The history of entry-point in iOS app Development

https://testnight.connpass.com/event/295913

Transcript

1. !@LJ J04։ൃʹ͓͚Δ
   ΤϯτϦʔϙΠϯτͷྺ࢙ J04
   5FTU
   /JHIU
2. .FTXJGU let name = "Takuhiro Muta" let twitter = "417_72ki" let github = "417-72KI" let company = "(redacted)" var products = [ "MockUserDefaults", "MultipartFormDataParser", "BuildConfig.swift", "R2ACConverter", "SSGH", ] var contributing = [ "Danger-Swift", "octokit.swift", "etc..." ]
3. ͓඼ॻ͖ w ΤϯτϦʔϙΠϯτͱ͸
   w J04։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ
   w ςετͱΤϯτϦʔϙΠϯτ
4. ΤϯτϦʔϙΠϯτͱ͸
5. ΤϯτϦʔϙΠϯτͱ͸ w ΞϓϦέʔγϣϯ౳ͷϓϩάϥϜΛ࣮ߦ͢Δࡍ࠷ॳʹݺͼग़͞ΕΔॲཧ΍ؔ ਺ͷ͜ͱ
   w $
   
   JOU
   NBJO
   w +BWB
   
   QVCMJD
   TUBUJD
   WPJE
   NBJO 4USJOH
   BSHT
   w FUD
6. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ
7. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ J04ΞϓϦ։ൃͱΤϯτϦʔϙΠϯτͷมભ ࣌ظ ओͳग़དྷࣄ ݴޠ 'SBNFXPSLT ΤϯτϦʔϙΠϯτ ʙ 0CKFDUJWF$ Ћ 6*,JU NBJON  88%$Ͱ4XJGUൃද
   9DPEF
   
