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͋͋͏͑(@_kwzr_) iOS Apple Dev Tutorialsͱ pointfreeͷϞμϯ࣮Λൺֱ͢Δ
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ࣗݾհ • ͋͋͏͑(@_kwzr_) • ॴଐ: ৽نࣄۀ෦ɾCTOࣨσβΠϯγεςϜ෦ • ࣄ: ଟiOSΤϯδχΞ • झຯ: εϓϥɾ͓ֆ͔͖
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iOS։ൃΛֶͿʹ...
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AppleͷνϡʔτϦΞϧͬͱ͍ͯʂ
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AppleͷνϡʔτϦΞϧΛ ͍ͬͯͩ͘͞
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iOS Apple Dev Tutorials • SwiftUIͱUIKitͷνϡʔτϦΞϧ͕͋Δ • εςοϓ͝ͱʹஸೡͳઆ໌ • ϖʔδͷ࠷ޙʹ͕͋Γɺཧղ ΛνΣοΫͰ͖Δ https://developer.apple.com/tutorials/app-dev-training
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Scrumdinger(Standups) • SwiftUI൛Ͱ࣮͞Ε͍ͯΔΞϓϦ • λΠϚʔΛઃఆͰ͖ͨΓɺձٞͷ༰ΛԻ ͨ͠ΓɺࢀՃऀΛهͰ͖ΔΞϓϦ
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νϡʔτϦΞϧͰֶͿ͜ͱ • ϨΠΞτ(VStack, HStack...) • ΞΫηγϏϦςΟରԠํ๏ • ϞσϧΛ࡞ͬͯListʹө • ը໘ભҠ(NavigationStack) • ঢ়ଶཧ(@State, @Binding, ObservableObject, ...) • ϥΠϑαΠΫϧ(onAppear, onDisappear)
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νϡʔτϦΞϧͰֶͿ͜ͱ • Swift Concurrency • File ManagerΛͬͨӬଓԽ • গ͠ൃలతͳඳը(PathͳͲ) • Τϥʔը໘ͷදࣔ • OSͷAPIݺͼग़͠(Speech frameworkݖݶͷڐՄ) • ͳͲ
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(͏͜Εࣄ͡ΌΜ)
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iOSΞϓϦ։ൃΛֶͼ͍ͨਓʹ ͱ͓ͯ͢͢Ίʂʂ
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νϡʔτϦΞϧͬͨɺ͜ͷઌͲ͏͢Ε... • UIKitͱֶ͔ͼ͍ͨ → UIKitνϡʔτϦΞϧɺpixivͷνϡʔτϦΞϧ • ΞʔΩςΫνϟͱ͔ςετͱ͔ • യવͱɺΑΓྑ͍ίʔυΛॻ͖͍ͨͱ͔
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pointfreeͷϞμϯ࣮ͱൺΔ
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pointfreeco/standups • TCAΛ࡞͍ͬͯΔpointfree͕࡞͍ͬͯΔ • ScrumdingerΛΑΓϞμϯʹॻ͍ͯΈͨϓϩδΣΫτ
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Ϟμϯ #ͱ
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ϓϩδΣΫτߏΛൺֱ͢Δ
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φϏήʔγϣϯपΓͷൺֱ
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ϓϩδΣΫτߏΛݟΔ • 2ͭͷϓϩδΣΫτ͕͋ͬͨ • StackBased • TreeBased
