droidkaigi2016

Transcript

1. %BHHFSͱ3FBMNΛ ར༻ͨ͠Ϟμϯͳ։ൃ ๺ଜɹྋ

2. ࣗݾ঺հ w ๺ଜɹྋ
   w ͸ͯͳ
   JE
   GVOOFMCJU
   w 5XJUUFS
   JE
   FYQFSPQFSP

3. None

4. ͸ͯͳϒοΫϚʔΫ

5. ژ౎

6. ࠓ೔࿩͢͜ͱ w ϑϨʔϜϫʔΫ͔ΒϩδοΫΛ੾Γ཭͢
   w ӬଓԽ
   w αʔόαΠυͱฒߦͨ͠։ൃ
   w ϓϩμΫτνΣοΫ

7. ϑϨʔϜϫʔΫ͔Βϩ δοΫΛ੾Γ཭͢

8. ϑϨʔϜϫʔΫ w "OESPJE
   4%,͕ఏڙ͢ΔɺΞϓϦ΍ը໘ͷϥΠ ϑαΠΫϧͱڧ݁͘ͼ͍ͭͨΫϥε

9. ϩδοΫΛͲ͜ʹॻ͔͘ w º
   "DUJWJUZ
   'SBHNFOU
   ʹ௚઀ॻ͘
   w ංେԽɺςετෆՄೳ
   w ˛
   $VTUPN7JFXʹ௚઀ॻ͘
   w 7JFXͷϩδοΫ͸͜͜ʹॻ͚͹ྑ͍
   

   w ͦΕҎ֎ͷ৔ॴ

10. ͦΕҎ֎ͷ৔ॴʁ w ϩδοΫΛந৅Խͯ͠੾Γग़͢
    w d
    $POUSPMMFS
    d
    .BOBHFS
    ͳͲɺϩδοΫ୲౰ ΫϥεΛ࡞Δ

11. ϩδοΫͷந৅ͷ*OTUBODFΛ Ͳ͜Ͱ࡞Δ͔ʁ w ˛
    ར༻͢Δ"DUJWJUZʹ௚઀ॻ͘
    w ݁ͼ͖͕ͭڧ͘ͳΔ
    w ςετͷ࣌ʹڍಈΛม͍͑ͨͱ͖͸ʁ
    w ˓
    ར༻͢Δͷ֎෦Ͱੜ੒ɾ؅ཧ
    

    w ґଘͤ͞ͳ͍
    w ςετ࣌ʹ͸੾Γସ͑Δɺͱ͍ͬͨ͜ͱ͕༰қ
    w %*

12. ૉ๿ͳ%* public EntryManager(APIClient apiClient) { this.mAPIClient = apiClient;
 ... }

13. ૉ๿ͳ%*࢖͑ͳ͍໰୊ w "DUJWJUZͱ'SBHNFOUʹରͯ͠͸ແྗ
    w ίϯετϥΫλͰΠϯελϯε౉ͤͳ͍
    w 1BSDFMBCMFʹͯ͠ؤுΕ͹Ͱ͖ͳ͍͜ͱ͸ͳ͍͕ ؤுΓͨ͘ͳ͍
    w ͜ͷ໰୊͸%*ίϯςφ͕͋Ε͹ղܾ͢Δ

14. %*ίϯςφ w ґଘ஫ೖΛߦ͏ϑϨʔϜϫʔΫ
    w खಈͰ࢓૊ΈΛ༻ҙ͠ͳͯ͘ྑ͍
    w Πϯελϯε؅ཧ΋ߦͳ͑Δ

15. Ͳͷ%*ίϯςφΛ࢖͏΂͖ ͔ʁ w 3PCP(VJDF
    w %BHHFS
    w %BHHFS

16. %BHHFS

17. %BHHFS w IUUQTHJUIVCDPNHPPHMFEBHHFS
    w %*ίϯςφ
    w 4RVBSF͕։ൃͯͨ͠%BHHFSͷHPPHMF
    GPSL

18. %BHHFSͷར఺ w ίϯύΠϧ࣌ʹίʔυੜ੒͠ґଘղܾ
    w ࣮ߦதͷύϑΥʔϚϯεʹӨڹ͠ͳ͍
    w σόοάͰίʔυΛ௥͍΍͍͢

19. %*ͷߏ੒ w .PEVMF
    w *OTUBODFͷੜ੒ํ๏Λهड़
    w $PNQPOFOU
    w .PEVMF಺ͷ*OTUBODFΛͲ͜ʹJOKFDU͢Δ͔ه ड़
    

    w ֊૚ߏ଄Λ΋ͨͤͯ໾ׂΛ෼୲͠໌֬Խ

20. .PEVMF @Module 
 public class MainModule { ... @Provides
 EntryManager

    provideEntryManager() { return new EntryManager(mService); } ...

