Androidアプリにおける複雑な画面と向き合うための設計戦略

Transcript

1. "OESPJEΞϓϦʹ͓͚Δ
   ෳࡶͳը໘ͱ޲͖߹͏ ͨΊͷઃܭઓུ גࣜձࣾΠάχε
   XJUIࣄۀ෦
   ాଜ
   ݠհ
   !,B[B,BHP
2. • ాଜ ݠհ @KazaKago • גࣜձࣾΠάχε • with Android൛ΤϯδχΞ • iOS΋ग़དྷΔΑʂ
4. ϚονϯάαʔϏε
   ͋Δ͋Δ
5. ϓϩϑΟʔϧ͕
   ௒௕͍ʂʂʂ
6. ϝΠϯࣸਅ αϒࣸਅ ࣗݾ঺հจ ग़਎஍ झຯ ݁ࠗ؍ ͻͱ͜ͱ ډॅ஍ ݂ӷܕ ݁ࠗྺ ٳ೔ ೥ऩ ֶྺ ৬ۀ ܑఋ࢞ຓ ੑ֨
7. ϝΠϯࣸਅ ϛογϣϯ ࣗݾ঺հ جຊϓϩϑΟʔϧ ͻͱ͜ͱ ৄࡉϓϩϑΟʔϧ ਍அ݁Ռ αϒࣸਅ ޷ΈΧʔυϕετ ޷ΈΧʔυ ՝ۚϦετΞ ૬ख͔Βݟͨը໘
8. ͯΜ͜੝Γʂʂ
9. ͜ΕʹΑͬͯ
   ։ൃ࣌ʹԿ͕ى͖Δ͔
10. ͦ͏
11. ΈΜͳͷ༑ୡ
    'BU"DUJWJUZͷొ৔ʂ ʢ͍ΘΏΔ'BU$POUSPMMFSঢ়ଶʣ
13. XJUIͷϓϩϑΟʔϧը໘ͷίʔυ MyProfileTopPresenter … 875 line MyProfileTopActivity … 1712 line = 2587 line !!!
14. ͦΕ͡ΌؼΓ·͢Ͷ
    ͓ർΕ༷Ͱͨ͠ ͬͯݴ͍ͨ͘ͳΔ ʢʢʢʢ
15. ͦΜͳંɺ
    ͜ͷը໘ͷશ໘վम͕
    ෣͍ࠐΜͩ
16. ͜Ε͸ϦϑΝΫλϦϯά
    νϟϯεͳͷͰ͸ʜʁ
17. ৽࢓༷
18. • ཁૉͷ਺ࣗମ͸มΘΒͣ • ը໘ߏ੒ͷมߋʹΑͬͯ͜ͷը໘ͷϩδοΫ͸ Ή͠Ζ૿͑ͨ • ݪܕ͕΄΅ͳ͘ɺҰ͔Β࡞Γ௚͠ • ֓೦্ͷϓϩϑΟʔϧ্ͷηΫγϣϯ͕ଘࡏ͢ Δ • ୯७ʹίʔυྔΛݮΒ͢ͷ͸೉͍͠
19. վमํ਑
20. • ֓೦্ͷηΫγϣϯผʹFragmentʹ෼ղ • Activity͸FragmentΛ഑ஔ͢Δ͚ͩʹప͢Δ • MVP -> MVVMύλʔϯ΁ͷҠߦ • Android Architecture Componentsͷ ViewModel, LiveDataͷ࠾༻ • Java -> Kotlin΁ͷҠߦ • CleanArchitectureͷపఈʹΑΔPresentation ૚ͷϩδοΫͷഉআ • Kotlin CoroutinesʹΑΔasync/awaitͷ࠾༻
21. MyProfileTopActionBarFragment MyProfileTopBasicInfoFragment MyProfileTopEventFragment MyProfileTopKonomiBestFragment MyProfileTopKonomiFragment MyProfileTopMainPhotoFragment MyProfileTopMissionFragment MyProfileTopPersonalityFragment MyProfileTopSelfIntroductionFragment MyProfileTopSubPhotoFragment
22. ͓ޓ͍ͷ'SBHNFOUͷσʔλͷ΍ΓऔΓ͸
    7JFX.PEFMͷ-JWF%BUBܦ༝ͰͷΈߦ͏ Fragment Fragment Fragment Fragment Activity ViewModel LiveData Presentation Layer Domain Layer UseCase UseCase UseCase UseCase
23. ࠷ऴతʹ
    Ͳ͏ͳ͔ͬͨ
24. MyProfileTopPresenter … 875 line -> MyProfileTopActivity … 1712 line -> MyProfileTop**Fragment … MyProfileTopViewModel … 7JFX.PEFM͸ߦ਺ͦ͜ଟ͍͕ɺ΄΅͢΂ͯͷ
    ϩδοΫΛυϝΠϯ૚΁Ҡৡ͍ͯ͠ΔͨΊɺ
    ΄ͱΜͲͷϝιου͕ߦҎԼʹ཈͑ΒΕͨ 242 line! Deleted! 168 average line! 936 line
25. ॕʂ୤'BU"DUJWJUZʂ