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CleanArchitecture For Android
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MinoHiroki
January 14, 2017
Technology
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CleanArchitecture For Android
CleanArchitectureを参考に、Androidアプリをつくってみたことの紹介
MinoHiroki
January 14, 2017
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Transcript
CleanArchitectureϕʔεͰ AndroidΞϓϦͭͬͯ͘Έͨ
ࣗݾհ ❖ 2014CyberAgent৽ଔೖࣾ ❖ androidྺ2 ❖ AMESTAGEͷandroid։ൃΛ୲ ❖ झຯɿήʔϜɾΞχϝɾΞΠυϧ ࡾ
߂وʢMino Hirokiʣ
AMESTAGEհ
None
࣍ ❖ CleanArchitectureͱʁ ❖ CleanArchitectureʹج͍ͮͨAndroid։ൃ ❖ ;Γ͔͑Γ
࣍ ❖ CleanArchitectureͱʁ ❖ CleanArchitectureʹج͍ͮͨAndroid։ൃ ❖ ;Γ͔͑Γ
CleanArchitectureͱʁ υϝΠϯۦಈ։ൃʢDDDʣɺϢʔεέʔεۦಈ։ൃʢUCDDʣͳͲΛϕʔεʹఏҊ͞Εͨɺ ֤ػೳΛͭͷΛͬͨԁܗͷϨΠϠʔʹ͚ɺ֤ϨΠϠʔؒʹґଘؔͷϧʔϧΛ࣋ͨͤͨઃܭࢥɻ UIͱϏδωεϩδοΫΛΩϨΠʹ͚Δ͜ͱ͕Ͱ͖ɺݻ༗ͷϑϨʔϜϫʔΫσʔλετΞʹґଘ͠ͳ͍ͱ͍͏ ͷ͕࠷େͷϝϦοτɻ
CleanArchitectureͱʁ 4ͭͷϨΠϠʔ ଆͷԁ΄ͲαʔϏεͷࠜװͱͳΔߴ࣍ͷ֓೦ɻ ֎ଆ۩ମతͳ%#6*ͳͲɺৄࡉͳ֓೦ɻ
CleanArchitectureͱʁ Enterprise Business RulesʢEntitiesʣ αʔϏεશମʹڞ௨͢ΔϏδωεϧʔϧɻ͜ͷઃܭʹ͓͚Δ࠷ߴϨϕϧͷϧʔϧɻ ྫʣAMESTAGEͷ߹ɺνϟϯωϧใ์ૹใɺϢʔβʔใͳͲͷఆٛɻ
CleanArchitectureͱʁ Application Business RulesʢUseCasesʣ ΞϓϦέʔγϣϯݻ༗ͷϏδωεϧʔϧɻʢࠓճͷ߹ʣAndroidΞϓϦ͕ඞཁͱ͢ΔϏδωεϩδοΫ͕͜͜ʹೖΔɻ ྫʣ์ૹIDΛݩʹ์ૹใΛऔಘ͢ΔɺTwitter࿈ܞใΛݩʹαʔϏεͷೝূΛߦ͏ͳͲɻ
CleanArchitectureͱʁ Interface AdaptersʢControllers/Presenters/Gatewaysʣ UIDBͳͲͷ֎෦ػؔͱɺϢʔεέʔεΤϯςΟςΟͳͲͷυϝΠϯʢαʔϏεͷࠜװʣͱͷؒͷڮ͠ͷͨΊͷɺ σʔλมΛߦ͏Adapter܈ɻ͜ͷUIDBʹؔ͢ΔใΛ͍ͬͯΔ͕ɺEntity UseCaseΒͳ͍ɻ
CleanArchitectureͱʁ Frameworks & DriversʢWeb / UI / DB …ʣ ͜ͷઃܭʹ͓͚Δ࠷֎ɻDBUIϑϨʔϜϫʔΫͳͲ͕͜͜ʹଐ͢Δɻ
FY 42-ωοτϫʔΫͷίʔυɺ6*ͷඳըͳͲ
CleanArchitectureͱʁ ґଘؔͷϧʔϧ ԁͷ֎ଆͷ͕ଆͷʹґଘ͢Δɻʢଆͷ֎ଆͷͷ͜ͱΛΒͳ͍ʣ ଆͷͷ͕֎ଆͷͷΛར༻͢Δͱ͖ɺΠϯλʔϑΣʔεΛఆٛͯ͠ʢ͞ΒʹDIͱΈ߹ΘͤΔ͜ͱʹΑΓʣɺૄͳؔ Λ่͞ͳ͍ɻʢϢʔεέʔε͕DBΛѻ͏߹RepositoryΠϯλʔϑΣʔεΛఆٛ͢Δʣ
࣍ ❖ CleanArchitectureͱʁ ❖ CleanArchitectureʹج͍ͮͨAndroid։ൃ ❖ ;Γ͔͑Γ
CleanArchitectureʹج͍ͮͨAndroid։ൃ
