iOS Apple Dev Tutorialsとpointfreeのモダン実装を比較する

Transcript

1. ͋͋͏͑(@_kwzr_) iOS Apple Dev Tutorialsͱ pointfreeͷϞμϯ࣮૷Λൺֱ͢Δ
2. ࣗݾ঺հ • ͋͋͏͑(@_kwzr_) • ॴଐ: ৽نࣄۀ෦ɾCTOࣨσβΠϯγεςϜ෦ • ࢓ࣄ: ଟ෼iOSΤϯδχΞ • झຯ: εϓϥɾ͓ֆ͔͖
3. iOS։ൃΛֶͿʹ͸...
4. AppleͷνϡʔτϦΞϧ΍ͬͱ͍ͯʂ
5. AppleͷνϡʔτϦΞϧΛ ΍͍ͬͯͩ͘͞
6. iOS Apple Dev Tutorials • SwiftUIͱUIKitͷνϡʔτϦΞϧ͕͋Δ • εςοϓ͝ͱʹஸೡͳઆ໌ • ϖʔδͷ࠷ޙʹ͸໰୊͕͋Γɺཧղ౓ ΛνΣοΫͰ͖Δ https://developer.apple.com/tutorials/app-dev-training
7. Scrumdinger(Standups) • SwiftUI൛Ͱ࣮૷͞Ε͍ͯΔΞϓϦ • λΠϚʔΛઃఆͰ͖ͨΓɺձٞͷ಺༰Λ࿥Ի ͨ͠ΓɺࢀՃऀΛه࿥Ͱ͖ΔΞϓϦ
8. νϡʔτϦΞϧͰֶͿ͜ͱ • ϨΠΞ΢τ(VStack, HStack...) • ΞΫηγϏϦςΟରԠํ๏ • ϞσϧΛ࡞ͬͯListʹ൓ө • ը໘ભҠ(NavigationStack) • ঢ়ଶ؅ཧ(@State, @Binding, ObservableObject, ...) • ϥΠϑαΠΫϧ(onAppear, onDisappear)
9. νϡʔτϦΞϧͰֶͿ͜ͱ • Swift Concurrency • File ManagerΛ࢖ͬͨӬଓԽ • গ͠ൃలతͳඳը(PathͳͲ) • Τϥʔը໘ͷදࣔ • OSͷAPIݺͼग़͠(Speech framework΍ݖݶͷڐՄ) • ͳͲ
10. (΋͏͜Ε࢓ࣄ͡ΌΜ)
11. iOSΞϓϦ։ൃΛֶͼ͍ͨਓʹ ͱͯ΋͓͢͢Ίʂʂ
12. νϡʔτϦΞϧ͸΍ͬͨɺ͜ͷઌͲ͏͢Ε͹... • UIKitͱֶ͔ͼ͍ͨ → UIKitνϡʔτϦΞϧɺpixivͷνϡʔτϦΞϧ • ΞʔΩςΫνϟͱ͔ςετͱ͔ • യવͱɺΑΓྑ͍ίʔυΛॻ͖͍ͨͱ͔
13. pointfreeͷϞμϯ࣮૷ͱൺ΂Δ
14. pointfreeco/standups • TCAΛ࡞͍ͬͯΔpointfree͕࡞͍ͬͯΔ • ScrumdingerΛΑΓϞμϯʹॻ͍ͯΈͨϓϩδΣΫτ
15. Ϟμϯ #ͱ͸
16. ϓϩδΣΫτߏ੒Λൺֱ͢Δ
20. φϏήʔγϣϯपΓͷൺֱ
21. ϓϩδΣΫτߏ੒ΛݟΔ • 2ͭͷϓϩδΣΫτ͕͋ͬͨ • StackBased • TreeBased
23. StackBased vs TreeBased • StackBased • AppViewͰNavigationStack(path:)ΛݟͯɺϧʔςΟϯά • TreeBased • ֤View͔ΒnavigationDestinationΛ࢖֤ͬͯը໘ʹભҠ͍ͯ͠Δ • ͦΕͧΕϝϦσϝ͋Γɺ͜Ε͕׬શਖ਼ղͱ͍͏΋ͷ͸ݱঢ়ͳ͍
