OK、理想のアーキテクチャは分かった。で、どこから手をつけんの？

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OKɺཧ૝ͷΞʔΩςΫνϟ ͸෼͔ͬͨɻͰɺͲ͔͜Β खΛ͚ͭΜͷʁ by takasek 2017/1/24 iOS Creators' Meetup vol.3 1

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FiNCΞϓϦɺࠓ݄ΑΓট଴੍Ͱ ެ։த 4

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!ଟػೳ! 5

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4 େྔͷϑΝΠϧͰϏϧυ͕ॏ͍ 4 ઃܭ͕ෳࡶ 4 ࢓༷มߋ࣌ͷӨڹ΋େ͖͍ ͱ͍͏Θ͚ͰνʔϜҰؙͱͳͬͯɺ ΞʔΩςΫνϟʹ͍ͭͯࢼߦࡨޡ͍ͯ͠ΔࡢࠓͰ ͢ 6

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࠷ۙͷiOSք۾ ΞʔΩςΫνϟ͕࿩୊Ͱ͢ ΫϦʔϯΞʔΩςΫνϟͱ͔ 7

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ͳΔ΄Ͳ ϨΠϠʔΛ෼ׂͯ͠ ந৅ʹґଘͯ͠ ςετͷ༰қੑΛߴΊͯ ;Μ;Μ 8

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࣍ͷϓϩδΣΫτͰ͸ ద༻ͯ͠ΈΑ͏͔ͳ͊ 9

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…ɻ 10

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!ࠓ։ൃͯ͠ΔΞϓϦͷɺ ͜ͷFat ViewControllerΛ Ͳ͏͢Ε͹͍͍Μͩʁ …ͱ͓ࢥ͍ͷوํ΁ɻ 11

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OKɺཧ૝ͷΞʔΩςΫνϟ ͸෼͔ͬͨɻͰɺͲ͔͜Β खΛ͚ͭΜͷʁ by takasek 2017/1/24 iOS Creators' Meetup vol.3 12

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iOS Clean Architecture - ૽Իͷͳ͍ੈք BLOG http://noiselessworld.hatenablog.jp/entry/ios- clean-architecture 15

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୯ํ޲ґଘΛ ແཧͳ͘ڧ੍ͤͭͭ͞ ࠓͷΞϓϦͷઃܭΛ վળ͢ΔͨΊʹ 16

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֤૚ͷ frameworkԽ! 17

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frameworkͷ੾Γ෼͚ 4 ԣ࣠ʢػೳʣ 4 ϥΠϒϥϦͷframework͸͜ΕͰ͢ΑͶ 4 ΞϓϦ಺ͷػೳͰɺଞͱಠཱੑͷߴ͍ίϯϙʔωϯ τ͸࠷ॳ͔Βԣ࣠ͰframeworkԽ͠ͱ͘ͷ΋͋Γ 4 ॎ࣠ʢΞʔΩςΫνϟͷϨΠϠʔʣ 4 ࠓճ࿩͢΋ͷ 4 ୯ํ޲ґଘ 18

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framework׆༻ͷϝϦοτ 4 ΞΫηείϯτϩʔϧΛ׆༻ 4 ࠷খݶͷΠϯλϑΣʔε͚͕ͩݟ͑ͯ҆શˍ ೴ʹ༏͍͠ 4 ґଘ͢ΔՕॴʹ͸ඞͣimport͕ඞཁ 4 Ϗϧυલʹґଘؔ܎ 4 ૬ޓґଘͰ͖ͳ͍࡞ΓΛڧ੍Ͱ͖Δ 4 Ϗϧυ࣌ؒ΋ݮΔ 19

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Speeding up Xcode Builds – Zalando Tech Blog https://tech.zalando.com/blog/speeding-up-xcode-builds/ Ϗϧυ͸ର৅ʹରͯ͠O(n^2)ͷॲཧͬΆ͍ ͭ·ΓϑΝΠϧͷ൒෼ΛผϑϨʔϜϫʔΫʹҠͤ͹ɺϏϧυ࣌ؒ͸1/4ʹʂ 20

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!ʮframeworkΛ ෼͚͗͢Δͱ໰୊͋Δ ͬͯฉ͍ͨΑ͏ͳʯ 21

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framework͕ଟ͍ͱىಈ࣌ʹམͪ Δ໰୊ iOS 9ͰΞοϓσʔτޙʹΞϓϦ͕ىಈͰ͖ͳ͘ͳΔ໰ ୊ͷݪҼͱղܾํ๏ - inFablic http://in.fablic.co.jp/entry/2016/06/09/150000 4 iOS9.3.2Ͱमਖ਼ࡁ 4 Ϣʔβʔͷ࢖༻୺຤ͷOSόʔδϣϯͱ૬ஊʁ 4 Ͱ΋ංେԽͨ͠ΞϓϦΛ਺ݸͷframeworkʹ෼཭͢ Δ͘Β͍ͳΒɺผʹଛ͸ͳ͍Μ͡Όͳ͍ʁ 22

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framework ෼ׂͷखॱ 23

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framework ෼ׂͷखॱ …Λ࿩͢લʹ 24

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ϔΩαΰφϧ ΞʔΩςΫνϟ ͷ࿩ 25

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!ʢ·ͨ৽͍͠ ΞʔΩςΫνϟͷ໊લ ग़͖ͯͨʣ 26

