevealContainer
    var swContainer : SWRevealViewController?
    
    /// main navigaion controller
    var navigationController : UINavigationController?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        
        guard #available(iOS 13, *) else {
            window = UIWindow(frame: UIScreen.main.bounds)
            
            //instantiate SWRevealController
            swContainer = SWRevealViewController()
            
            /// frontViewController
            let frontVC = FrontViewController()
            
            /// menuViewController
            let menuVC = MenuViewController()
            
            //set frontVC as root of navigationController
            navigationController = UINavigationController(rootViewController: frontVC)
            
            //set navigaitionController as frontViewController of SWRevealController
            swContainer?.frontViewController = navigationController
            
            //set menuController as rearViewController of SWRevealController
            swContainer?.rearViewController = menuVC
            
            //set swContainer as root of window
            window?.rootViewController = swContainer
            
            //make window key and visible
            window?.makeKeyAndVisible()
            
            return true
            
        }
        return true
    }

    // MARK: UISceneSession Lifecycle
    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
        // Called when a new scene session is being created.
        // Use this method to select a configuration to create the new scene with.
        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
    }

    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
        // Called when the user discards a scene session.
        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
    }


}