droidkaigi2016

Transcript

1. %BHHFSͱ3FBMNΛ
   ར༻ͨ͠Ϟμϯͳ։ൃ
   ๺ଜɹྋ
   

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2. ࣗݾ঺հ
   w ๺ଜɹྋ
   w ͸ͯͳJEGVOOFMCJU
   w 5XJUUFSJEFYQFSPQFSP
   

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4. ͸ͯͳϒοΫϚʔΫ
   

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5. ژ౎
   

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

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7. ϑϨʔϜϫʔΫ͔Βϩ
   δοΫΛ੾Γ཭͢
   

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8. ϑϨʔϜϫʔΫ
   w "OESPJE4%,͕ఏڙ͢ΔɺΞϓϦ΍ը໘ͷϥΠ
   ϑαΠΫϧͱڧ݁͘ͼ͍ͭͨΫϥε
   

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9. ϩδοΫΛͲ͜ʹॻ͔͘
   w º"DUJWJUZ 'SBHNFOUʹ௚઀ॻ͘
   w ංେԽɺςετෆՄೳ
   w ˛$VTUPN7JFXʹ௚઀ॻ͘
   w 7JFXͷϩδοΫ͸͜͜ʹॻ͚͹ྑ͍
   w ͦΕҎ֎ͷ৔ॴ
   

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

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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 %*
    

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

    ...
    }
    

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

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

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

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16. %BHHFS
    

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17. %BHHFS
    w IUUQTHJUIVCDPNHPPHMFEBHHFS
    w %*ίϯςφ
    w 4RVBSF͕։ൃͯͨ͠%BHHFSͷHPPHMFGPSL
    

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

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19. %*ͷߏ੒
    w .PEVMF
    w *OTUBODFͷੜ੒ํ๏Λهड़
    w $PNQPOFOU
    w .PEVMF಺ͷ*OTUBODFΛͲ͜ʹJOKFDU͢Δ͔ه
    ड़
    w ֊૚ߏ଄Λ΋ͨͤͯ໾ׂΛ෼୲͠໌֬Խ
    

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20. .PEVMF
    @Module 

    public class MainModule {
    ...
    @Provides

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

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

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

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

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23. 5FTU༻.PEVMF
    @Module 

    public class MainTestModule {
    ...
    @Provides

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

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

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25. *OKFDU ςετ
    
    public class EntryManagerTestCase extends
    InstrumentationTestCase {

    …

    @Inject

    EntryManager mEntryManager;

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

    }
    

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

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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);
    }
    

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28. 4VC$PNQPOFOU
    @Subcomponent(modules = UserModule.class)

    public interface UserComponent {

    

    // Fragments

    void inject(MyFragment myFragment);

    

    UserController userController();

    }
    

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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);
    }
    

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30. ӬଓԽ
    

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

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32. ӬଓԽ͢Δखஈ
    w º4IBSFE1SFGFSFODFTʹೖΕΔ
    w ˛'JMFʹॻ͖ͩ͢
    w ˓42-JUFʹೖΕΔ
    w ˓3FBMNΛ࢖͏
    

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33. 42-JUF
    w "OESPJEඪ४ͳͷͰ҆৺ײ͕͋Δ
    w ࣗྗͰॻ͘ͷ͸গʑ໘౗͍͘͞
    w 03.࢖͏ʁ
    w ࢖͍΍͢͞ɺૣ͞ɺ҆ఆɺকདྷੑʜ
    

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

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

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36. 3FBMN
    

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

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38. 3FBMNΛ࢖͏
    new RealmConfiguration.Builder(context)

    .name("realm")

    .schemaVersion(1L)

    .build();
    

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

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40. "DUJWJUZੜ੒࣌ʹҾ͘
    public class MainActivity extends AppCompatActivity {
    …
    public void onCreate(Bundle savedInstanceState) {
    mRealmResults = mRealm.where().findAllAsync()
    …
    }
    w ͙͢͞·3FBMN3FTVMUTΛಘΔ
    w ਖ਼͘͠෮ݩ͢ΔͨΊʹ΋࢖͏
    