   
   4XJGU
   ϦϦʔε 0CKFDUJWF$ Ћ
   4XJGU
    Ћ 6*,JU NBJON
   "QQ%FMFHBUFTXJGU  88%$Ͱ4XJGU6*ൃද
   9DPEF
   
   
   4XJGU6*
   ϦϦʔε 0CKFDUJWF$ Ћ
   4XJGU
    6*,JU
   4XJGU6*
    NBJON
   "QQ%FMFHBUFTXJGU
   4DFOF%FMFHBUF  4XJGU6*
   ϦϦʔε 0CKFDUJWF$ Ћ
   4XJGU
    6*,JU
   4XJGU6*
    NBJON
   "QQ%FMFHBUFTXJGU
   4DFOF%FMFHBUF
   "QQTXJGU
8. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ 0CKFDUJWF$ w NBJON #import <UIKit/UIKit.h> #import "AppDelegate.h" int main(int argc, char * argv[]) { NSString * appDelegateClassName; @autoreleasepool { appDelegateClassName = NSStringFromClass([AppDelegate class]); } return UIApplicationMain(argc, argv, nil, appDelegateClassName); }
9. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ 4XJGU w NBJOTXJGU UIApplicationMain(CommandLine.argc, CommandLine.unsafeArgv, nil, NSStringFromClass(AppDelegate.self)) 🙅
10. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ 4XJGU
    XJUI
    6*,JU w "QQ%FMFHBUFTXJGU @UIApplicationMain // deprecated and will be error in Swift 6 final class AppDelegate: UIResponder, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { // Initialize app return true } }
11. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ !6*"QQMJDBUJPO.BJO w NBJOTXJGUΛ҉໧తʹੜ੒͢Δ
    w 4XJGU
    Ͱඇਪ঑ɺ4XJGU
    Ͱഇࢭ༧ఆ UIApplicationMain(CommandLine.argc, CommandLine.unsafeArgv, nil, NSStringFromClass(AppDelegate.self)) IUUQTHJUIVCDPNBQQMFTXJGUCMPCGFCBEDFEDGDFBFFEE$)"/(&-0(NE QMBJO--
    IUUQTHJUIVCDPNBQQMFTXJGUDPNNJUDDCDDGDBC
12. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ ༨ஊɿ!6*"QQMJDBUJPO.BJOͷࠟ੻ IUUQTHJUIVCDPNTFBSDI RSFQP"BQQMF'TXJGU 6*"QQMJDBUJPO.BJOUZQFDPEF
13. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ 4XJGU
    XJUI
    6*,JU w "QQ%FMFHBUFTXJGU @UIApplicationMain // deprecated and will be error in Swift 6 final class AppDelegate: UIResponder, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { // Initialize app return true } }
14. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ 4XJGU d
    XJUI
    6*,JU w "QQ%FMFHBUFTXJGU @main final class AppDelegate: UIResponder, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { // Initialize app return true } }
15. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ !NBJO w 4XJGUʹ͓͚ΔΤϯτϦʔϙΠϯτΛࣔ͢BUUSJCVUF
    w 4XJGU
    Ͱ௥Ճ
    w !NBJO͕෇͍ͨDMBTTTUSVDUFOVN͸
    QVCMJD
    TUBUJD
    GVOD
    NBJO
    ͷ࣮૷ ͕ඞਢ
16. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ !NBJO
17. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ 4XJGU6*
    Y w "QQ%FMFHBUFTXJGU @UIApplicationMain // deprecated and will be error in Swift 6 final class AppDelegate: UIResponder, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { // Initialize SceneDelegate if needed return true } }
18. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ 4XJGU6*
    Y w 4DFOF%FMFHBUFTXJGU final class SceneDelegate: UIResponder, UIWindowSceneDelegate { var window: UIWindow? func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { guard let windowScene = (scene as? UIWindowScene) else { return } let window = UIWindow(windowScene: windowScene) window.rootViewController = UIHostingController(rootView: RootView()) self.window = window window.makeKeyAndVisible() }
19. J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ 4XJGU6*
    d w "QQTXJGU @main struct EntrypointSample_SwiftUIApp: App { var body: some Scene { WindowGroup { ContentView() } } }
20. 4XJGU6*