21. $PNQPOFOU @Component(modules = MainModule.class) public interface MainComponent { void inject(MainActivity

    mainActivity) …

22. *OKFDU public class MainActivity extends AppCompatActivity { @Inject EntryManager mEntryManager;

    @Override 
 protected void onCreate(Bundle b) { ... ((App) getApplication()) .component() .inject(this); ...

23. 5FTU༻.PEVMF @Module 
 public class MainTestModule { ... @Provides
 EntryManager

    provideEntryManager() { return new EntryManager(mStubService); } ...

24. ςετ༻$PNQPOFOU @Component(modules = MainTestModule.class) public interface MainTestComponent { void inject(EntryManagerTestCase

    testCase) …

25. *OKFDU ςετ public class EntryManagerTestCase extends InstrumentationTestCase {
 …
 @Inject


    EntryManager mEntryManager;
 … public testGetEntries() { assertEquals( "ΤϯτϦऔಘͰ͖͍ͯΔ", false, mEntryManager.getEntries().isEmpty()); }
 }

26. $PNQPOFOUͷ෼͚ํ w "DUJWJUZ΍'SBHNFOUຖʹ෼͚Δʁ
    w ਺͕υϯυϯ૿͍͑ͯ͘
    w ໾ׂ͝ͱʹ෼͚Δ
    w ֊૚ߏ଄Λ࡞ͬͯࡉ෼Խ

27. 4VC$PNQPOFOU @Component(modules = MainModule.class)
 public interface MainComponent {
 void inject(App

    app);
 
 // Activities
 void inject(RootActivity rootActivity);
 
 // Fragments
 void inject(MainSettingsFragment mainSettingsFragment);
 
 // Subcomponents
 UserComponent userComponent(UserModule userModule); }

28. 4VC$PNQPOFOU @Subcomponent(modules = UserModule.class)
 public interface UserComponent {
 
 //

    Fragments
 void inject(MyFragment myFragment);
 
 UserController userController();
 }

29. $PNQPOFOUΛऔಘ public class MyFragment extends Fragment { MainComponent mainComponent =

    App.get(getActivity())
 .getMainComponent(); 
 UserComponent userComponent = mainComponent.userComponent( new UserModule( mainComponent.getRealm(), args.getString(ARGS_USER_ID)));
 userComponent.inject(this); }

30. ӬଓԽ

31. ӬଓԽ͢Δ໨త w 8FC"1*͔ΒͷϨεϙϯεΛӬଓԽ
    w ΦϑϥΠϯ༻ͷΩϟογϡσʔλͷͨΊ
    w "DUJWJUZ΍'SBHNFOUͷ࠶ੜ੒࣌ʹ෮ؼ͢ΔͨΊ
    w ෳ਺ͷը໘Ͱಉ͡σʔλΛදࣔ͢Δͱ͖ͷҰ؏ ੑΛอͪ΍͘͢͢ΔͨΊ

32. ӬଓԽ͢Δखஈ w º
    4IBSFE
    1SFGFSFODFT
    ʹೖΕΔ
    w ˛
    'JMFʹॻ͖ͩ͢
    w ˓
    42-JUFʹೖΕΔ
    w ˓
    3FBMNΛ࢖͏

33. 42-JUF w "OESPJE
    ඪ४ͳͷͰ҆৺ײ͕͋Δ
    w ࣗྗͰॻ͘ͷ͸গʑ໘౗͍͘͞
    w 03.
    ࢖͏ʁ
    w ࢖͍΍͢͞ɺૣ͞ɺ҆ఆɺকདྷੑʜ

34. 3FBMN w ։ൃ͕׆ൃ
    w 42-JUFͷΑ͏ͳ໘౗ͳ͜ͱΛ͠ͳͯ͘ྑ͍
    w ˛όʔδϣϯະຬ

35. 3FBMNΛ࢖͏ w J04ΞϓϦͱ ՄೳͳݶΓ ڞ௨ͷϞσϧΛ࣋ͪͨ ͍ͨΊ
    w ։ൃ׆ൃ͔ͩΒԿ͔͋ͬͯ΋ରॲ͞ΕΔͰ͋Ζ ͏

36. 3FBMN

37. 3FBMN w 42-JUFΛஔ͖׵͑͏Δ.PCJMF
    EBUBCBTF
    w 03.ͷػೳ΋࣋ͭ
    w ߴ଎
    w J04Ͱ΋ར༻Մೳ

