大容量データのダウンロード戦略

2015 04/25 DroidKaigi
http://droidkaigi.github.io/

Transcript

1. େ༰ྔμ΢ϯϩʔυ
   ઓུ
   %SPJE,BJHJ
   
   !NJTZPCVO
   (.0ϖύϘ
   

   View Slide

2. 
   େ༰ྔͬͯɺ΋ͪΖΜϖλό
   Πτ 1#
   Ϩϕϧͷ͜ͱͩΑ
   Ͷʁ
   

   View Slide

3. 
   ͍͍͑
   

   View Slide

4. 
   ςϥόΠτ 5#
   Ϩϕϧͷ͜ͱ
   ͩΑͶʁ
   

   View Slide

5. 
   ͍͍͑
   

   View Slide

6. 
   ΪΨόΠτ (#
   Ϩϕϧͬ
   ͠ΐʁ
   

   View Slide

7. 
   ͍͍͑
   

   View Slide

8. 
   .#
   

   View Slide

9. 
   .#
   

   View Slide

10. 
    ʙ.#
    

    View Slide

11. 
    BOESPJEBQQ%PXOMPBE.BOBHFS
    ͘͢͝ศར
    

    View Slide

12. 
    ͓खܰ
    

    View Slide

13. 
    

    View Slide

14. ΞϓϦͷ࢓༷తʹ࢖͑ͳ͍৔߹͕͋Δ
    wΞϓϦ಺ͷ6*69ʹμ΢ϯϩʔυମݧ
    Λ૊ΈࠐΈ͍ͨ
    w(PPHMFۘ੡ͷμ΢ϯϩʔυΞϓϦͰਐ
    ௙ঢ়گΛ֬ೝͤͨ͘͞ͳ͍
    wμ΢ϯϩʔυͷ༏ઌॱҐΛಠࣗʹߟྀ
    ͍ͨ͠
    
    

    View Slide

15. 
    

    View Slide

16. 
    ແ͚Ε͹࡞Ε͹͍͍
    !IJLB
    

    View Slide

17. 
    ಠࣗʹμ΢ϯϩʔμʔ
    ͷ࢓૊ΈΛ࡞Ζ͏
    

    View Slide

18. 
    BOESPJEBQQ%PXOMPBE.BOBHFS
    ࢀߟʹ͢Δ
    

    View Slide

19. 
    %PXOMPBE.BOBHFS
    %PXOMPBE1SPWJEFS
    %PXOMPBE4FSWJDF
    %PXOMPBE*OGP
    %PXOMPBE5ISFBE
    

    View Slide

20. ͜͜·Ͱͷ·ͱΊ
    w%PXOMPBE.BOBHFS͸ݸʑͷΞϓϦͷ
    ࢓༷ʹଈͨ͠ܗͰ૊ΈࠐΉͷ͕೉͍͠
    w%PXOMPBE.BOBHFSతͳ࢓૊ΈΛࣗ࡞
    ͢Δͱ͍͏Ξϓϩʔν
    w͡Ό͋ɺ%PXOMPBE.BOBHFSͷ࢓૊Έ
    Λࢀߟʹ࡞ͬͯΈΑ͏
    
    

    View Slide

21. 
    %PXOMPBE.BOBHFS
    %PXOMPBE1SPWJEFS
    %PXOMPBE4FSWJDF
    %PXOMPBE*OGP
    %PXOMPBE5ISFBE
    

    View Slide

22. 
    %PXOMPBE.BOBHFS
    %PXOMPBE1SPWJEFS
    %PXOMPBE4FSWJDF
    %PXOMPBE*OGP
    %PXOMPBE5ISFBE
    

    View Slide

23. 
    $POUFOU1SPWJEFS
    w μ΢ϯϩʔυ͢ΔλεΫʹ͍ͭͯঢ়ଶΛ͔ͬ͠Γ௥੻ɾه࿥͢Δ
    w λεΫͷঢ়ଶΛΈͯμ΢ϯϩʔυॲཧͷϋϯυϦϯάΛߦ͏
    

    View Slide

24. 
    %PXOMPBE.BOBHFS
    %PXOMPBE1SPWJEFS
    %PXOMPBE4FSWJDF
    %PXOMPBE*OGP
    %PXOMPBE5ISFBE
    

    View Slide

25. 
    4FSWJDF
    "DUJWJUZ ը໘ʣͱͷੜଘظ͕ؒҟͳΔ
    ෳ਺ͷը໘ؒΛ·͍ͨͰμ΢ϯϩʔυΛଓߦͰ͖Δ
    

    View Slide

26. 
    Ϣʔβ͕֬ೝ͢Δज़
    

    View Slide

27. 
    Ϣʔβ͕֬ೝ͢Δज़
    w/PUJpDBUJPOΛग़͢
    wࣗྗͰ࣮૷͢Δ
    TUBSU'PSFHSPVOE JOUJE BOESPJEBQQ/PUJpDBUJPOOPUJpDBUJPO
    
    

