コスパの良いiOS開発を求めて

by yutu

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ίεύͷྑ͍iOS։ൃΛٻΊͯ

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ฏҪ ༞थˁ 32 طࠗ • Recruit Marketing Partners • iOS Engineer • ݘ͕޷͖

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ͯ͞

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ίεύʹ ཁͨ͠අ༻ʢίετʣͱ ͦ͜Β͔ΒಘΒΕͨޮՌ

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͜͜Ͱ͍͏ίετʹ ֶश࣌ؒ, ࣮૷࣌ؒ

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͜͜Ͱ͍͏ύϑΥʔϚϯεʹ ੜ࢈ੑ, อकੑ, Θ͔Γ΍͢͞

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ΞʔΩςΫνϟͷબఆͬͯ Ή͔͍ͣ͠… ʢϓϩδΣΫτͷن໛ɺϝϯόʔɺ࣌ ظɺ࣌ؒͱ͔͍ΖΜͳഎܠ͕͋Δʣ

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ίεύͷ͍͍iOS։ൃͷҰྫͱͯ͠

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͜ΜͳνʔϜͳΒ Redux + Passive MVP + Clean Arch(Essence) ͕ࠓͷͱ͜Ζے͕ྑ͍ͷͰ͸ʁ ͬͯࢼߦࡨޡ࣮ͯ͠ફ͍ͯ͠Δ ࿩Λ͠·͢

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Agenda • ͳͥ๻ΒͷνʔϜͰ͸Redux + Passive MVP + Clean Arch(Essence) ͔ • Redux + Passive MVP + Clean Arch(Essence) ͕๻Βͷνʔ ϜʹԿΛ΋ͨΒ͍ͯ͠Δ͔ • Redux + Passive MVP + Clean Arch(Essence) Λࢧ͑Δٕज़ • ·ͱΊ

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ͳͥ๻ΒͷνʔϜͰ͸Redux + Passive MVP + Clean Arch(Essence) ͔

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๻ΒͷνʔϜͷੜཱ͍ͪ

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NewRING byRMP!!!

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NewRING byRMP!!! • RMPͷ৽نࣄۀఏҊ੍౓ • θΫγΟɺΧʔηϯαʔɺελσΟαϓϦɺkidslyͳͲΛੈʹ ૹΓग़͖ͯͨ͠ • ߽՚৹ࠪһͷલͰϓϨθϯͰ͖Δ • άϥϯϓϦ௨Ε͹ࣄۀԽͰ͖Δ • http://www.recruit-mp.co.jp/feature/company/ newring2017ko.html

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NewRING byRMP!!! • 2016͸213݅ͷԠื • ৭Μͳਓ͕ࢀՃ͢ΔʢӦۀͩͬͨΓاըͩͬ ͨΓҒ͍ਓͩͬͨΓΤϯδχΞͩͬͨΓʣ • ڱ͖໳ʢ๻΋ग़͚ͨ͠Ͳ௨Βͳ͔ͬͨʣ • Ͱ΋ͲΕ΋ັྗత

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ͭͬͪ͘Ό͑͹Α͘Ͷʁͬͯࢥͬͯͨ

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͋Δ೔

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Producer ݩRailsΤϯδχΞ ύογϣϯ͍͢͝ Engineer A αʔόʔڧ͍ Webϑϩϯτڧ͍ Πϯϑϥڧ͍ DDDಡॻձͱ͔΍Δਓ Engineer B ৽ଔ αʔόʔڧ͍ Webϑϩϯτڧ͍ σβΠϯڧ͍ Designer ݩΞϓϦΤϯδχΞ ͔ͩΒΊͬͪΌ΍Γ΍͍͢ ͓΋Ζ͍اը

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Producer ݩRailsΤϯδχΞ ύογϣϯ͍͢͝ Engineer A αʔόʔڧ͍ Webϑϩϯτڧ͍ Πϯϑϥڧ͍ DDDಡॻձͱ͔΍Δਓ Engineer B ৽ଔ αʔόʔڧ͍ Webϑϩϯτڧ͍ σβΠϯڧ͍ Designer ݩΞϓϦΤϯδχΞ ͔ͩΒΊͬͪΌ΍Γ΍͍͢ ͓΋Ζ͍اը ΞϓϦΤϯδχΞ ͕͍ͳ͍ʂ

