$30 off During Our Annual Pro Sale. View Details »

マルチスレッドRxSwift @ 社内RxSwift勉強会

ukitaka
July 19, 2016
Programming
5
1k

マルチスレッドRxSwift @ 社内RxSwift勉強会

マルチスレッドRxSwift @ 社内RxSwift勉強会

ukitaka

July 19, 2016
Tweet

More Decks by ukitaka

See All by ukitaka
CSの生産性改善を支える分析環境 Mercari CS/CRE Tech Talk #1
ukitaka
1
2.1k
switchのexhaustiveness/redundancy チェック 理論と実装 わいわいswiftc #8 @ukitaka
ukitaka
0
140
SwiftのDemanglerを書く @ わいわいswiftc番外編
ukitaka
0
380
Swiftの型システムに入門する - iOSDC Japan 2018
ukitaka
9
3.5k
Responder Chainを使って コードをスッキリさせたい - 第1回 HAKATA.swift
ukitaka
6
1.2k
理論から入門するswift/lib/Sema - わいわいswiftc #1
ukitaka
5
1.4k
Realmの処理を再利用可能かつ合成可能にする
ukitaka
0
840
今日こそ理解するHot / Cold @社内RxSwift勉強会
ukitaka
14
2.4k
RxSwift コードリーディングの勘所@社内RxSwift勉強会
ukitaka
3
830

Other Decks in Programming

See All in Programming
アーキテクチャ刷新の現場 / Scene of architectural renewal
nrslib
6
940
Modern Java for the Masses! Is Java Still Relevant?
deepu105
1
460
フロントエンドの書くべきだったテスト、書かなくてよかったテスト
takefumiyoshii
33
11k
KDDI共同講演：@niftyメール基盤移行プロジェクト - NIFTY Tech Day 2023
niftycorp
0
130
文化祭入退場システムCracker (at U-22プログラミング・コンテスト)
pocopota
0
140
ニフティ開発インターンで使うAWS環境をできるだけ楽に構築した話 (LT) - NIFTY Tech Day 2023
niftycorp
0
120
C++20からC++23までの変化
faithandbrave
2
2.8k
第42回ロボティクス勉強会：実環境を手軽にシミュレータ環境に持ってくるpointcloud2gazebo
atinfinity
0
920
個人開発がおすすめな理由
texmeijin
2
630
Vue & Vite Rustify
kazupon
4
940
JSConfjp2023 Storybook駆動開発の再現性と効率化
kinocoboy2
1
2k
おえかきアプリを支える技術
chururi
0
110

Featured

See All Featured
The World Runs on Bad Software
bkeepers
PRO
59
6.2k
What the flash - Photography Introduction
edds
64
11k
Designing Experiences People Love
moore
133
23k
A Philosophy of Restraint
colly
194
15k
BBQ
matthewcrist
76
8.5k
How STYLIGHT went responsive
nonsquared
89
4.5k
Designing the Hi-DPI Web
ddemaree
274
33k
Become a Pro
speakerdeck
PRO
8
3.6k
KATA
mclloyd
13
11k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
240
20k
Bootstrapping a Software Product
garrettdimon
PRO
299
110k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
1
1.1k

Transcript

  1. ϚϧνεϨουRxSwift
    @ࣾ಺RxSwiftษڧձ

    View Slide

  2. ߹ΘͤͯಡΈ͍ͨ
    https://https://speakerdeck.com/ukitaka/rxswift-kodorideingufalsekan-suo-at-she-nei-rxswiftmian-qiang-hui/bricklife/rxswiftfalseobserveontosubscribeonwoli-jie-suru

    View Slide

  3. ཁίʔυϦʔσΟϯά
    • ޙͰৄ͘͠આ໌͠·͕͢ɺʮͲͷεϨουͰ
    subscribe͕ߦΘΕ͔ͨʯ͕ͱͯ΋ॏཁʹͳ͖ͬͯ
    ·͢ɻ
    • ͜͜Ͱ͍͏subscribe͸಺෦తͳsubscribe΋ؚΈ
    ·͢ɻͭ·ΓʮOperator͕͍ͭͲͷεϨουͰ
    sourceΛsubscribe͢Δ͔ʯΛ೺Ѳ͠ͳ͍ͱɺڍಈ
    Λཧղ͢Δͷ͕೉͍͜͠ͱ΋͋Δ͔΋͠Ε·ͤΜɻ

