Android Architecture Componentsをメルカリ カウルに入れてみた話

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1. Android Architecture Components ΛϝϧΧϦ Χ΢ϧʹೖΕͯΈͨ࿩ גࣜձࣾι΢κ΢
   
   Ֆ഼
   ࿨໵
2. Souzoh confidential and proprietary ࣗݾ঺հ w ໊લՖ഼
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   w ৬छ"OESPJEΤϯδχΞܾಆऀ
   w ॴଐϝϧΧϦι΢κ΢
   w (JUΞΧ΢ϯτQSPUPTEIL 2
3. Souzoh confidential and proprietary 3
4. Souzoh confidential and proprietary Android Architecture Components 4
5. Souzoh confidential and proprietary Android Architecture Components 5 • Lifecycle
 Activity/Fragmentͱಉظͯ͠ঢ়ଶ͝ͱʹॲཧΛࠩ͠ࠐΊΔ • LiveData
 Activity/Fragment ͕ੜଘ͍ͯ͠Δ৔߹ʹͷΈσʔλΛྲྀͯ͘͠ΕΔ • ViewModel
 ը໘ճస࣌ʹActivity/Fragment ͕࠶ੜ੒͞Εͯ΋σʔλΛҾ͖ܧ͛Δ • Room
 SQLite ͷ Object Mapper
6. Souzoh confidential and proprietary ϝϧΧϦΧ΢ϧͷߏ੒ 6 w .71
   w 3Y+BWB Activity / Fragment Presenter onCreate onDestroy Viewͷొ࿥ CompositeDisposable.add CompositeDisposable.dispose Viewͷදࣔ etc
7. Souzoh confidential and proprietary Lifecycle 7
8. Souzoh confidential and proprietary Lifecycle 8 w 1SFTFOUFSͷվम w "DUJWJUZ'SBHNFOUͷվम
9. Souzoh confidential and proprietary Lifecycle 9 w ಋೖʹ͓͚ΔϝϦοτ
   w .71Ͱ͸ಉ͡Α͏ͳ໾ׂΛ࣋ͭ1SFTFOUFS͕طʹଘࡏ͍ͯ͠ΔͷͰมߋ͕؆୯
   w ຖճϥΠϑαΠΫϧܥͷϝιουͰ1SFTFOUFSΛݺͼग़͢ॲཧ͔Β։์
   w ؾΛ͚͍ͭͨϙΠϯτ
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   w 1SFTFOUFSʹدͤΔɺ૒ํ͔ΒΞΫηεͰ͖Δ4UBUFΫϥεΛ͓͍࣋ͬͯͨ΄͏͕ ྑ͍͔΋
10. Souzoh confidential and proprietary LiveData 10
11. Souzoh confidential and proprietary LiveData 11 w ϝϧΧϦɹΧ΢ϧͰ͸ΞϓϦશମʹσʔλΛ౉ͨ͢Ίʹ
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 1SFTFOUFSͰߪಡొ࿥Λ͍ͯ͠Δ ɾ֤੡඼ηϧʹ͍͍ͭͯΔ-JLF
    
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 ɾӾཡཤྺͷߋ৽ॲཧ
 ɾϐοΫΞοϓͷ௥Ճ → LiveDataʹஔ͖׵͑
12. Souzoh confidential and proprietary LiveData 12 w 1VCMJTI4VCKFDU
    
    #FIBWJPS4VCKFDUʹมΘΔ.VUBCMF-JWF%BUBΛੜ੒
    w 1SFTFOUFSʹߪಡॲཧΛ௥Ճ
13. Souzoh confidential and proprietary LiveData 13 w ಋೖʹ͓͚ΔϝϦοτ
    w ֤ը໘Ͱશମ௨஌ܥͷ$PNQPTJUF%JTQPTBCMFEJTQPTF͕ෆཁʹ
    w ؾΛ͚͍ͭͨϙΠϯτ
    w 1SFTFOUFSͰར༻͢Δ৔߹͸-JGFDZDMF0XOFSΛ౉͓ͯ͘͠ඞཁ͕͋Δ
    w ༷ʑͳը໘Ͱ͞ΕΔ1VCMJTI4VCKFDU
    
    #FIBWJPS4VCKFDUΛஔ͖׵͑Δ ͷ͸ख͔ؒͳ͋ ແཧͯ͠ஔ͖׵͑ͳͯ͘ྑ͍͔΋஌Εͳ͍
14. Souzoh confidential and proprietary ViewModel 14
15. Souzoh confidential and proprietary ViewModel 15 w ϝϧΧϦ
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    w ग़඼ը໘ͷύϥϝʔλೖྗɺ࿈ଓεΩϟϯը໘ͳͲͷը໘ભҠΛ લఏͱͨ͠ϨΠΞ΢τͷͨΊTBWFE*OTUBODF4UBUFΛར༻
 w ແݶεΫϩʔϧͷ7JFX1BHFSΛ࣋ͭϥϯΩϯάը໘ͳͲͰ͸Ұ౓ දࣔͨ͠λϒ಺ͷ৘ใΛϝϞϦΩϟογϡ͍ͯ͠Δ
 → ViewModelʹஔ͖׵͑ → ViewModelʹஔ͖׵͑Ͱ͖ͦ͏
16. Souzoh confidential and proprietary ViewModel 16 w ಉҰͷ7JFX.PEFMͰ΋LFZͰෳ਺ੜ੒Մೳ
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17. Souzoh confidential and proprietary ViewModel 17 w ಋೖʹ͓͚ΔϝϦοτ
    w 7JFXͷॳظԽɺݺͼग़͠ॲཧΛ*OTUBODF4UBUFܥͷϝιουʹ෼ࢄͤ͞ Δඞཁ͕ͳ͘ͳΓίʔυ͕·ͱ·ͬͨ
    w ؾΛ͚͍ͭͨϙΠϯτ
    w 7JFX.PEFMͷதʹ͸৭ʑೖΕΔ͜ͱ͕Ͱ͖Δ͕ɺԿΛೖΕ͓ͯ͘ͷ͔ ໌֬ʹ͓ͯ͘͜͠ͱ͕େࣄ
18. Souzoh confidential and proprietary ·ͱΊ 18 • ϝϧΧϦ Χ΢ϧͰҰ෦ػೳΛLifecycle,LiveData,ViewModelͰ࡞੒ • ΋ͱ΋ͱͷߏ଄͕Lifecycleʹ͍ͦͬͯͨ͜ͱ΋͋Γɺಋೖ͸؆୯ͩͬͨ • RxJava2Ͱ׬݁Ͱ͖͍ͯΔ෦෼Λࠩ͠ସ͑Δͷ͸͋·Γࢫຯ͕ͳ͍
19. Souzoh confidential and proprietary ࠷ޙʹ 19 ※ٕज़ॻͳͷʹԆʑͱΞχϝιϯάʹ͍ͭͯ೤͘ޠ͍ͬͯΔͷ෇࿥ίʔφʔ͕͓͢͢ΊͰ͢ ϝϧΧϦ Χ΢ϧͰಉਓຊΛग़͠·ͨ͠
20. Souzoh confidential and proprietary ͋Γ͕ͱ͏͍͟͝·ͨ͠ 20