Yahoo! JAPANアプリとLayered Architecture

by Takuya Shigemoto

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Yahoo! JAPANΞϓϦͱ Layered Architecture Ϡϑʔגࣜձࣾ ॏݩ ୓໵

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About me • ॏݩ ୓໵ʢtwitter: @shgmn9ʣ • Android / iOS • Ϡϑʔגࣜձࣾʢ2017.07ʙʣ • Android൛ Yahoo! JAPANΞϓϦ • Χϝϥͱੜ͖෺͕޷͖ • ञ

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ΞδΣϯμ • Yahoo! JAPANΞϓϦ๊͕͍͑ͯͨ໰୊ • Layered Architectureಋೖ • Layered Architectureಋೖͷ੒Ռ • ઃܭΛҡ࣋͢ΔऔΓ૊Έ • ͜Ε͔Β • ·ͱΊ

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Yahoo! JAPANΞϓϦ͕ ๊͍͑ͯͨ໰୊ ࣸਅɿΞϑϩ

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ࣸਅɿΞϑϩ ໰୊ • େਓ਺ͷ։ൃͰɺෳ਺Ҋ͕݅ฒߦͯ͠૸Δ • ໌֬ͳઃܭํ਑͕ແ͍ • Ϣχοτςετ͕ॻ͖ͮΒ͍

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ઃܭͷબ୒ ࣸਅɿΞϑϩ

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Model View Whateverʁ ࣸਅɿΞϑϩ • Model View Whatever • MVP…ModelͱViewͱPresenter • MVVM…ModelͱViewͱViewModel • Presentation Domain SeparationʢPDSʣ • Presentation…ೖྗΛड͚औΔɺݟͨ໨Λ࡞Δ • Domain…ͦΕҎ֎

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Presentationʹ͍ͭͯ ࣸਅɿΞϑϩ • Presentationͷ࣮ݱ • MVP…ViewͱPresenter • MVVM…ViewͱViewModel

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Domainʹ͍ͭͯ ࣸਅɿΞϑϩ • Domain͸ʁ • MVP΍MVVMͷMʢModelʣͷ͜ͱ • Domainͷઃܭʹ͍ͭͯ͸MVWͰ͸৮Ε͍ͯͳ͍

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Layered Architectureಋೖ ࣸਅɿΞϑϩ

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goo.gl/GTAfLv

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Application Presentation Domain Infrastructure ViewͱWhatever Model

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Application Presentation Domain Infrastructure Ϣʔβೖྗɺදࣔ Presentation͕ୟ͘૭ޱ υϝΠϯ΁ΞΫηε͠ϢʔεέʔεΛ࣮ݱ ϏδωεϩδοΫ ֎෦΁ͷΞΫηεʢωοτϫʔΫɾDBɾetc…ʣ

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ಋೖํ๏ • ϨΠϠʔ෼ׂΛ࣮ࡍʹίʔυʹద༻͢ΔͨΊʹ • ઃܭن໿ҧ൓Λػցతʹ஄͘࢓૊Έ͕ඞཁ • ֤ϨΠϠʔ͸ผϞδϡʔϧʹ෼ׂ ࣸਅɿΞϑϩ

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Application Presentation Domain Infrastructure compile project(‘:Application’) compile project(‘:Domain’) compile project(‘:Infrastructure’)

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Application Presentation Domain Infrastructure Observable Observable Observable

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αʔϏεͷάϩʔε • ػೳ௥Ճ͸ࢭ·Βͳ͍ • ಉҰػೳͷϦϑΝΫλϦϯάͱػೳ௥Ճ͕ಉ࣌ʹ૸Βͳ ͍Α͏ʹεέδϡʔϧΛҾ͍ͨ ࣸਅɿΞϑϩ

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඼࣭ • େن໛ͳϦϑΝΫλϦϯάͷલޙͰͷ඼࣭୲อ • ApplicationϨΠϠʔҎԼ͸ϢχοτςετʢC0ʣΛٛ຿ ෇͚ͨ • Coverage 80%Ҏ্ ࣸਅɿΞϑϩ