    View Slide

  4. ͜ͷεϥΠυͰ͸
    • ·ͣɺRxSwiftͱGCDͳͲͷ૊Έ߹ΘͤʹΑΔ
    ϚϧνεϨου؀ڥͰͷڍಈͷ֬ೝͱಈ࡞ϧʔ
    ϧͷઆ໌Λߦ͍·͢ɻ
    • ͦͷޙobserveOnɺsubscribeOnͷڍಈͷઆ
    ໌Λߦ͍·͢ɻ

    View Slide

  5. ͜ͷεϥΠυͰ͸
    • ϚϧνεϨουͱ͍ͬͯ΋ɺଟ͘ͷiOS։ൃऀ͕ڵຯ͕͋Δͷ
    ͸ʮϝΠϯεϨουʯ͔ʮͦΕҎ֎͔ʯͩͱࢥ͍·͢ɻ
    • ͜ͷεϥΠυͰ͸ɺʮϝΠϯεϨουͰͳ͍εϨουʯΛ·ͱ
    ΊͯʮόοΫάϥ΢ϯυεϨουʯͱݺͿ͜ͱʹͯ͠ɺϝΠϯ
    εϨου͔όοΫάϥ΢ϯυεϨου͔ͷΈʹ஫໨͠·͢ɻ
    • ͭ·ΓόοΫάϥ΢ϯυεϨου͸ෳ਺͋Γɺ࣮ࡍʹͲͷεϨο
    υͰॲཧ͞ΕΔ͔͸ɺ(RxSwift͕಺෦తʹར༻͍ͯ͠Δ) GCD
    ΍NSOperationQueueʹґଘ͢Δ͜ͱʹ஫ҙ͍ͯͩ͘͠͞ɻ

    View Slide

  6. ͜ͷεϥΠυͰ͸
    • RxSwift͸ v2.5.0 (2016೥7݄࣌఺Ͱͷmaster)
    Λݟͯ·͢ɻ
    • ͨͿΜόʔδϣϯ1ܥ΍ࠓޙͷόʔδϣϯͰ΋
    ௨༻͢Δ͔͸ෆ໌Ͱ͕͢ɺͨͿΜେ͖͘ζϨ
    Δ͜ͱ͸ແ͍ͱࢥ͍·͢ɻ

    View Slide

  7. લฤ
    Observableͱ
    εϨου

    View Slide

  8. ಈ࡞ϧʔϧ

    View Slide

  9. ϧʔϧͦͷ1
    ௨ৗͷColdͳOperator͸
    subscribe͞ΕͨεϨουͰsubscribe
    on͞ΕͨεϨουͰonΛݺͿɻ

    View Slide

  10. ϧʔϧͦͷ1(ଓ͖)
    ಛʹSchedulerͷࢦఆͳͲ͕ͳ͍৔߹ɺ
    createܥOperator͸subscribeͨ͠ε
    ϨουͰonΛݺͿɻ

    View Slide

  11. ݴ༿͚ͩͩͱΑ͘Θ͔ΒΜ

    View Slide

  12. View Slide

  13. Sequence Observer

    View Slide

  14. Sequence Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου

    View Slide

  15. Sequence Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    on

    View Slide

  16. Question1
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  17. View Slide

  18. Map͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  19. Answer
    ਖ਼ղ͸…

    View Slide

  20. A. όοΫάϥ΢ϯυεϨου

    View Slide

  21. ղઆ
    Sequence Map Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου

    View Slide

  22. ղઆ
    subscribe
    Sequence Map Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    ݺ͹ΕͨεϨουͰ಺෦తʹsourceͷ
    subscribeΛߦ͏ɻ

    View Slide

  23. ղઆ
    subscribe
    Sequence Map Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribe͕ݺ͹ΕͨεϨουonΛݺͿ

    View Slide

  24. ղઆ
    subscribe
    Sequence Map Observer
    subscribe
    on
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    on

