チーム開発と Android アプリの構成

第4回スタートアップAndroid勉強会
https://connpass.com/event/59928/

Transcript

1. νʔϜ։ൃͱ"OESPJEΞϓϦͷߏ੒
   ୈճελʔτΞοϓ"OESPJEษڧձ
   ελʔτΞοϓʹ͓͚ΔΞʔΩςΫνϟͱͷ޲͖߹͍ํ
   

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2. ٶԼཽେ࿠
   $IBU8PSLגࣜձࣾ
   ΞϓϦέʔγϣϯ։ൃ෦νʔϜϦʔμʔ
   !SZVHPP@
   

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3. ߏ੒
   

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4. "OESPJEΞϓϦͷߏ੒
   ΞʔΩςΫνϟ
   ύοέʔδߏ੒
   

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5. ΞʔΩςΫνϟ
   .7$
   .71
   .77.
   'MVY
   7*1&3
   $MFBO"SDIJUFDUVSF
   FUD
   

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6. ϥΠϑαΠΫϧʹண໨͢ΔΞʔΩςΫνϟ
   ‣ 3Y+BWB΍&WFOU#VTΛ࢖͍ͬͯΕ͹ҙࣝ͢Δ͸ͣ
   PO4UBSUPO4UPQͰTVCTDSJCFVOTVCTDSJCF
   ߪಡ͕ഁغ͞Εͨͱ͖ͷ؂ࢹର৅ͷద੾ͳഁغ
   ‣ ϥΠϑαΠΫϧʹண໨͢Δͱ͞Βʹҙࣝ͢Δ͜ͱ
   ໾ׂͷ෼཭
   ը໘ͱ৘ใ
   ৘ใͱϩδοΫ
   ϩδοΫͱӬଓԽػߏ
   

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7. "OESPJE"SDIJUFDUVSF$PNQPOFOUT
   ‣ (PPHMF*0Ͱൃද͞Εͨ
   ‣ (PPHMFͷߟ͑ΔਪનΞʔΩςΫνϟ
   ‣ "DUJWJUZ'SBHNFOUͷϥΠϑαΠΫϧʹண໨
   ؍ଌՄೳͳϥΠϑαΠΫϧͱඥ෇͘σʔλ
   -JGFDZDMF-JWF%BUB
   ը໘ճసʹӨڹ͞Εͳ͍σʔλͷอ࣋
   7JFX.PEFM
   σʔλͷӬଓԽΛखॿ͚͢Δ
   3PPN1FSTJTUFODF-JCSBSZ
   

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8. ΞʔΩςΫνϟ͸ࣅͯ͘Δ
   ‣ "DUJWJUZ'SBHNFOU$VTUPN7JFX
   7JFX6*ͷ੍ޚʹूத͢Δ
   ‣ 7JFX.PEFM
   7JFXͷͨΊͷ஋Λอ࣋͢Δ
   7JFXͱϏδωεϩδοΫͷڮ౉͠
   ‣ #VTJOFTT-PHJD
   ஋ΦϒδΣΫτ
   ϏδωεϩδοΫ
   

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9. 7JFX
   7JFX.PEFM
   #VTJOFTT-PHJD
   ‣ 3Y+BWB
   ‣ JOUFSGBDF
   ‣ &WFOU#VT
   

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10. 7JFX
    7JFX.PEFM
    #VTJOFTT-PHJD
    ‣ 3Y+BWB
    ‣ JOUFSGBDF
    ‣ &WFOU#VT
    

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11. "OESPJEͷ7JFX͸΍΍͍͜͠
    ‣ "DUJWJUZ
    'SBHNFOU
    %JBMPH'SBHNFOU
    #PUUPN4IFFU
    $VTUPN7JFX
    ‣ ը໘಺ͷίϯϙʔωϯτಉ࢜΋௨৴͕ඞཁ
    7JFX.PEFMΛͲͷΑ͏ʹ࢖͏͔
    %BUB#JOEJOHͱͲ͏૊Έ߹ΘͤΔ͔
    

