Add 2048 Game

Examples/2048 Game/SwiftUI2048/AppDelegate.swift

@@ -0,0 +1,58 @@
+//
+//  AppDelegate.swift
+//  SwiftUI2048
+//
+//  Created by Hongyu on 6/5/19.
+//  Copyright © 2019 Cyandev. All rights reserved.
+//
+
+import UIKit
+import SwiftUI
+
+@UIApplicationMain
+class AppDelegate: UIResponder, UIApplicationDelegate {
+
+    var gameLogic: GameLogic!
+    var window: UIWindow?
+    
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        
+        gameLogic = GameLogic()
+        
+        window = UIWindow(frame: UIScreen.main.bounds)
+        window!.rootViewController = UIHostingController(rootView:
+            GameView().environmentObject(gameLogic)
+        )
+        window!.makeKeyAndVisible()
+        
+        self.becomeFirstResponder()
+        
+        return true
+    }
+
+    func applicationWillTerminate(_ application: UIApplication) {
+        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+    }
+    
+    @objc func newGame(_ sender: AnyObject?) {
+        gameLogic.newGame()
+    }
+    
+    override func buildCommands(with builder: UICommandBuilder) {
+        builder.remove(menu: .edit)
+        builder.remove(menu: .format)
+        builder.remove(menu: .view)
+        
+        builder.replaceChildren(ofMenu: .file) { oldChildren in
+            var newChildren = oldChildren
+            let newGameItem = UIMutableKeyCommand(input: "N",
+                                                  modifierFlags: .command,
+                                                  action: #selector(newGame(_:)))
+            newGameItem.title = "New Game"
+            newChildren.insert(newGameItem, at: 0)
+            return newChildren
+        }
+    }
+
+}
+