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Designer ݩΞϓϦΤϯδχΞ ͔ͩΒΊͬͪΌ΍Γ΍͍͢ ͸ผ݅Ͱ ͱҰॹʹ࢓ࣄͨ͠

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Designer ݩΞϓϦΤϯδχΞ ͔ͩΒΊͬͪΌ΍Γ΍͍͢ ͸ผ݅Ͱ ͱҰॹʹ࢓ࣄͨ͠ ͍ͭ͜Ͱ͑͑΍Μʂʂ

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Producer ݩRailsΤϯδχΞ ύογϣϯ͍͢͝ Engineer A αʔόʔڧ͍ Webϑϩϯτڧ͍ Πϯϑϥڧ͍ DDDಡॻձͱ͔΍Δਓ Engineer B ৽ଔ αʔόʔڧ͍ Webϑϩϯτڧ͍ σβΠϯڧ͍ Designer ݩΞϓϦΤϯδχΞ ͔ͩΒΊͬͪΌ΍Γ΍͍͢ ͓΋Ζ͍اը Զ iOS ڧ͍ αʔόʔͪΐͬͱڧ͍ Ϟς͍ͨ

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͜ͷνʔϜͷڧΈ • ࠷΋਎ۙͰ͋Δࣗ෼ͷෆΛղܾ͍ͨ͠ਓͨͪͷू·Γ • શһΤϯδχΞ or ΤϯδχΞΛܦݧ͍ͯ͠Δ • Webʹ໌Δ͍ • DDDΛ࣮ફ͍ͨ͠ͱࢥͬͯΔ • ଞͷϓϥοτϑΥʔϜʹखΛग़͍ͨ͠ҙཉຬʑʢEngineer A ΋ Engineer B΋iOS΍Γ͍ͨͱࢥͬͯΔʣ

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๻͕͜ͷνʔϜͰ΍Γ͍ͨ͜ͱ • ΞΠσΟΞΛߴ଎͔ͭߴ඼࣭ʹ࣮ݱɺͦͯ͠ϦϦʔε͍ͨ͠ • iOSΞϓϦ։ൃͷઙ͍νʔϜϝϯόʔʹͱͬͯग़དྷΔݶΓෑ ډͷ௿͍΋ͷʹ͍ͨ͠ • iOS ͷ Redux ࣮૷ʹڵຯ͕͋ͬͨʢͳΜ͔৽͍͜͠ͱ΍Γ ͍ͨʣ • ihara ʹΞϯαʔιϯάΛॻ͖͔ͨͬͨ (https://tech.recruit- mp.co.jp/mobile/post-12398/)

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Redux + Passive MVP + Clean Arch(Essence)

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Why Redux?

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Why Redux? • ͱʔʔʔʔͬͯ΋೉͍͠ΞϓϦͷঢ়ଶ؅ཧʹରͯ͠ʮখ ͍֓͞೦ͱ࣮૷Ͱେ͖ͳ໰୊Λղܾ͍ͯ͠ΔʯReSwift ʢReduxʣ͕ඇৗʹඒ͍͠ͱײ͍ͯͨ͡ʢhttp:// in.fablic.co.jp/entry/reswiftʣ • ϝϯόʔ͕Webʹ໌Δ͍ͷͰReduxΛಋೖ͠΍͔ͬͨ͢ • ΞϓϦͷঢ়ଶʹਅͬ޲͔Βཱͪ޲͔͏͜ͱͰ࣮૷લʹ໰ ୊ʹؾ෇͚ΔΑ͏ʹ͔ͨͬͨ͠

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Why Passive MVP?

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Why Passive MVP?