    View Slide

  25. Question2
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  26. View Slide

  27. Map͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  28. Answer
    ਖ਼ղ͸…

    View Slide

  29. A. όοΫάϥ΢ϯυεϨου

    View Slide

  30. ղઆ
    Sequence Map Observer
    Publish

    View Slide

  31. ղઆ
    Sequence Map Observer
    Publish
    subscribe

    View Slide

  32. ղઆ
    Sequence Map Observer
    subscribe
    Publish
    subscribe

    View Slide

  33. ղઆ
    subscribe
    Sequence Map Observer
    subscribe
    Publish
    subscribe

    View Slide

  34. ղઆ
    subscribe
    Sequence Map Observer
    subscribe
    Publish
    subscribe
    subscribe͕ݺ͹ΕͨεϨουonΛݺͿ

    View Slide

  35. ղઆ
    subscribe
    Sequence Map Observer
    subscribe
    on on
    Publish
    subscribe
    on

    View Slide

  36. (ิ଍) ղઆ
    subscribe
    Sequence Map Observer
    subscribe
    on on
    Publish
    subscribe
    on
    ಛʹઆ໌ͯ͠ͳ͔͕ͬͨɺSubject΋
    on͞ΕͨεϨουͰonΛݺͿ

    View Slide

  37. Question3
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  38. View Slide

  39. Map͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  40. Answer
    ਖ਼ղ͸…

    View Slide

  41. A. όοΫάϥ΢ϯυεϨου

    View Slide

  42. ղઆ
    • refCount() ͸ʮHot͕ͩɺ࠷ॳʹsubscribe͞
    ΕΔ·Ͱಈ࡞͠ͳ͍ʯͱ͍͏ڍಈɻͭ·Γ࠷
    ॳʹsubscribe͕ݺ͹ΕͨεϨου͕ॏཁɻ
    • ࠓճ͸࠷ॳʹsubscribeΛݺΜͰ͍Δͷ͕όο
    Ϋάϥ΢ϯυεϨουͳͷͰόοΫάϥ΢ϯ
    υͰಈ࡞͢Δɻ

    View Slide

  43. (࠶ܝ) ϧʔϧͦͷ1
    ௨ৗͷColdͳOperator͸
    subscribe͞ΕͨεϨουͰsubscribe
    on͞ΕͨεϨουͰonΛݺͿɻ

    View Slide

  44. (࠶ܝ) ϧʔϧͦͷ1(ଓ͖)
    ಛʹSchedulerͷࢦఆͳͲ͕ͳ͍৔߹ɺ
    createܥOperator͸subscribeͨ͠ε
    ϨουͰonΛݺͿɻ

    View Slide

  45. ࣍ͷϧʔϧ΁…

    View Slide

  46. ϧʔϧͦͷ2
    createܥͷOperatorʹScheduler͕ࢦ
    ఆ͞Ε͍ͯΔ৔߹ɺsubscribe͢Δͱͦ
    ͷScheduler্ͰonΛݺͿɻ
    ͭ·ΓɺͲͷεϨουͰsubscribe͞Ε
    ͔ͨ͸ؔ܎ͳ͍ɻ
    (௕͍)

    View Slide

  47. Scheduler
    • createܥͷOperatorʹ͸ɺSchedulerΛࢦఆͰ
    ͖Δ΋ͷ͕͋Δɻ

    View Slide

  48. Scheduler
    • Scheduler͕ࢦఆ͞Ε͍ͯΔ৔߹ʹͲ͏͍͏ڍ
    ಈʹͳΔ͔ɺͱ͍͏ͷ͕ࠓճͷϧʔϧ

    View Slide

  49. View Slide

  50. Scheduler͕ࢦఆ͞Ε͍ͯΔ

    View Slide

  51. Sequence Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου

    View Slide

  52. Sequence Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου

    View Slide

  53. Sequence Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    on

    View Slide

  54. ͭ·Γ
    • Scheduler͕ࢦఆ͞Ε͍ͯΔ৔߹͸Ͳ͜Ͱ
    subscribeΛݺ΅͏͕ɺࢦఆ͞Εͨ
    Scheduler(εϨου)ͰonΛݺͿɻ

