import UIKit import CoreData class ToDoStore: NSManagedObject { @NSManaged var memo:String @NSManaged var date:NSDate } import UIKit import CoreData @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? /* 以下1行追加 */ var myNavigationController: UINavigationController? func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: