NavBar/AppDelegate.swift
/* |
Copyright (C) 2017 Apple Inc. All Rights Reserved. |
See LICENSE.txt for this sample’s licensing information |
Abstract: |
The application delegate class. |
*/ |
import UIKit |
@UIApplicationMain |
class AppDelegate: UIResponder, UIApplicationDelegate, UINavigationControllerDelegate { |
var window: UIWindow? |
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]?) -> Bool { |
(window!.rootViewController as! UINavigationController).delegate = self |
return true |
} |
// MARK: - UINavigationControllerDelegate |
/** |
* Force the navigation controller to defer to the topViewController for |
* its supportedInterfaceOrientations. This allows some of the demos |
* to rotate into landscape while keeping the rest in portrait. |
*/ |
func navigationControllerSupportedInterfaceOrientations(_ navigationController: UINavigationController) -> UIInterfaceOrientationMask { |
return navigationController.topViewController!.supportedInterfaceOrientations |
} |
} |
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