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12. 7JFX.PEFMΛͲͷΑ͏ʹ࢖͏͔
    ‣ Ϣʔβʔ͕ݟ͍ͯΔlը໘zʹؔ৺Λ޲͚Δ
    ʷ )PHF"DUJWJUZ⾮)PHF"DUJWJUZ7JFX.PEFM
    ̋ )PHF"DUJWJUZ
    )PHF'SBHNFOU
    )PHF$VTUPN7JFX
    )PHF7JFX.PEFM
    lը໘z΁ͷؔ৺ʹରͯ͠7JFX.PEFM͕͋Δ
    ۃྗ"OESPJE౎߹ʹҾͬுΒΕͨ͘ͳ͍
    

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13. 7JFX.PEFMΛͲͷΑ͏ʹ࢖͏͔
    ‣ "OESPJE"SDIJUFDUVSF$PNQPOFOUT
    7JFX.PEFM1SPWJEFSTܦ༝Ͱڞ༗Ͱ͖Δ
    class MyFragment: Fragment() {
    val viewModel: MyViewModel by lazy {
    ViewModelProviders.of(activity)
    .get(MyViewModel::class.java)
    }
    }
    

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14. %BUB#JOEJOHͱͲ͏૊Έ߹ΘͤΔ͔
    ‣ ֤ϨΠΞ΢τͱ7JFX.PEFMΛόΠϯυ
    7JFX.PEFM͸ը໘ͷτοϓίϯϙʔωϯτ͔Βऔಘ
    
    
    
    name="hogeViewModel"
    type="com.example.view.hoge.HogeViewModel"/>
    
    
    

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15. %BUB#JOEJOHͱͲ͏૊Έ߹ΘͤΔ͔
    ‣ 0CTFSWBCMF'JFMEͳͲ࢖ͬͯ૒ํ޲όΠϯυ
    android:text="@={hogeViewModel.textValue}">
    data class HogeViewModel(
    val textValue: ObservableField =
    ObservableField()
    )
    

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16. 7JFXͱ7JFX.PEFM
    )PHF
    "DUJWJUZ
    )PHF
    'SBHNFOU
    )PHF
    7JFX
    l)PHFz
    %BUB#JOEJOH
    l)PHF7JFX.PEFMz
    0CTFSWBCMF'JFME
    SY0CTFSWBCMF
    $PNNBOE
    &WFOU
    

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17. ೰Έ
    ‣ Ϣʔβʔ͕ݟ͍ͯΔlը໘zʹؔ৺Λ޲͚Δ
    Ͳ͜·Ͱ͕ಉ͡ίϯςΩετͷը໘ͳͷ͔
    )PHF"DUJWJUZ͕ΞΫςΟϒͰ͋Ε͹ɺ

    ͦ͜ʹදࣔ͞ΕΔ΋ͷ͸ಉ͡ίϯςΩετʁ
    ྫ͑͹l%JBMPH'SBHNFOUz͸Ͳ͏ͩΖ͏ʁ
    )PHF7JFX.PEFMΛ࣋ͭ΂͖͔൱͔
    ઐ༻ͷ7JFX.PEFM͕͋ͬͨํ͕ྑ͍ͷ͔
    දࣔ͞ΕΔ%JBMPHͷத਎Ͱ΋มΘΓͦ͏͚ͩͲ΋
    ʅЏʆʀ
    řŖƃʜ
    

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18. ύοέʔδߏ੒
    

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19. ύοέʔδߏ੒
    ‣ "OESPJEΞϓϦͷύοέʔδߏ੒͸ࣗ༝౓͕ߴ͍
    ϓϩδΣΫτσϑΥϧτͰ͸.BJO"DUJWJUZ͕

    ύοέʔδ௚Լʹυʔϯͱஔ͔Ε͍ͯΔ
    ‣ ྫ͑͹044ͳ"OESPJEϓϩδΣΫτͰ͸ʁ
    - root
    - ui
    - activities
    - fragments
    - views
    - viewmodels
    - root
    - ui
    - Activity.java
    - Fragment.java
    - model
    - utils
    