    d J04ΞϓϦ։ൃʹ͓͚ΔΤϯτϦʔϙΠϯτ
21. ςετͱΤϯτϦʔϙΠϯτ
22. ςετͱΤϯτϦʔϙΠϯτ J04ͷςετʹ͓͚Δ՝୊ w J04ͷςετ͸)PTU
    "QQMJDBUJPO্Ͱ࣮ߦ͞ΕΔ
    w )PTU
    "QQMJDBUJPO͕ىಈ͢Δ
    w ىಈ·Ͱͷ͕࣌ؒϘτϧωοΫʹͳΔ
    w ىಈ࣌ʹ௨৴΍6TFS%FGBVMUT౳΁ͷॻ͖ࠐΈ౳Λ͍ͯ͠ΔͱɺͦΕ͕ࢥ Θ͵෭࡞༻ΛҾ͖ىͯ͜͠ςετʹӨڹ͢Δ৔߹͕͋Δ
23. ςετͱΤϯτϦʔϙΠϯτ ىಈ·Ͱͷ͕࣌ؒϘτϧωοΫʹͳΔ
24. ςετͱΤϯτϦʔϙΠϯτ εϓϥογϡը໘ͰͷॲཧʹΑΔ෭࡞༻ ྫ w γϛϡϨʔλͰಈ࡞֬ೝ͢Δ ϩάΠϯͨ͠ঢ়ଶ
    w ಉҰγϛϡϨʔλͰςετ࣮ߦ
    w γϛϡϨʔλͷ6TFS%FGBVMUTʹ࢒͍ͬͯͨτʔΫϯΛ)PTU
    "QQMJDBUJPO্ͷ TJOHMFUPO
    PCKFDU͕र্͍͛Δ
    w ςετର৅ͷதͰͦͷTJOHMFUPOΛݟΔॲཧ͕τʔΫϯΛ࢖ͬͯॲཧͯ͠͠·͏
    w ૝ఆͱҟͳΔ࣮ߦ݁Ռ͕ग़ྗ͞Ε౰֘ςετ͕'BJMFEʹ😱
25. ςετͱΤϯτϦʔϙΠϯτ ରࡦ w #FTU
    w ϓϩμΫτίʔυΛ4XJGU
    1BDLBHFʹ͢Δ
    w 1BDLBHFଆͰςετΛ૸ΒͤΔͱ)PTU
    "QQMJDBUJPOΛ࢖Θͳ͍
    w YDGSBNFXPSLඇରԠϥΠϒϥϦ͕͋ͬͨΓ͢ΔͱෆՄ
    w #FUUFS
    w "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ
    w ىಈॲཧΛεΩοϓͰ͖Δ
    w /PU
    #BE
    w ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"]ͷ༗ແͰ൑அ͢Δ
    w ϓϩμΫτίʔυ͕ԚΕΔ
26. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ w ςετλʔήοτ಺ʹ.PDL"QQ%FMFHBUFΛ༻ҙ͢Δ
    w "QQ%FMFHBUF͔Β@mainΛফ͢
    w NBJOTXJGUΛ༻ҙ͢Δ
    w ςετ࣌͸.PDL"QQ%FMFHBUFΛݟΔΑ͏ʹࡉ޻͢Δ
27. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ ςετλʔήοτ಺ʹ.PDL"QQ%FMFHBUFΛ༻ҙ͢Δ import UIKit @objc(MockAppDelegate) final class MockAppDelegate: UIResponder, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { print("This is MockAppDelegate") return true } }
28. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ w ςετλʔήοτ಺ʹ.PDL"QQ%FMFHBUFΛ༻ҙ͢Δ
    w "QQ%FMFHBUF͔Β@mainΛফ͢
    w NBJOTXJGUΛ༻ҙ͢Δ
    w ςετ࣌͸.PDL"QQ%FMFHBUFΛݟΔΑ͏ʹࡉ޻͢Δ
29. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ "QQ%FMFHBUF͔Β!NBJOΛফ͢ @main final class AppDelegate: UIResponder, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { print("This is AppDelegate") return true } ɾ ɾ ɾ
30. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ "QQ%FMFHBUF͔Β!NBJOΛফ͢ final class AppDelegate: UIResponder, UIApplicationDelegate { func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { print("This is AppDelegate") return true } ɾ ɾ ɾ
31. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ w ςετλʔήοτ಺ʹ.PDL"QQ%FMFHBUFΛ༻ҙ͢Δ
    w "QQ%FMFHBUF͔Β@mainΛফ͢
    w NBJOTXJGUΛ༻ҙ͢Δ
    w ςετ࣌͸.PDL"QQ%FMFHBUFΛݟΔΑ͏ʹࡉ޻͢Δ
32. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ NBJOTXJGUΛ༻ҙͯ͠ςετ࣌͸.PDL"QQ%FMFHBUFΛݟΔΑ͏ʹࡉ޻͢Δ UIApplicationMain( CommandLine.argc, CommandLine.unsafeArgv, nil, NSStringFromClass(AppDelegate.self) )
33. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ NBJOTXJGUΛ༻ҙͯ͠ςετ࣌͸.PDL"QQ%FMFHBUFΛݟΔΑ͏ʹࡉ޻͢Δ let appDelegateClass: AnyClass = NSClassFromString("MockAppDelegate") ?? AppDelegate.self UIApplicationMain( CommandLine.argc, CommandLine.unsafeArgv, nil, NSStringFromClass(appDelegateClass) )
34. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ
35. "QQ%FMFHBUFΛ࣮ߦ͠ͳ͍Α͏ʹ͢Δ #JUSJTF্Ͱͷςετ࣮ߦ࣌ؒൺֱ ௒ͬ͘͟Γ w #FGPSF
    w ฏۉ໿N
    w "GUFS
    w ฏۉ໿N
36. 1VSF
    4XJGU6*
    "QQͷ৔߹ .PDL"QQΛ/40CKFDUʹ͢Δ @objc(MockApp) final class MockApp: NSObject, App { override init() { super.init() print("This is MockApp.") } var body: some Scene { WindowGroup { EmptyView() } } }
37. 1VSF
    4XJGU6*
    "QQͷ৔߹ BOZ
    "QQ5ZQFͰΩϟετ͢Δ͜ͱͰNBJO ͕ݺͼग़ͤΔ if let clazz = NSClassFromString("MockApp") as? any App.Type { clazz.main() } else { EntrypointSample_SwiftUIApp.main() }
38. ·ͱΊ
39. ·ͱΊ w J04։ൃͷྺ࢙ͷதͰΤϯτϦʔϙΠϯτ͸ෳ਺ճมΘ͍ͬͯΔ
    w ΤϯτϦʔϙΠϯτͱࠇຐज़Λ࢖ͬͯςετ࣌ͷ)PTU
    "QQMJDBUJPOͷىಈॲ ཧΛճආͰ͖Δ
    w ςετͷ࣮ߦ͕࣌ؒ୹ॖͰ͖Δ
    w αϯϓϧίʔυ
    w IUUQTHJUIVCDPN,*&OUSZQPJOU4BNQMF
40. 'JO