Modern REST Communicate for Android

Transcript

1. Modern REST Communicate for Android 2016.5.20 @kobaken42

2. Agenda • Keyword • ΍Βͳ͍͜ͱ • RESTʹ͍ͭͯ • ࢖༻ϥΠϒϥϦ঺հ •

   αϯϓϧΞϓϦͷ࣮૷(ϨϏϡϫʔ͋Γ) • Keyword(͓͞Β͍)

3. Keyword • REST(RESTful) • (ؔ਺ܕ)ϦΞΫςΟϒϓϩάϥϛϯά(FRP) • ReactiveX(ϦΞΫςΟϒΤΫεςϯγϣϯ) • Parse(ύʔε)

4. ΍Βͳ͍͜ͱ • Androidʹؔ͢Δઆ໌(Activity, Fragment, Lifecycle etc…) • RESTɺFRPʹؔ͢Δৄࡉͳઆ໌ • ϨΨγʔͳ࣮૷ͱͷൺֱ

5. ʊਓਓਓਓʊ ʼ REST ʻ ʉY^Y^Y^Yʉ

6. Webͷ ΞʔΩςΫνϟελΠϧͷҰͭ

7. ύϥϝʔλΛࢦఆͯ͠ ಛఆURLʹHTTP(s)ͰΞΫηε XML or jsonͰ݁Ռ͕ฦ٫͞ΕΔ

8. ύϥϝʔλ(Input)͕ಉҰͳΒ ৗʹಉ݁͡Ռ(Output)͕ظ଴Ͱ͖Δ (γεςϜͷঢ়ଶ΍ηογϣϯʹґଘ͠ͳ͍)

9. (ͪΐͬͱཚ๫͚ͩͲ) ҰߦͰݴ͏ͱ

10. Ϧιʔεॏࢹઃܭ

11. RESTful item_url -> items/:id new_item_url -> items/new edit_item_url -> items/:id/edit

    items_url -> items

12. Not RESTful

13. ίϨͰΘ͔Βͳ͍ਓ͸ ϫγϫγMAX΍Ͱʙʂʂ ͦΜͳͷ͋Μ·Γʹ͜ʙʂʂ

14. ຊ୊΁

15. ϦΞΫςΟϒͳ REST௨৴Λ࣮ݱͨ͠ αϯϓϧΞϓϦΛ࡞੒͍͖ͯ͠·͢

16. ༏लͳϨϏϡϫʔͷྗΛ आΓͳ͕Β࣮૷͍͖ͯ͠·͢Αʂ

17. ࢖༻ϥΠϒϥϦͷ঺հ

18. ࢖༻ϥΠϒϥϦ(Plugin) • Retrofit • RxAndroid • Retrolambda • Lombok •

    butterknife(DataBindingʹஔ͖׵͑·ͨ͠)

19. Retrofit v2.0.2 • AndroidͱJavaͷͨΊͷܕ҆શͳ HTTPΫϥΠΞϯτ • ಺෦ͰOkhttpΛ࢖༻ • AsyncLoaderͱ͸΋͏͓͞Β͹ •

    jsonύʔεͱ͔ॾʑ΍ͬͯ͘ΕΔ • Apache HTTP ClientʁūŬťƀŘŶƂŜƃūŘ!!

20. RxAndroid v1.2.0 • RxJavaΛ಺แ͍ͯ͠ΔAndroid޲͚ ReactiveX • ϦΞΫςΟϒϓϩάϥϛϯάग़དྷΔ • ඇಉظॲཧ͕؆୯ʹॻ͚Δ (AsyncTaskͳΜͯͳ͔ͬͨ)

    • ڞ௨ͷΠϯλʔϑΣʔεͱͯ͠׆༻ • View͔ΒͷΠϕϯτΛड͚औΔ • ίʔϧόοΫͷҰݩ؅ཧ etc…

21. Retrolambda • AndroidͰϥϜμ͕ࣜॻ͚ΔΑ͏ʹ ͳΔPlugin • Method Referenceʹ΋ରԠ • RxAndroid, Stream

    APIͱͷซ༻ར ༻Ͱ΄΅Java8؀ڥʹʂ

22. Lombok v1.16.8 • JavaͰΑ͋͘ΔϘΠϥʔϓϨʔτ ίʔυΛγϯϓϧʹͯ͘͠ΕΔ • getter, setterͷهड़ෆཁʹ • nullνΣοΫΛࣗಈͰ΍ͬͯ͘ΕΔ

    • MITϥΠηϯε

23. ϥΠϒϥϦ঺հ͸͜͜·Ͱ

24. ΍Δ͜ͱ

25. ΍Δ͜ͱ • ࢖༻ϥΠϒϥϦΛGradleͰએݴ • REST௨৴ͷͨΊͷAPIΠϯλʔϑΣʔε࡞੒ • Ϩεϙϯε༻ͷΦϒδΣΫτΛ࡞੒ • ϦΞΫςΟϒϓϩάϥϛϯάͰREST௨৴ʂ

26. Ͱ͸ૣ଎

27. gradleʹهड़ͯ͘͠Ͱ

28. build.gradle(app௚Լ)

29. None
30. None

31. ࣍

32. WebAPIͷInterface ࡞ΔͰ

33. ࠓճ͸ొ࿥ෆཁͳ͓खܰAPIΛ ར༻͍ͨ͠Μ΍ʂ

34. ࢖༻API • WeatherHacks

35. WeatherHacksApi.java

36. None
37. None

38. ResponseObject(Entity) ࡞ΔͰ

39. ResponseObject.java

40. None
41. None

42. Լ४උऴΘΓ

43. ͦΕ͡Όɺຊ൪ߦ͘΍Ͱ

44. ͜Ε͔Β΍Δ͜ͱ

45. ࡾߦͰ

46. Activity(Fragment)ʹ RetrofitΦϒδΣΫτΛੜ੒ͯ͠ subscribeʂ

47. MainActivity.java

48. MainActivity.java

49. MainActivity.java

50. ͜Ε͚ͩʂ

51. ͱ

52. ࢥΘͤͯ

53. AndroidManifest.xmlʹ Internet௨৴ͷͨΊͷ Permissionهड़͕ඞཁͦ͏ɾɾɾ

54. None

55. AndroidManifest.xml

56. AndroidManifest.xml

57. None

58. Keyword(͓͞Β͍) • REST(RESTful) • (ؔ਺ܕ)ϦΞΫςΟϒϓϩάϥϛϯά(FRP) • ReactiveX(ϦΞΫςΟϒΤΫεςϯγϣϯ) • Parse(ύʔε) •

    ঁਆͷΜͨΜ

59. ΈΜͳ΋ϦΞΫςΟϒʹ REST௨৴͠Αͬˑ

60. None

61. https://github.com/kobaken0029/RestSample