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ා͕Βͳ͍͍ͯ͘Α! 27

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ϔΩαΰφϧΞʔΩςΫνϟͱ͸1 1 ϔΩαΰφϧΞʔΩςΫνϟ(Hexagonal architecture຋༁) http://blog.tai2.net/hexagonal_architexture.html 28

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4 ΫϦʔϯΞʔΩςΫνϟͷΠϯεύΠΞݩͷͻͱͭ 4 ؙ͕࿡֯ܗʹͳͬͯΔ͚ͩʢͳ͓6ͱ͍͏਺ࣈʹҙຯ͸ͳ͍ʣ 4 ֤ลΛʮϙʔτʯͱ͍͏ 4 ʮϙʔτʯʹʮΞμϓλʯΛࠩ͠ସ͑Δ 4 ʮ಺ଆ΁ͷґଘʯͱ͍͏ίϯηϓτ͸ಉ͡ 29

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ϔΩαΰφϧΞʔΩςΫνϟ͸ɺ Applicationͷ֎͕ϙʔτͰ۠੾ΒΕͯΔ 30

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Fat ViewControllerͬͯͷ͸ͭ·Γ 31

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ΰʔϧ: ֤ϙʔτͷframeworkԽ 32

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·ͣҰา໨͸ɺ͜͏ 33

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Presentation Domain Separation 34

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Presentation Domain Separation(PDS) Presentation૚ʹؔ৺͕͋Δͷ͸ Presentation૚͚ͩ ͦΕҎ֎ΛɺڊେͳDomain Modelͱͯ͠ frameworkʹ੾Γग़͢ 35

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PDSͰ͖ͨΒɺ 36

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PDSͰ͖ͨΒɺଞͷϙʔτ΋… 37

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…෼ׂͯ͠ɺ׬੒ʂ 38

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ͬ͘͟Γ෼͚ͨ Model.frameworkͷத͸ ಉ͡खॱͰɺ͞Βʹ༰қʹ ࡉ෼ԽͰ͖Δ͸ͣ 39

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PDSͷࡉ͔͍खॱ 4 ຤୺(EntityͬΆ͍΋ͷ)͔ΒঃʑʹखΛ͚ͭɺ͡Θ͡Θ ͱModel.frameworkͷྖ౔Λ޿͍͛ͯ͘ 4 ࠷௿ݶͷpublic/openΞΫηείϯτϩʔϧ͚ͩ֎ʹެ։ 4 ࠷ॳ͔Βࡉ͔͘෼͚͗͢ͳ͍ 4 EntityͱUseCaseͱ͔ɺσʔλΞΫηε૚ͱ͔ɺࡉ͔ ͍͜ͱ͸ߟ͑ͳ͍ 4 !ͨͩɺ໌Β͔ʹDomainʹґଘ͠ͳ͍Utilityతͳ΋ ͷ͸ɺผframeworkͰ͍͍ͷͰ͸ 40

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frameworkʹҠ͠ऴΘͬͨΒ 4 ෆཁʹͳͬͨpublicΞΫηείϯτϩʔϧΛక Ί෇͚Δ 4 ফͯ͠ϏϧυΤϥʔʹͳΔ͔Ͳ͏͔Ͱ൑அ Ͱ͖ΔͷͰࢥߟఀࢭ͠ͳ͕Β࡞ۀͰ͖Δ 41

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ى͖͕ͪͳ໰୊ᶃ !ʮॲཧ͕ࠞ͟Γ߹ͬͯͯCore ͔ΒframeworkʹҠͤͳ ͍…ʯ 4 = ີ݁߹ 4 ઃܭ͕Α͘ͳ͍ͱؾ෇͚ͨʂ 4 ܕΛ෼ׂ͠ɺదٓ੾Γ෼͚Δ 4 ӨڹεέονΛඳ͘ ʢʮϨΨγʔίʔυվળ ΨΠυʯP194ʣ 42

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ى͖͕ͪͳ໰୊ᶄ Domain Modelͷ෼ׂΑΓલʹ ϙʔτͷ෼ׂʹखΛ͚ͭͯ͠· ͏ͱةͳ͍ ґଘํ޲: 4 ΞϓϦຊମ ! ϙʔτ 4 ϙʔτ !❌ ΞϓϦຊମ ϙʔτ͕ɺ·ͩDomain Model ͷframeworkʹҠߦͰ͖͍ͯ ͳ͍ίʔυʹґଘͯ͠͠·ͬͨ ৔߹ɺಈ͚ͳ͘ͳΔ 43

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ͦΜͳ͔Μ͡Ͱ frameworkΛ׆༻ͯ͠ɺϞδϡʔϧԽ͞Εͨઃ ܭΛखʹೖΕ·͠ΐ͏ ! 44

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ࢀߟϦϯΫ Speeding up Xcode Builds – Zalando Tech Blog https://tech.zalando.com/blog/speeding-up-xcode-builds/ iOS 9ͰΞοϓσʔτޙʹΞϓϦ͕ىಈͰ͖ͳ͘ͳΔ໰୊ͷݪҼͱղܾํ๏ - inFablic http://in.fablic.co.jp/entry/2016/06/09/150000 iOS Clean Architecture - ૽Իͷͳ͍ੈք BLOG http://noiselessworld.hatenablog.jp/entry/ios-clean-architecture ϔΩαΰφϧΞʔΩςΫνϟ(Hexagonal architecture຋༁) http://blog.tai2.net/hexagonal_architexture.html 45