Android Architecture Componentsを使って、改善・効率化するAndroidアプリ開発

@builderscon 2019

Transcript

1. ©2019 Wantedly, Inc.
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   2019.8.30 -
   

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2. ©2019 Wantedly, Inc.
   Ryo Sakaguchi
   • Wantedly, Inc
   • Android/Kotlin…
   • Sake/Beer/Guitar…
   • Twitter/GitHub: @wakwak3125
   

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3. ϖʔδλΠτϧ ϖʔδαϒλΠτϧ
   ©2019 Wantedly, Inc.
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   ͍Βͬ͠Ό͍·͢ʜʁ
   

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4. ©2019 Wantedly, Inc.
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   AAC=Android Architecture Components
   

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5. ©2019 Wantedly, Inc.
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   AAC=Android Architecture Components
   

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6. ©2019 Wantedly, Inc.
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   AAC=Android Architecture Components
   

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7. ©2019 Wantedly, Inc.
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   AAC=Android Architecture Components
   

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8. ©2019 Wantedly, Inc.
   ""$ͷશମ૾
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   AAC=Android Architecture Components
   

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9. ©2019 Wantedly, Inc.
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10. ©2019 Wantedly, Inc.
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11. ©2019 Wantedly, Inc.
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    ""$ͷશମ૾
    

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12. ©2019 Wantedly, Inc.
    Android architecture components 

    are a collection of libraries that help you design robust, testable, and
    maintainable apps.
    Page Title Page Subtitle
    https://developer.android.com/topic/libraries/architecture
    

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13. ©2019 Wantedly, Inc.
    Android architecture components 

    are a collection of libraries that help you design robust, testable, and
    maintainable apps.
    Page Title Page Subtitle
    https://developer.android.com/topic/libraries/architecture
    

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14. ©2019 Wantedly, Inc.
    Android architecture components 

    are a collection of libraries that help you design robust, testable, and
    maintainable apps.
    Page Title Page Subtitle
    https://developer.android.com/topic/libraries/architecture
    

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15. ©2019 Wantedly, Inc.
    Android architecture components 

    are a collection of libraries that help you design robust, testable, and
    maintainable apps.
    Page Title Page Subtitle
    https://developer.android.com/topic/libraries/architecture
    

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16. ©2019 Wantedly, Inc.
    Android architecture components 

    are a collection of libraries that help you design robust, testable, and
    maintainable apps.
    Page Title Page Subtitle
    https://developer.android.com/topic/libraries/architecture
    

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17. ©2019 Wantedly, Inc.
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18. ©2019 Wantedly, Inc.
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19. ©2019 Wantedly, Inc.
    https://developer.android.com/
    jetpack/docs/guide
    Page Title Page Subtitle
    

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20. ©2019 Wantedly, Inc.
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21. ©2019 Wantedly, Inc.
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22. ©2019 Wantedly, Inc.
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    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=“.MainActivity">
    android:id="@+id/text_view"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent" />
    
    text_view
    

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23. ©2019 Wantedly, Inc.
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    val textView = findViewById(R.id.text_view)
    textView.text = "Hello, World!"
    text_view
    

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24. ©2019 Wantedly, Inc.
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    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    android:id="@+id/text_view"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@{text}"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent" />
    
    android:text="@{text}"
    

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25. ©2019 Wantedly, Inc.
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    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    android:id="@+id/text_view"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@{text}"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent" />
    
    android:text="@{text}"
    

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26. ©2019 Wantedly, Inc.
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    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    android:id="@+id/text_view"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@{text}"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent" />
    
    android:text="@{text}"
    

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27. ©2019 Wantedly, Inc.
    Lifecycle
    Lifecycle-Aware Components
    