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StackBased vs TreeBased • StackBased • AppViewͰNavigationStack(path:)ΛݟͯɺϧʔςΟϯά • TreeBased • ֤View͔ΒnavigationDestinationΛ֤ͬͯը໘ʹભҠ͍ͯ͠Δ • ͦΕͧΕϝϦσϝ͋Γɺ͜Ε͕શਖ਼ղͱ͍͏ͷݱঢ়ͳ͍
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ঢ়ଶϕʔεͷφϏήʔγϣϯʹ͍ͯ͠Δ • pointfreeco/swiftui-navigation • SwiftUIͷը໘ભҠͷΛղܾ͍ͯ͠ΔϥΠϒϥϦ • NavigationLinkTabViewঢ়ଶͱը໘ભҠ͕ඥ͔ͮͳ͍ • ྻڍܕΛͬͯը໘ભҠͰ͖ΔΑ͏ʹ͍ͯ͠Δ • DeepLinkͳͲΛ͘͢͠ͳΔ
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ςετͷൺֱ
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ςετίʔυ͕ॻ͔Ε͍ͯΔ • AppleͷνϡʔτϦΞϧʹςετॻ͔Ε͍ͯͳ͍͕ɺpointfreeͷํ ςετ͕ॻ͔Ε͍ͯΔ • ViewModelతͳͭͷϢχοτςετ • ςετΛॻ͚ΔΑ͏ʹ͍ͯ͠Δ(େࣄ)
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ViewͷϩδοΫɾঢ়ଶʹؔ͢Δςετ͕ॻ͚Δ • جຊతʹViewͷϢχοτςετΛॻ͘ͷ͍͠ • ϥΠϒϥϦΛ͏ͳͲ͢ΕͰ͖Δ͕... • https://github.com/nalexn/ViewInspector • Ұൠతͳํ: ViewModelతͳͷΛ࡞ΓɺϩδοΫͱঢ়ଶʹؔ͢Δς ετΛॻ͘
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Apple νϡʔτϦΞϧͰςετΛॻ͍ͯΈΔ • MeetingViewͰΘΕ͍ͯΔScrumTimerΫϥελΠϚʔ + ݱࡏͷൃ දऀͷঢ়ଶΛ࣋ͭModel • ͍ɺViewʹঢ়ଶ͕ͬͨΓॻ͔Ε͍ͯΔײ͡Ͱͳ͔ͬͨͷͰɺλΠ Ϛʔ+ঢ়ଶͷςετΛॻ͚ͨ
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pointfreeͷtimerͷςετ • DateͷΘΓʹclockΛ͍ɺςετίʔυͰ࣌ؒΛਐΊΒΕΔΑ͏ʹ ͍ͯ͠Δ
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Dependency InjectionΛ͍ͯ͠Δ • pointfreeco/swift-dependencies
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swift-dependencies͕ͳ͍ͱ͖ • ී௨ʹΔͱςετ༻ͷϞοΫΛࠩ͠ࠐΜͩΓ͢ΔͨΊʹɺί ϯετϥΫλͳͲͰΠϯελϯεΛͨ͠Γ͢Δඞཁ • ໘ɻόέπϦϨʔ͠ͳ͖Ό͍͚ͳ͍࣌ͬͱ໘
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ͷఏڙ • SpeechClientͷΠϯελϯεΛఏڙ ͍ͨ͠߹ӈͷΑ͏ʹॻ͘ • ςετ༻ɺϓϨϏϡʔ༻ͷΛఏڙ Մೳ
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• @Dependency(\.speechClient)ͰSpeechClientͷΠϯελϯεΛऔͬͯ དྷͯ͘ΕΔΑ͏ʹ • Property WrapperͰ͑ͯศར • ClockUUIDͳͲɺΑ͘͏ͷΛඪ४Ͱఏڙ swift-dependencies͕͋Δͱ͖
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ͦͷଞ
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SpeechRecognizer • ݩʑͷSpeechRecognizer • Իೝࣝ݁ՌΛड͚औΔ + ݁ՌΛอ࣋͢Δ AppleͷνϡʔτϦΞϧ
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pointfree൛ SpeechClient • AsyncThrowingStreamͰྲྀ͚ͩ͢ʹ͍ͯ͠Δ