    View Slide

  55. Question4
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  56. View Slide

  57. ֤.Next, .Completed͸ͲͷεϨουͰon͞ΕΔͰ͠ΐ͏ʁ

    View Slide

  58. Answer
    ਖ਼ղ͸…

    View Slide

  59. A. ح਺͸όοΫάϥ΢ϯυεϨου
    ۮ਺͸ϝΠϯεϨου
    .Completed͸ෆఆ

    View Slide

  60. ղઆ
    • .Nextʹ͍ͭͯ͸౴͑͸؆୯Ͱ͕͢ɺ୭͕Ͳ͏ಈ
    ͍͍ͯΔͷ͔ΠϝʔδͰ͖ΔͱΑΓྑ͍ͱࢥ͍
    ·͢ɻ
    • ͭ·ΓMergeSinkIter͕subscribeΛ͢Δ →
    Scheduler͕ࢦఆ͞Ε͍ͯΔͷͰͦͷεϨουͰ
    on͕ݺ͹Εͯobserverʹ౉͢ͱ͍͏͜ͱͰ͢ɻ

    View Slide

  61. ղઆ
    • .Completed͸ෆఆͰ͢ɻෳ਺ͷqueueʹ
    dispatch͍ͯ͠ΔͷͰɺ࠷ޙʹྲྀΕ͖ͯ
    ͨ.Next͕ͲͷεϨου͔ͩͬͨͰ.Completed
    ͕ྲྀΕͯ͘ΔεϨου͕มΘΓ·͢ɻ
    • ·͊ී௨͸͜Μͳ࢖͍ํ͠ͳ͍ͱ͸ࢥ͍·͢
    ͕…

    View Slide

  62. Question5
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  63. View Slide

  64. Replay͞ΕΔ.Next͸
    1. .NextΛ࠷ॳʹܭࢉͨ͠εϨου
    2. subscribeͨ͠εϨου
    ͲͪΒͰྲྀΕͯ͘ΔͰ͠ΐ͏ʁ

    View Slide

  65. Answer
    ਖ਼ղ͸…

    View Slide

  66. A. subscribeͨ͠εϨου

    View Slide

  67. ղઆ
    • replay͸subscribe͞ΕͨεϨουͰߦΘΕ·
    ͢ɻ
    • ·͊ͦΕ͚ͩͰ͢ɻɻɻ

    View Slide

  68. (࠶ܝ) ϧʔϧͦͷ2
    createܥͷOperatorʹScheduler͕ࢦ
    ఆ͞Ε͍ͯΔ৔߹ɺsubscribe͢Δͱͦ
    ͷScheduler্ͰonΛݺͿɻ
    ͭ·ΓɺͲͷεϨουͰsubscribe͞Ε
    ͔ͨ͸ؔ܎ͳ͍ɻ
    (௕͍)

    View Slide

  69. ObservableͱεϨουʹؔ͢Δϧʔϧ
    1. ௨ৗͷColdͳOperator͸subscribe͞ΕͨεϨουͰ
    subscribeɺon͞ΕͨεϨουͰonΛݺͿɻಛʹ
    SchedulerͷࢦఆͳͲ͕ͳ͍৔߹ɺcreateܥOperator
    ͸subscribeͨ͠εϨουͰonΛݺͿ
    2. createܥͷOperatorʹScheduler͕ࢦఆ͞Ε͍ͯΔ৔
    ߹ɺsubscribe͢ΔͱͦͷScheduler্ͰonΛݺͿɻͭ
    ·ΓɺͲͷεϨουͰsubscribe͞Ε͔ͨ͸ؔ܎ͳ͍ɻ

    View Slide

  70. ޙฤ
    observeOn, subscribeOn

    View Slide

  71. observeOn, subscribeOn
    • ͔͜͜Β͸Scheduler(εϨου)Λมߋ͢Δͨ
    ΊͷOperator observeOn, subscribeOnʹͭ
    ͍ͯݟ͍͖ͯ·͕͢ɺ͜͜·Ͱͷ࿩͕ͳΜͱ
    ͳ͘ཧղͰ͖͍ͯΕ͹ಛʹ೉͘͠ͳ͍ͱࢥ͍
    ·͢ɻ

    View Slide

  72. observeOn
    on͢ΔScheduler(εϨου)Λ
    มߋ͢Δ

    View Slide

  73. subscribeOn
    subscribe͢ΔScheduler(εϨου)Λ
    มߋ͢Δ

    View Slide

  74. ͦͷ··ʂʂ

    View Slide

  75. ղઆ
    Sequence Map Observer
    subscribe
    on
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    observeOn
    .observeOn(backgroundScheduler)
    subscribe subscribe
    on
    on