    View Slide

28. 
    4FSWJDF
    NBOJGFTUͰผϓϩηεΛࢦఆ͢Δ
    TFSWJDF
    BOESPJEOBNF%PXOMPBE4FSWJDF
    BOESPJEQSPDFTTEPXOMPBE
    
    w৽ͨʹώʔϓׂ͕Γ౰ͯΒΕΔ
    w"DUJWJUZ͕ࢮΜͰ΋λεΫΛࡴ͞ͳ͍ݶΓੜଘ͢Δ
    

    View Slide

29. 
    4FSWJDFPS*OUFOU4FSWJDF
    4FSWJDF *OUFOU4FSWJDF
    εϨου ϝΠϯεϨου ϫʔΧʔεϨου
    ॲཧํࣜ
    ύϥϨϧɾγϦΞϧ
    ʢཁ࣮૷ʣ
    γϦΞϧ
    దੑ
    ෳ਺ͷϑΝΠϧΛಉ࣌ʹμ΢
    ϯϩʔυ͢Δͷʹ޲͍͍ͯΔ
    ୯ҰϑΝΠϧΛஞҰతʹμ΢
    ϯϩʔυ͢Δͷʹ޲͍͍ͯΔ
    

    View Slide

30. 
    4FSWJDFͷੜࢮ
    ϓϩηε໊Λ࢖ͬͨੜଘ֬ೝΛͯ͠
    μ΢ϯϩʔυλεΫͷεςʔλεࢀর
    

    View Slide

31. 
    4FSWJDFͷੜࢮ
    ϓϩηε໊ͷੜଘ֬ೝ
    

    View Slide

32. 
    4FSWJDFͷੜࢮ
    ػछʹΑͬͯ͸ݺ͹Εͳ͍
    

    View Slide

33. 
    %PXOMPBE.BOBHFS
    %PXOMPBE1SPWJEFS
    %PXOMPBE4FSWJDF
    %PXOMPBE*OGP
    %PXOMPBE5ISFBE
    

    View Slide

34. 
    5ISFBEͷ਺
    5ISFBEͷ਺ͬͯଟ͍ํ͕μ΢ϯϩʔυΛޮ཰తʹ
    ߦ͑ΔͷͩΖ͏͔ʁ
    େ͖͍ϑΝΠϧͱෳ਺ͷখ͍͞ϑΝΠϧΛμ΢ϯϩʔυ
    ͢Δ৔߹Λߟ͑Δͱͯ͠ɺͦͷ৔߹ɺ֤ϑΝΠϧ͝ͱʹ
    5ISFBEΛ෼͚ͨ΄͏͕ྑ͍ͷͩΖ͏͔ʁ
    

    View Slide

35. 
    5ISFBEͷ਺
    *41
    PS
    ΩϟϦΞ
    IUUQ$POOFDUJPO
    IUUQ$POOFDUJPO
    5ISFBE
    5ISFBE
    *41
    PS
    ΩϟϦΞ
    IUUQ$POOFDUJPO
    5ISFBE
    

    View Slide

36. 
    5ISFBEͷ਺
    γϯάϧεϨουͰ.ͷσʔλΛ%-
    εϨου"Ͱ.εϨου#Ͱ.Λݸ%-
    ࢼߦճ਺ճͷฏۉ
    

    View Slide

37. 
    5ISFBEͷ਺
    εϨου"ͱεϨου#Λ࣮ߦͯ͠TFD
    ࢼߦճ਺ճͷฏۉ
    ෳ਺ͷίωΫγϣϯΛுͬͨͱͯ͠΋ଳҬ͕༨͍ͬͯͳ͍ݶΓ௨৴ࣗମ͸
    ஗͘ͳΔʢஞ࣍ॲཧʹͳΔʣ
    

    View Slide

38. 
    