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ࡉ͔͍ॻ͖ํͳͲ • ViewଆͰ͏༻ʹInt, Doubleͷ ϓϩύςΟΛ࡞͍ͬͯΔ • গࠞ͠ཚͦ͠͏ AppleͷνϡʔτϦΞϧ
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Durationܕͷ༻ • Durationܕ(iOS 16+)ʹஔ͖Θ͓ͬͯΓɺformatͳͲViewଆͰߦͬͯ ͍Δ pointfreeͷ࣮
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• iOS 16͔Β͑Δγϯϓϧͳͷʹ DocumentDirectoryͷऔಘํ๏
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Previewͷઆ໌จ • ϓϨϏϡʔͷઆ໌จΛදࣔ͢ΔViewΛࠩ͠ࠐΜͰ͍Δ
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࿔ΒΕ͍ͯͳ͔ͬͨॴ • SwiftUIͷViewಛʹมߋͯ͠ͳͦ͞͏ • ݩ͔Β͔ͳΓ៉ྷʹ࡞ΒΕ͍ͯΔͱࢥͬͨ
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͕࣌ؒͳͯͤ͘ͳ͔ͬͨͱ͜Ζ • Identi fi edArrayͷ • pointfreeతʹਪ͠ϙΠϯτͬΆ͍ • ύϑΥʔϚϯε͕ߴ͍ListΛॻ͖͘͢ • Ϟνϕʔγϣϯͷจ຺Λ͚ͩ͢Ͱֻ͕͔࣌ؒͬͯ͠·͏ • Sendableॻ͍ͯͨΓ
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Ϟμϯͱ • ΑΓྑ͍φϏήʔγϣϯ • DeepLink͘͢͠ • ςελϏϦςΟ • DI • ͷׂ • ύϑΥʔϚϯε • Identi fi edArray • ΑΓ͘ॻ͚ΔAPI
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Apple࣮ͷ؆ܿ͞ྑ͍ • ΞϓϦ։ൃ࢝Ίͨͯͷਓ͕ύϑΥʔϚϯεςελϏϦςΟΛؾʹ͢͠ ͗ͯԿ࣮Ͱ͖ͳ͘ͳΔͷΑ͘ͳ͍
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ͳΜͱTCA൛࣮͋Δ
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TCAͷExamplesʹStandups͕Ճ͞Εͨ • pointfreeco/swift-composable-architecture • 5݄ʹϦϦʔε͞ΕͨTCAͷNavigationػೳͱڞʹStandupsͷαϯϓϧ Ճ͞Εͨ
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pointfreeco/standupsͷඍົ͞Λײ͡Δ TreeBasedͷίʔυ͕ͩɺStackBasedͰࣅͨΑ͏ͳ͜ͱΛ͍ͬͯΔ
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pointfreeco/standupsͷඍົ͞Λײ͡Δ TreeBasedͷίʔυ͕ͩɺStackBasedͰࣅͨΑ͏ͳ͜ͱΛ͍ͬͯΔ ↓ͳΜ͔ॻ͖Εͦ͏
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• ࢠ(ભҠઌ)ͷΞΫγϣϯReducerͷenumͰཏతʹॻ͚Δ TCA
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TCA͍͍ͧ (झࢫ͕ͣΕ͖ͯͦ͏) ͜Ε͚ͩͰͳ͍͚Ͳ...
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·ͱΊ • AppleͷνϡʔτϦΞϧ࣮ͱpointfreeͷϞμϯ࣮Λൺֱͨ͠ • ςελϏϦςΟύϑΥʔϚϯεΛҙࣝ͢Δ͜ͱͰϞμϯͳ࣮ʹɻ࣮ ެ։͞Ε͍ͯΔͷͰൺֱͯ͠ΈΑ͏ʂ
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AppleͷνϡʔτϦΞϧͬͱ͍ͯʂ ↑ͪͳΈʹ͜ͷਓΤΞϓɻνϡʔτϦΞϧͬͨ͜ͱ͋Γ·ͤΜ
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ࢀߟ • https://www.pointfree.co/blog/posts/99-modern-swiftui • pointfreeͷ༗ྉهࣄཧղͷ֬ೝͷΈʹͬͯ·͢