24. ঢ়ଶϕʔεͷφϏήʔγϣϯʹ͍ͯ͠Δ • pointfreeco/swiftui-navigation • SwiftUIͷը໘ભҠͷ໰୊Λղܾ͍ͯ͠ΔϥΠϒϥϦ • NavigationLink΍TabView͸ঢ়ଶͱը໘ભҠ͕ඥ͔ͮͳ͍ • ྻڍܕΛ࢖ͬͯը໘ભҠͰ͖ΔΑ͏ʹ͍ͯ͠Δ • DeepLinkͳͲΛ͠΍͘͢ͳΔ
27. ςετͷൺֱ
28. ςετίʔυ͕ॻ͔Ε͍ͯΔ • AppleͷνϡʔτϦΞϧʹςετ͸ॻ͔Ε͍ͯͳ͍͕ɺpointfreeͷํ͸ ςετ͕ॻ͔Ε͍ͯΔ • ViewModelతͳ΍ͭͷϢχοτςετ • ςετΛॻ͚ΔΑ͏ʹ͍ͯ͠Δ(େࣄ)
29. ViewͷϩδοΫɾঢ়ଶʹؔ͢Δςετ͕ॻ͚Δ • جຊతʹViewͷϢχοτςετΛॻ͘ͷ͸೉͍͠ • ϥΠϒϥϦΛ࢖͏ͳͲ͢Ε͹Ͱ͖Δ͕... • https://github.com/nalexn/ViewInspector • Ұൠతͳํ਑: ViewModelతͳ΋ͷΛ࡞ΓɺϩδοΫͱঢ়ଶʹؔ͢Δς ετΛॻ͘
30. Apple νϡʔτϦΞϧͰςετΛॻ͍ͯΈΔ • MeetingViewͰ࢖ΘΕ͍ͯΔScrumTimerΫϥε͸λΠϚʔ + ݱࡏͷൃ දऀͷঢ়ଶΛ࣋ͭModel • ޾͍ɺViewʹঢ়ଶ͕΂ͬͨΓॻ͔Ε͍ͯΔײ͡Ͱ͸ͳ͔ͬͨͷͰɺλΠ Ϛʔ+ঢ়ଶͷςετΛॻ͚ͨ
32. pointfreeͷtimerͷςετ • Dateͷ୅ΘΓʹclockΛ࢖͍ɺςετίʔυͰ࣌ؒΛਐΊΒΕΔΑ͏ʹ ͍ͯ͠Δ
36. Dependency InjectionΛ͍ͯ͠Δ • pointfreeco/swift-dependencies
37. swift-dependencies͕ͳ͍ͱ͖ • ී௨ʹ΍Δͱςετ༻ͷϞοΫΛࠩ͠ࠐΜͩΓ͢ΔͨΊʹɺί ϯετϥΫλͳͲͰΠϯελϯεΛ౉ͨ͠Γ͢Δඞཁ • ໘౗ɻόέπϦϨʔ͠ͳ͖Ό͍͚ͳ͍࣌͸΋ͬͱ໘౗
38. ஋ͷఏڙ • SpeechClientͷΠϯελϯεΛఏڙ ͍ͨ͠৔߹͸ӈͷΑ͏ʹॻ͘ • ςετ༻ɺϓϨϏϡʔ༻ͷ஋Λఏڙ Մೳ
39. • @Dependency(\.speechClient)ͰSpeechClientͷΠϯελϯεΛऔͬͯ དྷͯ͘ΕΔΑ͏ʹ • Property WrapperͰ࢖͑ͯศར • Clock΍UUIDͳͲɺΑ͘࢖͏΋ͷΛඪ४Ͱఏڙ swift-dependencies͕͋Δͱ͖
40. ͦͷଞ
41. SpeechRecognizer • ݩʑͷSpeechRecognizer • Ի੠ೝࣝ݁ՌΛड͚औΔ + ݁ՌΛอ࣋͢Δ AppleͷνϡʔτϦΞϧ
42. pointfree൛ SpeechClient • AsyncThrowingStreamͰྲྀ͚ͩ͢ʹ͍ͯ͠Δ
