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ΞϓϦΛJ04ରԠ͠·ͨ͠

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J04ҎલΛ੾ΓࣺͯΔͭ΋ΓͰ͍͕ͨ ͦͷඞཁ͕ͳ͔ͬͨͱ͍͏ͷ͕ ࠓճͷ͓୊

"QQ%FMFHBUF੔ཧͷྺ࢙

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"QQ%FMFHBUFʹ՝ͤΒΕͨ੹຿Λ੔ཧ ϚϧνϓϥοτϑΥʔϜʹ޲͚ͯௐ੔͕ J04͔ΒJ04ʹ͔͚࣮ͯࢪ

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.VMUJQMBUGPSN 0CKFDUJWF$ J04 J04 4XJGU6* NBJON "QQ%FMFHBUFI "QQ%FMFHBUFN "QQ%FMFHBUFTXJGU "QQ%FMFHBUFTXJGU 4DFOF%FMFHBUFTXJGU "QQ%FMFHBUFTXJGU "QQTXJGU 1BTU 'VUVSF &OUSZ1PJOU &OUSZ1PJOU &OUSZ1PJOU &OUSZ1PJOU "QQMJDBUJPO&WFOU "QQMJDBUJPO&WFOU "QQMJDBUJPO&WFOU "QQMJDBUJPO&WFOU 4DSFFO#VJME 4DSFFO#VJME 4DSFFO#VJME 4DSFFO#VJME .VMUJQMBUGPSN

4XJGU6*ʹΑͬͯ"QQ%FMFHBUF͸ ΞϓϦΠϕϯτΛ؅ཧ͢Δ͚ͩͷ໾ׂʹ

4XJGU6*"QQ4DFOFͷ࣮ࡍ

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import SwiftUI @main struct FooApp: App { @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate var body: some Scene { WindowGroup { Text("͜ͷը໘͸Ұ࣌తͳ΋ͷͰ͢") .padding() } } }

J04·Ͱͷ൥ࡶ͔͞Β J04͔Βͷ؆ܿ͞͸ མࠩͷ෼ɺΠϯύΫτ͸େ͖͍

"QQ%FMFHBUFͱ4DFOF%FMFHBUFΛ ஔ׵Ͱ͖Δͱ·Ͱॻ͘#MPH౤ߘ·Ͱొ৔

SwiftUI’s New App Lifecycle and Replacements for AppDelegate and SceneDelegate in iOS 14 IUUQTMJOLNFEJVNDPNDB,&9Q3

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ͭͷػೳڞʹ 4XJGU6*ະରԠ

ͦ͜Ͱ൑໌ͨ͠఺

4XJGU6*"QQ4DFOFͰ΋ 4DFOF%FMFHBUFػೳ͸ซଘ͍ͯ͠Δ

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4DFOF%FMFHBUFಠಛͳهड़ᶃ

4DFOF%FMFHBUFಠಛͳهड़ᶄ import UIKit class AppDelegate: UIResponder, UIApplicationDelegate { // 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) { } } "QQ%FMFHBUFͰͷ4DFOFੜ੒Πϕϯτίʔυ

4DFOF%FMFHBUFಠಛͳهड़ᶅ import UIKit class SceneDelegate: UIResponder, UIWindowSceneDelegate { func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { } func sceneDidDisconnect(_ scene: UIScene) { } func windowScene(_ windowScene: UIWindowScene, performActionFor shortcutItem: UIApplicationShortcutItem, completionHandler: @escaping (Bool) -> Void) { } } γϣʔτΧοτΠϕϯτΛิ଍͢Δ4DFOF%FMFHBUFͷίʔυ

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·ͱΊ w J04·Ͱͷॏ੹Λ୲͖ͬͯͨ"QQ%FMFHBUF͸੔ཧ͞Ε·ͨ͠ w .VMUJQMBUGPSN·Ͱݟਾ͑ͨͷ͕4XJGU6*"QQ4DFOFͷಋೖ w 4XJGU6*"QQ4DFOFΛ࠾༻ͯ͠΋1MBUGPSN͝ͱͷϥΠϑαΠΫϧ ͸݈ࡏ