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28. ©2019 Wantedly, Inc.
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    w ը໘͕ੜ͖͍ͯΔ࣌ʹඇಉظॲཧͷ݁Ռ͕ฦͬͯ
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29. ©2019 Wantedly, Inc.
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    fun start() {
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30. ©2019 Wantedly, Inc.
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    @OnLifecycleEvent(Lifecycle.Event.ON_START)
    fun start() {
    // startObserveSomething { result ->
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31. ©2019 Wantedly, Inc.
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    @OnLifecycleEvent(Lifecycle.Event.ON_START)
    fun start() {
    // startObserveSomething { result ->
    // callback(result)
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    fun stop() {
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32. ©2019 Wantedly, Inc.
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33. ©2019 Wantedly, Inc.
    LiveData
    Observable data holder
    

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34. ©2019 Wantedly, Inc.
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35. ©2019 Wantedly, Inc.
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36. ©2019 Wantedly, Inc.
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37. ©2019 Wantedly, Inc.
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38. ©2019 Wantedly, Inc.
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    public interface LifecycleOwner {
    /**
    * Returns the Lifecycle of the provider.
    *
    * @return The lifecycle of the provider.
    */
    @NonNull
    Lifecycle getLifecycle();
    }
    

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39. ©2019 Wantedly, Inc.
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    })
    

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40. ©2019 Wantedly, Inc.
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41. ©2019 Wantedly, Inc.
    ViewModel
    Store and manage UI-related data in a lifecycle conscious way
    

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42. ©2019 Wantedly, Inc.
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    public abstract class ViewModel {
    @SuppressWarnings("WeakerAccess")
    protected void onCleared() {
    }
    }
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43. ©2019 Wantedly, Inc.
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44. ©2019 Wantedly, Inc.
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45. ©2019 Wantedly, Inc.
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46. ©2019 Wantedly, Inc.
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47. ©2019 Wantedly, Inc.
    Room
    Room Persistence Library
    

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48. ©2019 Wantedly, Inc.
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49. ©2019 Wantedly, Inc.
    WorkManager
    

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50. ©2019 Wantedly, Inc.
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51. ©2019 Wantedly, Inc.
    σόΠεͷঢ়ଶʁ
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52. ©2019 Wantedly, Inc.
    $POTUSBJOUT#VJMEFS
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53. ©2019 Wantedly, Inc.
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54. ©2019 Wantedly, Inc.
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55. ©2019 Wantedly, Inc.
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56. ©2019 Wantedly, Inc.
    ศརʹ࢖͑ΔɺެࣜɺϞμϯ͞
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57. ©2019 Wantedly, Inc.
    طଘϓϩμΫτ΁ͷಋೖͱͦͷมԽ
    

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58. ©2019 Wantedly, Inc.
    ઃܭʹมԽ͕ੜ·Εͨ
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59. ©2019 Wantedly, Inc.
    8BOUFEMZ1FPQMF
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60. ©2019 Wantedly, Inc.
    ౰ॳͷઃܭ
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61. ©2019 Wantedly, Inc.
    ݱࡏͷઃܭ
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62. ©2019 Wantedly, Inc.
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63. ©2019 Wantedly, Inc.
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64. ©2019 Wantedly, Inc.
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65. ©2019 Wantedly, Inc.
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66. ©2019 Wantedly, Inc.
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67. ©2019 Wantedly, Inc.
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68. ©2019 Wantedly, Inc.
    8PSL.BOBHFSͷಋೖ
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69. ©2019 Wantedly, Inc.
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70. ©2019 Wantedly, Inc.
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71. ©2019 Wantedly, Inc.
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72. ©2019 Wantedly, Inc.
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73. ©2019 Wantedly, Inc.
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74. ©2019 Wantedly, Inc.
    ࠷ۙͷ"OESPJE։ൃ͸͍ͩͿΜਐԽͨ͠
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    w ͨͩɺͦͷલʹݱࡏͷઃܭͱͷ݉Ͷ߹͍΋͋Δ͔Βͦ͜͸͏·͘΍ͬͯཉ͍͠
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75. ©2019 Wantedly, Inc.
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76. ϖʔδλΠτϧ ϖʔδαϒλΠτϧ
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