Activity/Fragment Viewͱͯ͠ͷׂ→ViewModelͷใΛը໘ʹදࣔ ίϯτϩʔϥͱͯ͠ͷׂ→PresenterͷϦΫΤετ ViewModel ֤ը໘ͷঢ়ଶɻ Presenter ֤ը໘ݻ༗ͷϩδοΫɻ UseCase σʔλͷऔಘߋ৽ͳͲͷϏδωεϩδοΫ Entity
αʔϏε্ͷ֓೦Λͦͷ··දݱͨ͠Ϋϥε܈ɻ ϢʔβʔใɺνϟϯωϧใͳͲɻ Repository ӬଓԽσʔλͷग़͠ೖΕɻ "1*%#ͷΞΫηεΛϥοϓ͢Δɻ API DB APIϩʔΧϧDB͔Βͷσʔλͷऔಘɻ CleanArchitectureʹج͍ͮͨAndroid։ൃ
CleanArchitectureʹج͍ͮͨAndroid։ൃ Activity/Fragment Viewͱͯ͠ͷׂ→ViewModelͷใΛը໘ʹදࣔ ίϯτϩʔϥͱͯ͠ͷׂ→PresenterͷϦΫΤετ ViewModel ֤ը໘ͷঢ়ଶɻ Presenter ֤ը໘ݻ༗ͷϩδοΫɻ UseCase σʔλͷऔಘߋ৽ͳͲͷϏδωεϩδοΫ
Entity αʔϏε্ͷ֓೦Λͦͷ··දݱͨ͠Ϋϥε܈ɻ ϢʔβʔใɺνϟϯωϧใͳͲɻ Repository ӬଓԽσʔλͷग़͠ೖΕɻ "1*%#ͷΞΫηεΛϥοϓ͢Δɻ API DB APIϩʔΧϧDB͔Βͷσʔλͷऔಘɻ
֎෦ͷӬଓԽػߏ͔Βσʔλ͕ฦ͍ͬͯ͘ྲྀΕɺ RxJavaΛར༻ͯ͠ObservableͷܗͰฦ͢ɻʢίʔυ ͕γϯϓϧʹͳΔͷͰʣ CleanArchitectureʹج͍ͮͨAndroid։ൃ
ԁͷଆ͔Β֎ଆʹ͔͏ՕॴInterfaceΛఆٛ͠ ͯɺ֎ଆͷΫϥε͜ΕΛimplements͢Δɻ ͜ΕʹΑΓɺଆͷΫϥε͕֎ଆͷΫϥεʹґଘ͠ͳ ͍Α͏ʹ͢ΔɻʢDIʹDagger2Λར༻ʣ CleanArchitectureʹج͍ͮͨAndroid։ൃ
| |- mobile | | | |- ui | |-
user // Activity/Fragment&Presenter&ViewModel | |- UserActivity | |- UserComponent | |- UserPresenter | |- UserView | |- UserViewModel | |- core | |- user | |- repository // Repository & Dao /Api | | |- UserRepositoryImpl | | |- UserApi | | |- UserDao | | | |- usecase // UseCase | | |- GetLoginUser | | | |- User // Entity | ύοέʔδߏ CleanArchitectureʹج͍ͮͨAndroid։ൃ
CleanArchitectureʹج͍ͮͨAndroid։ൃ ۩ମతͳίʔυͷհ αϯϓϧɿϩάΠϯϢʔβʔใΛදࣔ͢Δը໘
| |- core | |- user | |- repository //
Repository & Dao /Api | | |- UserRepositoryImpl | | |- UserApi | | |- UserDao | | | |- usecase // UseCase | | |- GetLoginUser | | | |- User // Entity | CleanArchitectureʹج͍ͮͨAndroid։ൃ
Entity CleanArchitectureʹج͍ͮͨAndroid։ൃ Entityͷׂ ɾαʔϏεͷࠜװͱͳΔ֓೦ͷఆٛΛߦ͏
UseCase CleanArchitectureʹج͍ͮͨAndroid։ൃ UseCaseͷׂ ɾΞϓϦέʔγϣϯͷϏδωεϩδοΫ ɾThreadͷઃఆɻ࣮ߦผεϨουɺ݁ՌΛฦ͢ͷϝΠϯεϨουɻʢ࣮ࡍͷ։ൃͰجఈΫϥεͰߦ͍ͬͯΔʣ ɾϦϙδτϦΛར༻ͨ͠ॲཧɻෳϦϙδτϦΛར༻͢Δ͜ͱ͋Δɻ ɹʮϩάΠϯϢʔβʔΛऔಘ͔ͯ͠ΒϢʔβʔͷνϟϯωϧใΛऔಘ͢ΔʯͳͲ
