MVPアーキテクチャ使いたい

Transcript

1. UIςετݮΒ͍ͨ͠ =MVPΞʔΩςΫνϟ࢖͍͍ͨ hisaichi5518

2. ஫ҙ

3. ϩδοΫͱ͸ • ϏδωεϩδοΫ • ϓϨθϯςʔγϣϯϩδοΫ

4. ϓϨθϯςʔγϣϯϩδοΫ Ϣʔβʔ͔ΒೖྗΛड͚ औΓɺϏδωεϩδοΫ ʹ౉͢

5. ϏδωεϩδοΫ APIΛୟ͍ͯɺ஋Λฦ͢

6. ϏδωεϩδοΫ σʔλϕʔεΛୟ͍ͯɺ ஋Λฦ͢

7. ϓϨθϯςʔγϣϯϩδοΫ ͦΕ͔Βฦ͖ͬͯͨ஋Λ ੔ܗͯ͠දࣔ͢Δ

8. ๻͕ʮϩδοΫʯͱݴ͏࣌͸ɺ ͜ͷ2छྨΛࢦ͠·͢ɻ

9. ! ?

10. ͳͥΞʔΩςΫνϟΛ࠾༻͢Δͷ͔?

11. ݱঢ়ͱཧ૝ͷΪϟοϓΛ ຒΊΔͨΊͷํ๏ͱ͠ ͯɺΞʔΩςΫνϟΛ࠾ ༻͍ͨ͠

12. ݱঢ়

13. UIςετ͹͔Γॻ͍͍ͯ ͯർฐ͕ͪ͠

14. ཧ૝

15. ୯ମςετΛॻ͘ UIςετগͳΊ

16. ͳͥUIςετ͹͔Γॻ͔͟ΔΛ͑ͳ͍͔?

17. androidTestͰͳ͍ͱಈ ͔ͳ͍Ϋϥεͷதʹςε τ͍ͨ͠΋ͷ͕͋Δ

18. ͳͥ୯ମςετͰಈ͔ͳ͍Ϋϥεͷதʹςετ͍ͨ͠΋ͷ͕͋Δ?

19. ͻͱͭͷΫϥεͷ੹຿͕ େ͖͗͢ɻΫϥεͷ੹຿ Λখ͘͞ग़དྷ͍ͯͳ͍ɻ

20. ͳͥ੹຿Λখ͘͞ग़དྷ͍ͯͳ͍ͷ͔?

21. Ϋϥε͕ԿΛ୲౰͢΂͖ ͔ɺܾ·͍ͬͯͳ͍͔Β

22. ͭ·Γ ཧ૝ͱݱ࣮ͷΪϟοϓΛ ຒΊΔʹ͸

23. ֤Ϋϥεͷ੹຿Λখ͘͞ ͯ͋͛͠Δඞཁ͕͋Γ

24. ͦͷͨΊʹ ܾ·ΓࣄΛ࡞Δࣄ͕ඞཁ

25. ͦͷܾ·Γࣄ͕ ΞʔΩςΫνϟ

26. ʮMVPΞʔΩςΫνϟʯͱ͸?

27. MVCͷ೿ੜܥ

28. MVC

29. Model-View-Controller

30. ݁࿦: Androidʹ޲͍ͯ ͳ͍

31. Model = ;ͭ͏ͷΫϥε

32. View = Activity

33. Controller = Activity

34. View + Controller = Activity

35. ActivityʹϓϨθϯςʔ γϣϯϩδοΫ͕ೖͬͯ ͠·͏

36. ݁࿦: Androidʹ޲͍ͯ ͳ͍

37. MVP

38. Model-View-Presenter

39. Model

40. Model • ϏδωεϩδοΫΛॻ͘ • Presenterʹґଘ͠·ͤΜ • Viewʹґଘ͠·ͤΜ

41. View

42. View • ը໘ͷදࣔ/ߋ৽ɾϢʔβʔͷೖྗͷड͚ޱ • Ϣʔβʔೖྗ͸ɺPresenterʹ౉͢ • ෳ਺ͷViewΛ·ͱΊΔ܅Ͱ͋Δ • TextView, Toolbar

    ...

43. Presenter

44. Presenter • ϓϨθϯςʔγϣϯϩδοΫΛॻ͘ • View͔Β౉͞ΕͨϢʔβʔ͔ΒͷೖྗΛModelʹ౉͢ • Model͔Βฦ͖ͬͯͨ஋Λ΋ͱʹViewͷߋ৽Λߦ͏ • Viewͷߋ৽͸ɺInterfaceΛܦ༝ͯ͠ߦ͏

45. MVPΞʔΩςΫνϟ͸ɺ Activity͔ΒϓϨθʔς ʔγϣϯϩδοΫΛ Presenterʹൈ͖ग़ͤΔ

46. จࣈ͡ΌΘ͔ΒΜ!ਤͰ!

47. Ҿ༻: https://github.com/rallat/EffectiveAndroid/tree/mvp

48. ਤ͡ΌΘ͔ΒΜ!ίʔυͰ!