38. 3FBMNΛ࢖͏ new RealmConfiguration.Builder(context)
 .name("realm")
 .schemaVersion(1L)
 .build();

39. 3FBMNΛ࢖͏ RealmResults<Entry> followingEntries = mRealm.where(Entry.class) .equalTo("isFollowing",true) .findAllSortedAsync( "createdAt", Sort.DESCENDING);

40. "DUJWJUZੜ੒࣌ʹҾ͘ public class MainActivity extends AppCompatActivity { … public void

    onCreate(Bundle savedInstanceState) { mRealmResults = mRealm.where().findAllAsync() … } w ͙͢͞·3FBMN3FTVMUTΛಘΔ
    w ਖ਼͘͠෮ݩ͢ΔͨΊʹ΋࢖͏

41. "EBQUFSʹ3FBMN3FTVMU public class EntriesAdapter { public EntriesAdapter(RealmResults<Entry> entries) {
 mEntries

    = entries;
 mRealmChangeListener = new RealmChangeListener() {
 @Override
 public void onChange() {
 mListItems = getItems();
 EpisodesAdapter.this.notifyDataSetChanged();
 }
 }; …
 } …

42. "EBQUFSʹ3FBMN3FTVMU public class EntriesAdapter { … @Override
 public void onAttachedToRecyclerView(RecyclerView

    recyclerView) {
 super.onAttachedToRecyclerView(recyclerView);
 mResults.addChangeListener(mRealmChangeListener);
 }
 
 @Override
 public void onDetachedFromRecyclerView(RecyclerView recyclerView) {
 mResults.removeChangeListener(mRealmChangeListener);
 super.onDetachedFromRecyclerView(recyclerView);
 } …

43. "DUJWJUZؒͷσʔλड͚౉͠ Intent intent = new Intent(context, EpisodeActivity.class); intent.putExtra(EXTRA_ID, Id); w

    3FBMNͷ*%Λ౉͢͜ͱʹͯ͠͠·͏
    w ࠶ੜ੒ʹ΋උ͑ΕΔ͜ͱʹͳΔ

44. 3FBMN
    Λ
    %BHHFS
    Ͱ
    εϨου͝ͱʹ*OKFDU

45. εϨου·ͨ͛ͳ͍໰୊ w 3FBMN*OTUBODF͕࡞੒͞ΕͨεϨου͔Βଞͷ εϨουͰ࢖͑ͳ͍
    w ͔͠͠*OKFDU͸
    PO$SFBUF
    Ͱߦ͍͍ͨ
    w ʮผεϨου͕ཉ͍࣌͠ʹ*OKFDU͢Δ࢓૊Έʯ͕ ඞཁ

46. %BHHFSͷ1SPWJEFSΛ࢖͏ … @Inject public EntryPrefetcher(Provider<Realm> realmProvider) extends ThreadPoolExecutor { mRealmProvider

    = realmProvider; … private static class Task implements Callable<String> { @Override
 public String call() throws Exception { Realm realm = mRealmProvider.get(); … } …

47. αʔόαΠυ
    ͱ
    ฒߦͨ͠։ൃ

48. αʔόαΠυͱฒߦͨ͠։ൃ w "1*͕ඞͣ͠΋ઌߦ͢Δͱ͸ݶΒͳ͍
    w μϛʔσʔλΛΞϓϦ಺෦ʹ͔࣋ͭʁ
    w "1*ʹมߋ͕͋ͬͨ࣌ʹ໘౗
    w J04ଆ΋ಉ࣌ʹมߋ͢Δඞཁ͕ग़ͯ͘Δ

49. 4UVC
    4FSWFS

50. 4UVC
    4FSWFS w μϛʔͷϨεϙϯεΛฦ͢αʔόΛ࡞Δ
    w "1*4DIFNB όϦσʔλͱͯ͠ར༻
    w IUUQTHJUIVCDPNIJUPEF"1*4DIFNB

51. 4UVC
    4FSWFS SFTPVSDF
    MPHJO@SFRVFTU
    
    \
    
    
    
    
    UZQF
    
    PCKFDU
    
    
    
    
    EFTDSJQUJPO
    
    ϩάΠϯϦΫΤετ
    
    
    
    
    QSPQFSUJFT
    
    \
    
    
    
    
    
    
    
    
    FNBJM@BEESFTT
    
    
    \
    
    
    
    
    
    
    
    
    
    
    