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ఘΊͨ͜ͱ • DIಋೖ • Dagger2͸ֶशίετΛߟ͑ͯಋೖΛఘΊͨ ࣸਅɿΞϑϩ

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Layered Architecture ಋೖͷ੒Ռ ࣸਅɿΞϑϩ

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ಘͨ΋ͷ • ίʔυ͕͖Ε͍ʹͳͬͨ • ػೳ௥Ճͷࡍʹ೰Ή͜ͱ͕ݮͬͨ • ϝϯόͷٕज़Ϩϕϧ͕੒௕ͨ͠ • ৽نʹδϣΠϯ͠΍͘͢ͳͬͨ ࣸਅɿΞϑϩ

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Layered ArchitectureΛ ҡ࣋͢ΔऔΓ૊Έ ࣸਅɿΞϑϩ

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• ίϛολʔ੍౓ • ࢓༷ڞ༗ձ • ઃܭϨϏϡʔձ ࣸਅɿΞϑϩ

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ίϛολʔ੍౓ • ֓ཁ • ઃܭɾ࣮૷ํ਑Λཧղͨ͠ϝϯόʔʢίϛολʔʣʹϓϧϦΫΤε τͷϨϏϡʔͷ੹຿Λෛͬͯ΋Β͏ • ϓϧϦΫΤετͷϚʔδʹ͸ɺ࠷௿1ਓͷίϛολʔͷঝೝ͕ඞཁ • ໨త • େن໛ϦϑΝΫλϦϯάޙͷίʔυΛܧଓతʹ͖Ε͍ͳঢ়ଶʹอͭ • ݱࡏʢ2018.03ʣ • ։ൃϝϯό21ਓʹର͠ίϛολʔ5ਓ ࣸਅɿΞϑϩ

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࢓༷ڞ༗ձ • ֓ཁ • Ҋ݅࢓༷Λ؆୯ʹυΩϡϝϯτʹ·ͱΊɺΤϯδχΞ ؒͰڞ༗͢Δձ • ໨త • ଐਓԽΛղফ͢Δ • ࢓༷ͷٕज़తͳݒ೦఺Λઃܭલʹચ͍ग़͢ • ଞҊ݅ͱͷฒߦ։ൃͷ࣮ݱՄೳੑΛݕ౼͢Δ ࣸਅɿΞϑϩ

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ࣸਅɿΞϑϩ ઃܭϨϏϡʔձ • ֓ཁ • ࢓༷ڞ༗ձͰγΣΞͨ͠࢓༷ʹؔ͢ΔઃܭΛυΩϡϝ ϯτʹ·ͱΊɺΤϯδχΞؒ • ໨త • ઃܭํ਑Λἧ͑ɺΞϓϦͷઃܭɾ඼࣭Λҡ࣋͢Δ

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͜Ε͔Β ࣸਅɿΞϑϩ

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΍͍͖͍ͬͯͨऔΓ૊Έ • UIͷςετ • DI • AACʢLifecycleɺViewModelɺLiveDataʣ • Ϗϧυͷߴ଎Խ • ػೳ͝ͱͷϚϧνϞδϡʔϧԽ ࣸਅɿΞϑϩ

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·ͱΊ

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·ͱΊ • ղܾ͍ͨ͠໰୊Λ͖ͪΜͱݟఆΊͯಋೖ͢ΔઃܭΛܾΊ Δ͜ͱ • ઃܭͷಋೖʹ͋ͨͬͯɺແཧ͸͠ͳ͍͜ͱ • ϏδωεଆͷཧղΛ͖ͪΜͱಘΔ͜ͱ • ઃܭΛҡ࣋͢ΔͨΊͷࢪࡦΛ͖ͪΜͱߦ͏͜ͱ

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Yahoo! JAPANͰ͸ ༷ʑͳྖҬͰΤϯδχΞΛืू͍ͯ͠·͢ʂ https://about.yahoo.co.jp/hr/ ࣸਅɿΞϑϩ

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Thank you!