MVPアーキテクチャ使いたい

AndroidのMVPアーキテクチャについて

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΄͍͠ (ུ)