    
    
    
    .ͷσʔλΛߏ੒͢Δύέοτ .ͷσʔλΛߏ੒͢Δύέοτ
    γϯάϧεϨου
    5ISFBE"#
    

    View Slide

39. 
    5ISFBEͷ਺
    ࢼߦճ਺ճͷฏۉ
    ෳ਺εϨουͰ..✖️ݸͷ߹ܭ࣌ؒ
    

    View Slide

40. 
    5ISFBEͷ਺
    pOBM#MPDLJOH2VFVF3VOOBCMFRVFVFOFX
    -JOLFE#MPDLJOH2VFVF3VOOBCMF
    
    
    5ISFBE1PPM&YFDVUPSUISFBE1PPM&YFDVUPS
    OFX5ISFBE1PPM&YFDVUPS QPPM QPPM
    5JNF6OJU.*--*4&$0/%4 RVFVF OFX
    5ISFBE1PPM&YFDVUPS$BMMFS3VOT1PMJDZ
    
    
    

    View Slide

41. 
    5ISFBEͷ਺
    ݸʑͷ%-࣌ؒ͸஗͘ͳΔ͕ɺৗʹ௨৴͕Ͱ͖͍ͯΔͱ૯ͯ͡
    %-଎౓͸଎͘ͳͬͨɻ
    ฒߦॲཧʹΑͬͯίωΫγϣϯΛுΔ౳ͷΦʔόʔϔου͕গ
    ͳ͘ͳ͍ͬͯΔ
    

    View Slide

42. 
    5ISFBEͷ਺
    . . . . . .
    . . .
    . .
    .
    

    View Slide

43. 
    5ISFBEͷ਺
    

    View Slide

44. 
    5ISFBEͷ਺
    "041GSBNFXPSLTCBTFDPSFSFTSFT
    WBMVFTDPOpHYNM
    

    View Slide

45. 
    5ISFBEͷ਺
    7PMMFZͷσϑΥϧτͷ5ISFBEͷ਺
    

    View Slide

46. 
    σʔλΛอଘ͢Δ
    00.&
    

    View Slide

47. 
    σʔλΛอଘ͢Δ
    

    View Slide

48. 
    σʔλΛอଘ͢Δ
    ຖճ'JMF*0ͷͭͳ͗Λ͢Δͱ஗͘ͳΔ
    

    View Slide

49. 
    σʔλΛอଘ͢Δ
    

    View Slide

50. 
    σʔλΛอଘ͢Δ
    

    View Slide

51. 
    σʔλΛอଘ͢Δ
    

    View Slide

52. 
    σʔλΛอଘ͢Δ
    #V⒎FSFE0VUQVU4USFBNͷόοϑΝͷ஋Λௐ੔͢
    Δ͜ͱʹΑͬͯ04ͱΞϓϦؒͰͷλεΫͷ੾ସΛগ
    ͳ͘͢Δ
    ʢσϑΥϧτ͸όΠτʣ
    

    View Slide

53. 
    σʔλΛอଘ͢Δ
    

    View Slide

54. 
    σʔλΛอଘ͢Δ
    ૯ͯ͡ݟΔͱଝ৭ͳ͍
    

    View Slide

55. 
    σʔλΛอଘ͢Δ
    ॻ͖ࠐΈΩϟογϡ͕͍ͬͺ͍ʹͳΔ·Ͱɺ଴ͪ࣌ؒ
    ͕ൃੜ͠ͳ͍ͷͰෳ਺5ISFBE͕͋ͬͯ΋ࡹ͚͍ͯΔ
    Α͏ͩɻ
    

    View Slide

56. 
    ௨৴ʴॻ͖ࠐΈ
    ࢼߦճ਺ճͷฏۉ
    

    View Slide

57. 
    5ISFBEͷ਺
    ෳ਺ ୯Ұ
    ϝϦοτ
    μ΢ϯϩʔυ଎౓͸଎͘ͳΔ
    ʢଳҬʹґଘ͢Δʣ
    ؅ཧָ͕ɺεϨουͷϝϞϦ
    ͸গͳͯ͘͢Ή
    σϝϦοτ
    ؅ཧ͕େม
    ϝϞϦফඅྔ͸େ͖͍
    ෳ਺ΑΓ΋μ΢ϯϩʔυ଎౓
    ͸஗͘ͳΔ
    

    View Slide

58. 
    5ISFBEͷ਺
    େ༰ྔͳσʔλΛμ΢ϯϩʔυ͢Δ৔߹ɺϢʔβମݧ
    ͱଞͷΞϓϦͷύϑΥʔϚϯεΛߟྀ͢Δͱγϯάϧ
    εϨουͰ΋ྑ͍ͱߟ͑ΒΕΔ
    