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Why Passive MVP? ͓લͩʔʂʂ

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Why Passive MVP? • ϞόΠϧΞϓϦʹ͓͚Δ View ͸ͻͱ͜ͱͰ·ͱΊΒΕͳ ͍͙Β͍ෳࡶͰ೉͍͠ • UIKit ಠࣗͷ͜ͱʢIBͱ͔ಛʹʣ • Ξχϝʔγϣϯͱ͔ • DIͲ͏͢ΜͶΜͱ͔ • View Controller ͬͯͳΜ΍ͶΜͱ͔

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Why Passive MVP? • ͨͩͰ͑͞೉͍͠Ϗϡʔͷ࣮૷ʹ Redux ͩͱ͔ݻ༗ͷٕ ज़Λॻ͖ͨ͘ͳ͔ͬͨʢData Binding ͩͱͯ͠΋ͦ͏ʣ • Ͱ΋ iOS ॳ৺ऀʹͱͬͯɺ΍Γ΍͍͢ͷ͸΍ͬͺΓ Ϗϡʔ • Ϗϡʔʹ೉͍͜͠ͱΛॻ͔ͳ͍͜ͱͰ Engineer Aɺ Engineer BɺDesigner΋खΛ෇͚ΒΕΔΑ͏ʹ͔ͨͬ͠ ͨ

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Why Clean Arch(Essence)?

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Producer ݩRailsΤϯδχΞ ύογϣϯ͍͢͝ Engineer A αʔόʔڧ͍ Webϑϩϯτڧ͍ Πϯϑϥڧ͍ DDDಡॻձͱ͔΍Δਓ Engineer B ৽ଔ αʔόʔڧ͍ Webϑϩϯτڧ͍ σβΠϯڧ͍ Designer ݩΞϓϦΤϯδχΞ ͓΋Ζ͍اը Զ iOS ڧ͍ αʔόʔͪΐͬͱڧ͍

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Producer ݩRailsΤϯδχΞ ύογϣϯ͍͢͝ Engineer A αʔόʔڧ͍ Webϑϩϯτڧ͍ Πϯϑϥڧ͍ DDDಡॻձͱ͔΍Δਓ Engineer B ৽ଔ αʔόʔڧ͍ Webϑϩϯτڧ͍ σβΠϯڧ͍ Designer ݩΞϓϦΤϯδχΞ ͓΋Ζ͍اը Զ iOS ڧ͍ αʔόʔͪΐͬͱڧ͍ ͓લͩʔʂʂ

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Why Clean Arch(Essence)? • UIʢը໘αΠζʹىҼ͢Δ΋ͷɺUIKit౎߹ͱ͔ʣ΍WebAPIɺ͋ Δ͍͸DBʹґଘ͠ͳ͍Α͏ʹϏδωεϩδοΫΛॻ͖͔ͨͬͨ • ΞϓϦͱͯ͜͠ΕΛઌʹٞ࿦ࣔ͢͜͠ͱͰɺUI/WebAPI/DBΛຊ དྷ͋Δ΂͖࢟ʹಋ͖͔ͨͬͨ • ΈΜͳ༏͍͔͠ΒدΓ͕ͪʹͳΔ • DDDʹڵຯͷΤϯδχΞ͕͍Δ͜ͱͰɺಋೖָ͕ͩࣗ͠વͩͱ൑ அͨ͠

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Redux + Passive MVP + Clean Arch(Essence) ͸๻ΒͷνʔϜʹ ԿΛ΋ͨΒ͍ͯ͠Δ͔

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Redux’ s cons? • ΞϓϦͷঢ়ଶΛపఈͯ͠໌Β͔ʹ͠ͳ͚Ε͹ͳ Βͳ͍͔Βਏͦ͏… • ঢ়ଶͱΜͰ΋ͳ͍͜ͱʹͳΒͳ͍ʁ • ΞϓϦ͸ը໘Ҏ֎ʹ΋WebAPI,ετϨʔδ,σό Πεͱ͔ͨ͘͞Μ޲͖߹Θͳ͚Ε͹ͳΒͳ͍ ͷ…

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ͪΐͬͱ଴ͬͯʂ

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ͦΕ࣮ͬͯ૷͚ͩͷ໰୊ʁ

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ΞϓϦͷঢ়ଶΛෳࡶԽͤ͞ΔཁҼ • ࢓༷͕ෳࡶ • ը໘͕ෳࡶ • ͦ΋ͦ΋ΞϓϦ։ൃ͕ෳࡶ • etc…

