aws-appsync-realtime-client.../AppSyncRTCSample/SceneDelegate.swift

72 lines
2.9 KiB
Swift

//
// Copyright Amazon.com Inc. or its affiliates.
// All Rights Reserved.
//
// SPDX-License-Identifier: Apache-2.0
//
import os.log
import UIKit
import SwiftUI
class SceneDelegate: UIResponder, UIWindowSceneDelegate {
var window: UIWindow?
func scene(
_ scene: UIScene,
willConnectTo session: UISceneSession,
options connectionOptions: UIScene.ConnectionOptions
) {
// Use this method to optionally configure and attach the UIWindow `window` to the
// provided UIWindowScene `scene`. If using a storyboard, the `window` property
// will automatically be initialized and attached to the scene. This delegate does
// not imply the connecting scene or session are new (see
// `application:configurationForConnectingSceneSession` instead).
// Create the SwiftUI view that provides the window contents.
let contentView = ContentView()
// Use a UIHostingController as window root view controller.
if let windowScene = scene as? UIWindowScene {
let window = UIWindow(windowScene: windowScene)
window.rootViewController = UIHostingController(rootView: contentView)
self.window = window
window.makeKeyAndVisible()
}
}
func sceneDidDisconnect(_ scene: UIScene) {
// Called as the scene is being released by the system. This occurs shortly after
// the scene enters the background, or when its session is discarded. Release any
// resources associated with this scene that can be re-created the next time the
// scene connects. The scene may re-connect later, as its session was not
// neccessarily discarded (see `application:didDiscardSceneSessions` instead).
}
func sceneDidBecomeActive(_ scene: UIScene) {
// Called when the scene has moved from an inactive state to an active state. Use
// this method to restart any tasks that were paused (or not yet started) when the
// scene was inactive.
}
func sceneWillResignActive(_ scene: UIScene) {
// Called when the scene will move from an active state to an inactive state. This
// may occur due to temporary interruptions (ex. an incoming phone call).
OSLog.subscription.log("\(#function), unsubscribing", log: .subscription)
AppSyncRTCProvider.default.unsubscribe()
}
func sceneWillEnterForeground(_ scene: UIScene) {
// Called as the scene transitions from the background to the foreground. Use this
// method to undo the changes made on entering the background.
}
func sceneDidEnterBackground(_ scene: UIScene) {
// Called as the scene transitions from the foreground to the background. Use this
// method to save data, release shared resources, and store enough scene-specific
// state information to restore the scene back to its current state.
}
}