UseCase CleanArchitectureʹج͍ͮͨAndroid։ൃ UseCaseͷׂ ɾΞϓϦέʔγϣϯͷϏδωεϩδοΫ ɾThreadͷઃఆɻ࣮ߦผεϨουɺ݁ՌΛฦ͢ͷϝΠϯεϨουɻʢجఈΫϥεͰߦ͍ͬͯΔɻίʔυׂѪʣ ɾϦϙδτϦΛར༻ͨ͠ॲཧɻෳϦϙδτϦΛར༻͢Δ͜ͱ͋Δɻ ɹʮϩάΠϯϢʔβʔΛऔಘ͔ͯ͠ΒϢʔβʔͷνϟϯωϧใΛऔಘ͢ΔʯͳͲ
Repository CleanArchitectureʹج͍ͮͨAndroid։ൃ Repositoryͷׂ ɾӬଓԽػߏʹର͢ΔγϯϓϧͳΠϯλʔϑΣʔεΛఏڙ ɾ۩ମతͳDBAPIͷ࣮ผΫϥεʹఆٛ͠ɺͦΕΛར༻͢Δ͚ͩɻʢDao/ApiͷίʔυׂѪʣ
| |- mobile | | | |- ui | |-
user // Activity/Fragment&Presenter&ViewModel | |- UserActivity | |- UserComponent | |- UserPresenter | |- UserView | |- UserViewModel CleanArchitectureʹج͍ͮͨAndroid։ൃ
Presenter CleanArchitectureʹج͍ͮͨAndroid։ൃ Presenterͷׂ ɾUIϩδοΫͷ୲͍खɻUseCaseΛ༻͍ͯɺը໘ͷඳըʹඞཁͳॲཧΛߦ͏ɻ ɾUseCaseͷ݁ՌΛViewʹ͑Δͱ͖ɺViewΠϯλʔϑΣʔεΛఆٛͯ͜͠ΕΛܦ༝͢Δ PresenterͷجఈΫϥεͰߦ͏ॲཧʢίʔυׂѪʣ ɾڞ௨ͷΤϥʔϋϯυϦϯάʢex. ڧ੍ΞοϓσʔτͷΤϥʔίʔυ͕͖ͨΒμΠΞϩάදࣔʣ ɾSubscriptionͷཧʢActivity.onDestroyͰ࣮ߦதͷॲཧΛഁغ͢Δʣ
ViewModel CleanArchitectureʹج͍ͮͨAndroid։ൃ ViewModelͷׂ ɾը໘ʹؔ͢Δঢ়ଶΛ͜͜ʹఆٛ͠ɺมߋΛActivity/Fragmentʹ௨͢Δ ɾandroid.databinding.Observableʓʓ ͕ศར
Activity/Fragment CleanArchitectureʹج͍ͮͨAndroid։ൃ Activity/Fragmentͷׂ ɾViewModelͷใΛViewʹඳը͢Δ ɾPresenterʹॲཧΛϦΫΤετ͢Δ ʢϥΠϑαΠΫϧɺΫϦοΫΠϕϯτɺetc..ʣ
| |- mobile | | | |- ui | |-
user // Activity/Fragment, Presenter, ViewModel | |- UserActivity | |- UserComponent | |- UserPresenter | |- UserView | |- UserViewModel | |- core | |- user | |- repository // Repository, Dao/Api | | |- UserRepositoryImpl | | |- UserApi | | |- UserDao | | |- UserRepositoryModule | | | |- usecase // Usecase | | |- GetLoginUser | | |- UserRepository | | | |- User // Entity | CleanArchitectureʹج͍ͮͨAndroid։ൃ ҎԼͷจࣈͷΫϥεpackageείʔϓͰఆٛͰ͖Δ
࣍ ❖ CleanArchitectureͱʁ ❖ CleanArchitectureʹج͍ͮͨAndroid։ൃ ❖ ;Γ͔͑Γ
;Γ͔͑Γ Α͔ͬͨ͜ͱ ɾ͖Ε͍ʹ͔͚Δ&͋Δఔ͓ܾ·Γͷίʔυʹͳͬͯ͘ΔͷͰɺ ɹਂ͘ߟ͑ͣʹॻ͚Δ͠ϨϏϡʔ͍͢͠ɻ ɾςετॻ͖͍͢ʢҰ൪֎ଆҎ֎୯७ͳjavaͷςετίʔυ͕ॻ͚Δʣ ɾείʔϓΛݶఆͯ͠ίʔυΛΊΔͷ͕خ͍͠ ΘΔ͔ͬͨ͜ͱɺେมͩͬͨ͜ͱ ɾ؆୯ͳػೳՃͰίʔυྔଟ͘ͳΔ ɾνʔϜͰͷڞ༗ʢGithubͷwikiΛར༻ɻ͋ͱϨϏϡʔ͠ͳ͕Βʣ
CleanArchitectureϕʔεͰAndroidΞϓϦͭͬͨ͘ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