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Producer ݩRailsΤϯδχΞ Engineer A αʔόʔڧ͍ Webϑϩϯτڧ͍ Πϯϑϥڧ͍ DDDಡॻձͱ͔΍Δਓ Engineer B ৽ଔ αʔόʔڧ͍ Webϑϩϯτڧ͍ σβΠϯڧ͍ Designer ݩΞϓϦΤϯδχΞ ͓΋Ζ͍اը Զ iOS ڧ͍ αʔόʔͪΐͬͱڧ͍

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ReduxΛಋೖ͢Δ͜ͱͰ • ϝϯόʔશһ͕ঢ়ଶΛҙࣝ͢ΔΑ͏ʹͳΔ • શһΤϯδχΞ͔ͩΒεςʔτϚγϯਤॻ͚ Δ͠ಡΊΔ • ࣮૷ɾϦϦʔε͢Δ΋ͬͱ΋ͬͱલʹؾ෇͚ Δ

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ແବʹෳࡶͰ೉͍͠ ࣮૷Λະવʹ๷͛Δ ʢෳࡶͳঢ়ଶΛϢʔβʔʹ ڧ͍Δલʹ…ʣ

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ίεύ͑͑΍Μʂ

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Passive MVPΛಋೖ͢Δ͜ͱͰ • ϝϯόʔશһ҆৺ͯ͠Ϗϡʔ͔ΒiOS։ൃΛֶ ΂ΔΑ͏ʹͳΔ • ϏϡʔΛॻ͍ͯΔͱ͖͸Ϗϡʔͷ͜ͱ͚ͩϨ Ϗϡʔ͢Ε͹ྑ͍ͷͰָʢଞ΋͔͠Γʣ

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ίεύ͑͑΍Μʂ

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Clean Arch(Essence)Λಋೖ͢Δ͜ͱͰ • UI΍WebAPI͕ΞϓϦʹҾͬுΒΕͣʹઃܭͰ ͖͍ͯΔ • Ξ΢ταΠυΠϯͳTDDΛ࣮ફ͠΍͍͢

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ίεύ͑͑΍Μʂ

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Redux + Passive MVP + Clean Arch(Essence) Λࢧ͑Δٕज़

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ReSwift Swinject/SwinjectStoryboard

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๻ΒͷνʔϜͷiOS։ൃΛࢧ͑Δٕज़

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SwiftLint OHTTPStubs Quick/Nimble Nimble-Snapshots RxSwift APIKit Fastlane CircleCI DeployGate

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๻͕΍Γ͍ͨ͜ͱ αʔϏεͷ࣮ݱํ๏ʹ৭ΜͳྖҬ͕͋ͬͯɺ ͦΕͧΕͰ৽͍͠ύϥμΠϜ͕࢈·Εͯ͸ফ͑ ͯ͘தͰɺΞϓϦΤϯδχΞͱͯ͠ɺ࣋ͪ͏Δ ͋ΒΏΔྗΛۦ࢖ͯ͠ΠϯϐʔμϯεϛεϚο νΛίεύΑ͘ղফ͠ɺΑΓྑ͘ɾΑΓૣ͘ Ձ஋Λಧ͚Δɻ

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܈༤ׂڌͰ ೖΕସΘΓܹ͍͠ࡢࠓ

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Redux + Passive MVP + Clean Arch(Essence) Λࢼͯ͠Έͯ͸ʂ

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Apendixʢ͋Γ͕ͱ͏͍͟͝·͢ʣ • https://speakerdeck.com/ninjinkun/reactive-swift-meetup • https://blog.fenrir-inc.com/jp/2017/08/ios-redux.html • http://blog.j5ik2o.me/entry/2016/09/09/200643 • https://news.realm.io/jp/news/krzysztof-zablocki- mDevCamp-ios-architecture-mvvm-mvc-viper • https://speakerdeck.com/mpon/unidirectional-data-ﬂow- in-reswift

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