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20. Ͳ͜ʹ஫໨͢Δ͔
    ‣ ύοέʔδߏ଄ΛͲ͏෼ׂ͢Δ͔
    lVJz΍lNPEFMzʹ෼͚Δͷ͸ྑ͋͘Δ
    ෼͔Γ΍͍͢
    ‣ Ͱ΋
    lBDUJWJUZzͳͲͰ෼͚͍ͯ͘ͷ͕ຊ౰ʹྑ͍ͷ͔
    lը໘zʹண໨͢Δͱίʔυ͕෼ࢄͯ͘͠Δ
    ͞ΒʹlWJFXNPEFMz΋ग़ͯ͘Δͱʜʜʁ
    ̻̻̻ƅЧƅ
    űŘŎŎŎ
    

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21. ఏҊ
    ‣ Ϣʔβʔ͕ண໨͢Δը໘Λߏ੒͢ΔཁૉͰ·ͱΊΔ
    - root
    - ui
    - hoge
    - HogeActivity.kt
    - HogeFragment.kt
    - HogeCustomView.kt
    - HogeViewModel.kt
    - fuga
    - ……
    

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22. ఏҊ
    ‣ ϝϦοτ
    ύοέʔδϓϥΠϕʔτʹͰ͖Δ
    ը໘Λߏ੒͢ΔཁૉͰ·ͱΊΒΕΔͷͰࢄΒ͹Βͳ͍
    (JU)VCͷ3FQPTJUPSZ7JFXFSͰݟΔͱ͖΋ָʑ
    ‣ σϝϦοτ
    ࢥ͍͔ͭͳ͍ʂ
    

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23. ʹΌΜͳΜͷͨΊʹ
    

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24. ͳͥlΞʔΩςΫνϟzʹ஫໨͢Δͷ͔
    ‣ ਓͳΒ ଟ෼
    ͲΜͳܗͰ΋໰୊͸ͳ͍
    ਓ ਓʜʜνʔϜʹͳ͖ͬͯͨΒʁ
    டং͕ඞཁ
    ΞʔΩςΫνϟ͸டং
    νʔϜͷͨΊʹΞʔΩςΫνϟ͕͋Δ
    ‣ டং͕ͳ͍ͱͲ͏ͳΔͷ͔
    ։ൃ଎౓͕མͪɺόά΋ੜ·ΕɺΧΦεʹͳΔ
    Ϣʔβʔ΁ͷՁ஋ఏڙ͕ૄ͔ʹͳΔ
    

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25. ελʔτΞοϓͱΞʔΩςΫνϟ
    ‣ Ϗδωε͸੒ޭ͢Δ͔෼͔Βͳ͍
    ϐϘοτ͢Δ͜ͱ΋͋Δ
    ૉૣ͘։ൃͯ͠ɺՁ஋ͷݕূΛߦ͍͍ͨ
    Ͱ΋ɺϢʔβʔͷ໨͸ͱͯ΋੒ख़͍ͯ͠Δ
    ͸͡Ί͔Βҙਤ͢ΔػೳΛਖ਼͘͠ಈ࡞ͤ͞Δඞཁ͕͋Δ
    ૉૣ͍։ൃWTਖ਼͘͠ಈ࡞͢ΔϓϩάϥϜ
    ΞʔΩςΫνϟʹΑͬͯடংΛखʹೖΕΑ͏
    டংʹΑͬͯϢʔβʔ΁ͷՁ஋ఏڙΛखॿ͚͢Δ
    

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26. டং͋Δ։ൃΛߦ͏஥ؒΛ୳͍ͯ͠·͢
    ‣ $IBU8PSLͰ͸"OESPJEJ04ΤϯδχΞΛืूத
    ΞʔΩςΫνϟͱڞʹ͋Δ։ൃΛ͠·ͤΜ͔ʁ
    ౦ژΦϑΟεେࡕΦϑΟε
    ౦ژΦϑΟε͸݄ʹ౦ژλϫʔͦ͹ʹҠస͠·͢
    ࠓ͸ઙ૲ ͔ͬͺڮಓ۩֗ͷத
    ʹ͋Γ·͢
    IUUQDPSQDIBUXPSLDPNKBSFDSVJUFOHJOFFS
    

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27. ͓͠·͍
    

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