43. ࡉ͔͍ॻ͖ํͳͲ • ViewଆͰ࢖͏༻ʹInt, Doubleͷ ϓϩύςΟΛ࡞͍ͬͯΔ • গࠞ͠ཚͦ͠͏ AppleͷνϡʔτϦΞϧ
44. Durationܕͷ࢖༻ • Durationܕ(iOS 16+)ʹஔ͖׵Θ͓ͬͯΓɺformatͳͲ͸ViewଆͰߦͬͯ ͍Δ pointfreeͷ࣮૷
45. • iOS 16͔Β࢖͑Δγϯϓϧͳ΋ͷʹ DocumentDirectoryͷऔಘํ๏
46. Previewͷઆ໌จ • ϓϨϏϡʔͷઆ໌จΛදࣔ͢ΔViewΛࠩ͠ࠐΜͰ͍Δ
48. ࿔ΒΕ͍ͯͳ͔ͬͨ৔ॴ • SwiftUIͷView͸ಛʹมߋͯ͠ͳͦ͞͏ • ݩ͔Β͔ͳΓ៉ྷʹ࡞ΒΕ͍ͯΔͱࢥͬͨ
49. ͕࣌ؒͳͯ͘࿩ͤͳ͔ͬͨͱ͜Ζ • Identi fi edArrayͷ࿩ • pointfreeతʹ͸ਪ͠ϙΠϯτͬΆ͍ • ύϑΥʔϚϯε͕ߴ͍ListΛॻ͖΍͘͢ • Ϟνϕʔγϣϯͷจ຺Λ࿩͚ͩ͢Ͱֻ͕͔࣌ؒͬͯ͠·͏ • Sendableॻ͍ͯͨΓ
50. Ϟμϯͱ͸ • ΑΓྑ͍φϏήʔγϣϯ • DeepLink͠΍͘͢ • ςελϏϦςΟ • DI • ੹຿ͷ෼ׂ • ύϑΥʔϚϯε • Identi fi edArray • ΑΓ୹͘ॻ͚ΔAPI
51. Apple࣮૷ͷ؆ܿ͞΋ྑ͍ • ΞϓϦ։ൃ࢝Ίͨͯͷਓ͕ύϑΥʔϚϯε΍ςελϏϦςΟΛؾʹ͢͠ ͗ͯԿ΋࣮૷Ͱ͖ͳ͘ͳΔͷ΋Α͘ͳ͍
52. ͳΜͱTCA൛࣮૷΋͋Δ
53. TCAͷExamplesʹStandups͕௥Ճ͞Εͨ • pointfreeco/swift-composable-architecture • 5݄ʹϦϦʔε͞ΕͨTCAͷNavigationػೳͱڞʹStandupsͷαϯϓϧ ΋௥Ճ͞Εͨ
54. pointfreeco/standupsͷඍົ͞Λײ͡Δ఺ TreeBasedͷίʔυ͕ͩɺStackBasedͰ΋ࣅͨΑ͏ͳ͜ͱΛ΍͍ͬͯΔ
55. pointfreeco/standupsͷඍົ͞Λײ͡Δ఺ TreeBasedͷίʔυ͕ͩɺStackBasedͰ΋ࣅͨΑ͏ͳ͜ͱΛ΍͍ͬͯΔ ↓ͳΜ͔ॻ͖๨Εͦ͏
56. • ࢠ(ભҠઌ)ͷΞΫγϣϯ΋Reducer಺ͷenumͰ໢ཏతʹॻ͚Δ TCA
57. TCA͍͍ͧ (झࢫ͕ͣΕ͖ͯͦ͏) ͜Ε͚ͩͰ͸ͳ͍͚Ͳ...
58. ·ͱΊ • AppleͷνϡʔτϦΞϧ࣮૷ͱpointfreeͷϞμϯ࣮૷Λൺֱͨ͠ • ςελϏϦςΟ΍ύϑΥʔϚϯεΛҙࣝ͢Δ͜ͱͰϞμϯͳ࣮૷ʹɻ࣮ ૷͸ެ։͞Ε͍ͯΔͷͰൺֱͯ͠ΈΑ͏ʂ
59. AppleͷνϡʔτϦΞϧ΍ͬͱ͍ͯʂ ↑ͪͳΈʹ͜ͷਓ͸ΤΞϓɻνϡʔτϦΞϧ΍ͬͨ͜ͱ͋Γ·ͤΜ
60. ࢀߟ • https://www.pointfree.co/blog/posts/99-modern-swiftui • pointfreeͷ༗ྉهࣄ͸ཧղͷ֬ೝͷΈʹ࢖ͬͯ·͢