// 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.
    }

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        window = UIWindow()
        window?.rootViewController = ViewController()
        window?.makeKeyAndVisible()

        return true
    }    
}

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.

        view.backgroundColor = .blue
    }
}

pod 'DZNEmptyDateSet'

class ViewController: UIViewController {
  func viewDidLoad() {
    self.viewDidLoad()

    self.tableView.emptyDataSetSource = self
    self.tableView.emptyDataSetDelegate = self
  }
}

// MARK: DZNEmptyDataSetDelegate
extension ViewController: DZNEmptyDataSetDelegate {
    // 스크롤 권한 요청 > default는 false
    func emptyDataSetShouldAllowScroll(_ scrollView: UIScrollView!) -> Bool {
        return true/false
    }
}

// MARK: DZNEmptyDataSetSource
extension ViewController: DZNEmptyDataSetSource {
    // 비어있는 상태의 이미지 설정
    func image(forEmptyDataSet scrollView: UIScrollView!) -> UIImage! {
        return
    }
    // 비어있는 상태의 제목 설정
    func title(forEmptyDataSet scrollView: UIScrollView!) -> NSAttributedString! {
        return
    }
}