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41. "EBQUFSʹ3FBMN3FTVMU
    public class EntriesAdapter {
    public EntriesAdapter(RealmResults entries) {

    mEntries = entries;

    mRealmChangeListener = new RealmChangeListener() {

    @Override

    public void onChange() {

    mListItems = getItems();

    EpisodesAdapter.this.notifyDataSetChanged();

    }

    };
    …

    }
    …
    

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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);

    }
    …
    

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43. "DUJWJUZؒͷσʔλड͚౉͠
    Intent intent = new Intent(context,
    EpisodeActivity.class);
    intent.putExtra(EXTRA_ID, Id);
    w 3FBMNͷ*%Λ౉͢͜ͱʹͯ͠͠·͏
    w ࠶ੜ੒ʹ΋උ͑ΕΔ͜ͱʹͳΔ
    

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44. 3FBMN
    Λ
    %BHHFS
    Ͱ
    εϨου͝ͱʹ*OKFDU
    

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

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46. %BHHFSͷ1SPWJEFSΛ࢖͏
    …
    @Inject public EntryPrefetcher(Provider
    realmProvider) extends ThreadPoolExecutor {
    mRealmProvider = realmProvider;
    …
    private static class Task implements Callable {
    @Override

    public String call() throws Exception {
    Realm realm = mRealmProvider.get();
    …
    }
    …
    

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47. αʔόαΠυ
    ͱ
    ฒߦͨ͠։ൃ
    

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

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49. 4UVC4FSWFS
    

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50. 4UVC4FSWFS
    w μϛʔͷϨεϙϯεΛฦ͢αʔόΛ࡞Δ
    w "1*4DIFNB όϦσʔλͱͯ͠ར༻
    
    w IUUQTHJUIVCDPNIJUPEF"1*4DIFNB
    

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51. 4UVC4FSWFS
    SFTPVSDFMPHJO@SFRVFTU\
    UZQFPCKFDU
    EFTDSJQUJPOϩάΠϯϦΫΤετ
    QSPQFSUJFT\
    FNBJM@BEESFTT\
    UZQFTUSJOH
    EFTDSJQUJPOϝʔϧΞυϨε
    FYBNQMFBCD!FYBNQMFDPN
    ^
    QBTTXPSE\
    UZQFTUSJOH
    EFTDSJQUJPObύεϫʔυ
    FYBNQMF1BTTXSE
    ^
    ^
    SFRVJSFE<FNBJM@BEESFTT QBTTXPSE>
    ^
    

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

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53. ϓϩμΫτνΣοΫ
    

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

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55. #FUB#Z$SBTIMZUJDT
    
    KFOLJOT
    
    GBTUMBOF
    

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

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57. KFOLJOT
    w ϒϥϯνΛݟͯͯɺNBTUFSʹϚʔδ͞ΕͨΒ
    #FUBΛඈ͹͢
    w εΫϦʔϯγϣοτΛࡱͬͯ؆қతͳσβΠϯ֬
    ೝ
    w "1*ຖͷࠩҟ౳Λ֬ೝ
    w 4MBDLʹ௨஌
    

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58. GBTUMBOF
    (JUIVC࿈ܞ
    EBUB\TUBUFTUBUF UBSHFU@VSMUBSHFU@VSM
    DPOUFYUDPOUFYU EFTDSJQUJPO^
    IFBEFST\"VUIPSJ[BUJPOUPLFO\UPLFO^^
    &YDPOQPTU VSM IFBEFSTIFBEFST CPEZ
    EBUBUP@KTPO
    
    

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59. GBTUMBOF
    4MBDL࿈ܞ
    TMBDL
    NFTTBHFSPDLFUϏϧυ͕׬ྃ͠·ͨ͠SPDLFU
    DIBOOFMBQQ
    TVDDFTTUSVF
    QBZMPBE\
    #VJME%BUF5JNFOFXUP@T
    ^
    EFGBVMU@QBZMPBET<HJU@CSBODI HJU@BVUIPS>
    
    
    

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60. ςετ࣮ߦ
    EFTD3VOTBMMUIFUFTUT
    MBOFUFTUEP
    HSBEMF UBTLD$
    
    FOE
    

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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
    

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62. ͋Γ͕ͱ͏͍͟͝·ͨ͠
    

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