49. (ྫ)ϢʔβʔΛऔಘ໊ͯ͠લΛදࣔ͢Δ

50. View interfaceΛఆٛ͢Δ public interface UserView { void showName(String name); void

    showError(Exception exception); }

51. View PresenterΛݺͼग़͢ public class UserActivity extends AppCompatActivity implements UserView {

    @Override protected void onCreate(Bundle savedInstanceState) { int userId = ...; (new UserPresenter(this)).fetchUser(userId); } @Override public void showName(String name) { mTextView.setText(name); } @Override public void showError(...) { ... } }

52. Presenter public class UserPresenter { UserView mView; public UserPresenter(UserView view)

    { mView = view; } public void fetchUser(int userId) { ApiClient.getInstance().create(UsersService.class).fetch(userId, new Callback<User>() { @Override public void success(User user, Response response) { mView.showName(user.getName()); } @Override public void failure(RetrofitError error) { mView.showError(error); } }); } }

53. Model ࠓͷApiClient.javaͱ࣮૷͕ಉ͡ͳͷͰུ

54. ͳͥɺMVPΞʔΩςΫνϟ͸ςετ͕͠΍͍͢ͷ͔?

55. Viewͷߋ৽͸Interface Λ௨ͯ͡ߦΘΕΔ

56. ͭ·ΓɺInterfaceΛܧ ঝ͍ͯ͠ΔView΋Ͳ͖ ͑͋͞Ε͹ɺPresenter ͷςετ͸Ͱ͖Δɻ

57. Test public class UserPresenterTest { @Test public void testFetchUser() throws

    Exception { final AtomicBoolean called = new AtomicBoolean(); mMockClient.mock("/v4/users/\\d.json").to(200, "user.json"); class UserViewTest implements UserView { @Override public void showName(String name) { called.set(true); assertThat(name).isEqualTo("hisaichi5518"); } } UserPresenter presenter = new UserPresenter(new UserViewTest()); presenter.fetchUser(1); assertThat(called.get()).isEqualTo(true); } }

58. Activityʹґଘ͠ͳ͘ͳ ͬͨͷͰɺϓϨθϯςʔ γϣϯϩδοΫΛ୯ମς ετͰॻ͚Δʂʂ̍

59. UIςετͰർฐ͠ͳ͍!

60. ͳͷͰMVPΞʔΩςΫν ϟΛ࢖͍͍ͨ

61. ·ͱΊ

62. ·ͱΊ • ݱঢ়ɺΫϥεͷ੹຿͕େ͖͗ͯ͢ɺϓϨθϯςʔγϣϯϩδ οΫΛUIςετͰςετͤ͟ΔΛ͑ͳ͍ • ཧ૝͸ɺΫϥεͷ੹຿Λখ͘͞͠ɺϩδοΫ͸୯ମςετͰ ςετ͍ͨ͠ • MVPΞʔΩςΫνϟΛ࠾༻͠ɺΫϥεͷ੹຿Λ໌֬ʹܾΊɺ ୯ମςετʹد͍ͤͯ͘

63. ·ͱΊ • MVPΞʔΩςΫνϟ͸ɺActivity͔ΒϓϨθϯςʔγϣϯϩδ οΫΛ෼཭͢Δ • ϓϨθϯςʔγϣϯϩδοΫΛ୯ମςετͰॻ͚ΔΑ͏ʹͳ ΔͷͰɺUIςετΛॻ͘ྔ͸ݮΔ

64. !!!!!!!!!!! ർฐͤͣʹྑ͍΋ͷ࡞Δκʂ !!!!!!!!!!!

65. ࢀߟ • hisaichi5518/minne-android • rallat/EffectiveAndroid • AndroidΦʔϧελʔζͰClean Architectureʹ͍ͭͯൃද͠ ͖ͯͨ&ࢀߟϦϯΫू •

    AndroidͰ͸MVCΑΓMVPͷํ͕͍͍͔΋͠Εͳ͍

66. ࣭ٙԠ౴

67. ͲͷΑ͏ʹMVPΞʔΩςΫνϟΛར༻ ͍͔ͯ͘͠? • ཧ૝: ςετΛॻ͍͔ͯΒˠϦϑΝΫλϦϯά • ݱ࣮: PresenterΛར༻͢ΔΑ͏ʹϦϑΝΫλϦϯάˠςετ Λॻ͘ •

    ·ͣ͸ɺݴ͍ग़ͬ͠΃ͷ๻͕΍Δͭ΋Γ

68. ΞʔΩςΫνϟΛ࠾༻͢Δ্Ͱͷํ਑ • ཧղ͍ͯ͠ͳ͍΋ͷ͸࢖Θͳ͍ • ཧղ͠ʹ͍͘΋ͷ͸࢖Θͳ͍ • ่յͦ͠͏ͳͷ͸࢖Θͳ͍ • ࣮ࡍʹίʔυΛॻ͍ͯ൑அ͢Δ •

    ݱ࣮త͔ɺ͕ॏཁ • ૣ͗͢Δ࠷దԽ͸͠ͳ͍

69. Viewʹ͋ͨΔΫϥε͸? • Activity • Fragment • CustomView ͳͲɻద࣌൑அ͍ͯ͘͠ɻ

70. UIςετ͸׬શʹͳ͘ͳΔʁ Μͳͨ͊͜ͳ͍

71. ࣮ࡍͷίʔυͰઆ໌ͯ͠΄͍͠ (ུ)