    
    UZQF
    
    TUSJOH
    

    
    
    
    
    
    
    
    
    
    
    
    
    EFTDSJQUJPO
    
    ϝʔϧΞυϨε
    
    
    
    
    
    
    
    
    
    
    
    
    FYBNQMF
    
    BCD!FYBNQMFDPN
    
    
    
    
    
    
    
    
    ^
    
    
    
    
    
    
    
    
    QBTTXPSE
    
    
    \
    
    
    
    
    
    
    
    
    
    
    
    
    UZQF
    
    TUSJOH
    
    
    
    
    
    
    
    
    
    
    
    
    EFTDSJQUJPO
    
    bύεϫʔυ
    
    
    
    
    
    
    
    
    
    
    
    
    FYBNQMF
    
    1BTTXSE
    
    
    
    
    
    
    
    
    ^
    
    
    
    
    ^
    
    
    
    
    SFRVJSFE
    
    <FNBJM@BEESFTT
    QBTTXPSE>
    ^

52. ςετͰ΋4UVC4FSWFSΛ
    ࢖͏ w ˛μϛʔͷ+40/Λ಺෦ʹ࣋ͬͯςετʹར༻
    w "1*มΘΔͨͼʹมߋͤͶ͹ͳΒͳ͍
    w "1*ͷมߋʹςετ͕ؾ෇͚ͳ͍
    w ̋"1*ͷαʔόΛ௚઀ୟ͘
    

    w μϛʔσʔλෆཁ
    w มߋʹςετ͕ؾ͕ͭ͘

53. ϓϩμΫτνΣοΫ

54. ϓϩμΫτνΣοΫ w ژ౎ɾ౦ژʹΦϑΟε͕͋Δ
    w ౦ژʹ΋σβΠφʔ͕͍Δ
    w ख৮Γ͸௚઀৮Εͳ͍ͱΘ͔Βͳ͍

55. #FUB#Z$SBTIMZUJDT
    
    KFOLJOT
    
    GBTUMBOF

56. #FUB w #FUB#Z$SBTIMZUJDT
    Λ࢖ͬͯ#FUB഑৴
    w ഑৴ͷλΠϛϯά͸KFOLJOTʹ೚ͤΔ

57. KFOLJOT w ϒϥϯνΛݟͯͯɺNBTUFSʹϚʔδ͞ΕͨΒ #FUBΛඈ͹͢
    w εΫϦʔϯγϣοτΛࡱͬͯ؆қతͳσβΠϯ֬ ೝ
    w "1*ຖͷࠩҟ౳Λ֬ೝ
    w

    4MBDLʹ௨஌

58. GBTUMBOF
    (JUIVC࿈ܞ EBUB
    
    \TUBUF
    TUBUF
    UBSHFU@VSM
    UBSHFU@VSM
    DPOUFYU
    DPOUFYU
    EFTDSJQUJPO
    ^
    IFBEFST
    
    \"VUIPSJ[BUJPO
    UPLFO
    \UPLFO^^
    &YDPOQPTU VSM

    
    IFBEFST
    IFBEFST
    CPEZ
    EBUBUP@KTPO

59. GBTUMBOF
    4MBDL࿈ܞ TMBDL
    
    
    NFTTBHF
    SPDLFU
    Ϗϧυ͕׬ྃ͠·ͨ͠
    SPDLFU
    
    
    DIBOOFM
    BQQ
    
    
    TVDDFTT
    USVF
    

    
    
    QBZMPBE
    \
    
    
    
    
    #VJME
    %BUF
    
    5JNFOFXUP@T
    
    
    ^
    
    
    EFGBVMU@QBZMPBET
    <HJU@CSBODI
    HJU@BVUIPS>
    

60. ςετ࣮ߦ
    
    EFTD
    3VOT
    BMM
    UIF
    UFTUT
    
    
    MBOF
    UFTU
    EP
    
    
    
    
    HSBEMF UBTL
    D$
    
    
    FOE

61. ·ͱΊ w ϑϨʔϜϫʔΫ͔ΒϩδοΫΛ੾Γ཭͢
    w ϩδοΫͷந৅Խɺ%BHHFSͰ*OKFDU
    w ӬଓԽ
    w 3FBMNΛར༻
    w

    αʔόαΠυͱฒߦͨ͠։ൃ
    w 4UVC4FSWFSΛར༻
    w ϓϩμΫτνΣοΫ
    w #FUB#Z$SBTIMZUJDT
    KFOLJOT
    GBTUMBOF

62. ͋Γ͕ͱ͏͍͟͝·ͨ͠