    View Slide

59. ͜͜·Ͱͷ·ͱΊ
    w μ΢ϯϩʔυ͢ΔλεΫͷঢ়ଶΛ؅ཧ͢Δ
    ʢ$POUFOU1SPWJEFSʣ
    w ը໘Λލ͍Ͱμ΢ϯϩʔυΛ͢ΔͳΒ͹
    4FSWJDFΛ࢖͓͏
    w 5ISFBEͷ਺ʹ͍ͭͯ͸μ΢ϯϩʔυ͢Δ
    ίϯςϯπͱଳҬɾϢʔβମݧΛߟྀͯ͠
    ܾΊΔ
    
    

    View Slide

60. 
    μ΢ϯϩʔυͷࣦഊ࣌
    w KBWBMBOH0CKFDU
    w KBWBMBOH5ISPXBCMF
    w KBWBMBOH&YDFQUJPO
    w KBWBJP*0&YDFQUJPO
    w KBWBOFU4PDLFU&YDFQUJPO
    w KBWBOFU$POOFDU&YDFQUJPO
    w KBWBMBOH0CKFDU
    w KBWBMBOH5ISPXBCMF
    w KBWBMBOH&YDFQUJPO
    w KBWBJP*0&YDFQUJPO
    w KBWBOFU6O,OPXO)PTU&YDFQUJPO
    wιέοτ௨৴ͷ࠷தʹࣦഊ
    wιέοτ௨৴ࣗମ͕ڋ൱͞Εͨ
    w઀ଓઌͷΞυϨε͕൑ఆͰ͖ͳ͍
    

    View Slide

61. 
    μ΢ϯϩʔυͷࣦഊ࣌
    USZ\
    μ΢ϯϩʔυॲཧ
    ^DBUDI *0&YDFQUJPOF
    \
    UISPXOFX4UPQ3FRVFTU&YDFQUJPO 45"564@'*-&@&3303 F
    
    ^
    

    View Slide

62. 
    μ΢ϯϩʔυͷࣦഊ࣌
    ࣦഊ͢Δͦͷॠؒ·ͰɺҰମͲΕ͚ͩͷσʔλΛμ΢ϯϩʔ
    υͨ͠ͷ͔ʁ
    ࣦഊͨ͠ΒɺવΔ΂͖λΠϛϯάͰ·ͨ࠶։͢Ε͹͍͍
    TUBUFN$VSSFOU#ZUFTCZUFT3FBE
    

    View Slide

63. 
    μ΢ϯϩʔυͷ࠶։
    3BOHFϦΫΤετͰμ΢ϯϩʔυΛ։࢝͢Δσʔλ
    ҐஔΛࢦఆ͢Δ
    IUUQ63-$POOFDUJPOTFU3FRVFTU1SPQFSUZ 3BOHF CZUFT
    SBOHF
    
    CZUFT
    CZUFT
    

    View Slide

64. 
    μ΢ϯϩʔυͷਐ௙Λ
    ఻ୡ͢Δ
    w"*%-ܦ༝Ͱ4FSWJDF͔Β"DUJWJUZ΁ίʔϧ͢Δ
    w#SPBEDBTUΛඈ͹͢ʢ஫ҙɿ௨஌ͷཻ౓Λߟྀ͢Δʣ
    

    View Slide

65. ͜͜·Ͱͷ·ͱΊ
    w Կ͔͠Βͷྫ֎͕ൃੜͯ͠΋߄ͯͳ͍Ͱࠓ
    ͷਐ௙ΛͪΌΜͱ࢒͢
    w ਐ௙ঢ়گ͸"*%-͔#SPBEDBTUͰ௨஌͢Δ
    
    

    View Slide

66. 
    %PXOMPBE.BOBHFS
    %PXOMPBE1SPWJEFS
    %PXOMPBE4FSWJDF
    %PXOMPBE*OGP
    %PXOMPBE5ISFBE
    

    View Slide

67. ·ͱΊ
    w %PXOMPBE.BOBHFSͷߏ੒ཁૉΛࢀߟʹ
    ͯ͠ಠࣗͷμ΢ϯϩʔυͷ࢓૊ΈΛ࡞Δ
    w େม͚ͩͲɺࣗ෼ͷΞϓϦಠࣗͷϢʔβମ
    ݧΛఏڙ͢Δ͜ͱ͸ྑ͍͜ͱʂ
    w ؤுΖ͏ʂʂ
    
    

    View Slide

68. 
    

    View Slide

69. 
    εϖγϟϧαϯΫε
    ,*%"
    GSPNςοΫϑΝʔϜ
    

    View Slide

70. 
    

    View Slide

71. 
    ͝੩ௌ͋Γ͕ͱ͏͟͝
    ͍·ͨ͠
    

    View Slide