    View Slide

  76. ղઆ
    Sequence Map Observer
    subscribe
    on
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    observeOn
    .observeOn(backgroundScheduler)
    subscribe subscribe
    on
    on

    View Slide

  77. ղઆ
    Sequence Map Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribeOn
    .subscribeOn(backgroundScheduler)
    subscribe
    on
    on
    on
    subscribe

    View Slide

  78. ղઆ
    Sequence Map Observer
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribeOn
    .subscribeOn(backgroundScheduler)
    subscribe
    on
    on
    on
    subscribe

    View Slide

  79. observeOn
    • observeOnʹ͍ͭͯ͸ɺͦΕΑΓલͷจ຺ʹ
    ؔ܎ͳ͘࢖͑ΔͷͰɺಛʹ೉͍͜͠ͱΛߟ͑
    ͣʹʮΠϕϯτ͕ྲྀΕͯ͘ΔεϨουΛม͑
    ͍ͨʂʯͱ͍͏ͱ͖ʹ࢖͑Δͱࢥ͍·͢ɻ

    View Slide

  80. subscribeOn
    • subscribeOnʹ͍ͭͯ͸͔ͳΓ಺෦ͷಈ͖ʹ
    ґଘ͠·͕͢ɺཁ͸લฤͰΈͨ௨ΓͰɺͬ͟
    ͘Γݴͬͯ͠·͑͹ҎԼ͸ಉ͡Ͱ͢ɻ

    View Slide

  81. subscribeOn
    • લͷจ຺ʹ͔ͳΓґଘ͢ΔͷͰɺͦ΋ͦ΋
    subscribeOn͕ޮ͔ͳ͍͜ͱ͢Β΋͋Γ·͢ɻ
    • ࢖͍υίϩͱͯ͠͸ɺcreateܥͷOperatorͷ
    ௚ޙʹॻ͍͓͍ͯͯͦͷScheduler(εϨου)
    Ͱ͔͠ಈ࡞͠ͳ͍ObservableΛ࡞Δ͜ͱ͕Ͱ
    ͖·͢ɻ

    View Slide

  82. Question6
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  83. View Slide

  84. ͦΕͧΕͷMap͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  85. Answer
    ਖ਼ղ͸…

    View Slide

  86. A. όοΫάϥ΢ϯυεϨου

    View Slide

  87. ղઆ
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribe
    on
    on
    on
    subscribe
    Sequence Map Observer
    subscribeOn Map
    subscribe
    on

    View Slide

  88. Question7
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  89. View Slide

  90. View Slide

  91. ͦΕͧΕͷMap͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  92. Answer
    ਖ਼ղ͸…

    View Slide

  93. A. ϝΠϯεϨου

    View Slide

  94. ղઆ
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribe
    subscribe
    Sequence Map Observer
    subscribeOn Map
    subscribe

    View Slide

  95. ղઆ
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribe
    subscribe
    Sequence Map Observer
    subscribeOn Map
    subscribe
    Sequence͸MainSchedulerͰಈ࡞͢Δɻ

    View Slide

  96. ղઆ
    subscribe
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribe
    subscribe
    Sequence Map Observer
    subscribeOn Map
    subscribe
    on on on on

    View Slide

  97. Question8
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  98. View Slide

  99. ͦΕͧΕͷMap͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  100. Answer
    ਖ਼ղ͸…

    View Slide

  101. A. όοΫάϥ΢ϯυεϨου

    View Slide

  102. ղઆ
    • (ུ)

    View Slide

  103. (࠶ܝ) observeOn
    on͢ΔScheduler(εϨου)Λ
    มߋ͢Δ

    View Slide

  104. (࠶ܝ) subscribeOn
    subscribe͢ΔScheduler(εϨου)Λ
    มߋ͢Δ

    View Slide

  105. ͓·͚
    Driver

    View Slide

  106. Driver
    • Driver͸RxCocoa͕ఏڙ͍ͯ͠ΔɺUIͱͭͳ
    ͛Δͱ͖ʹྑ͍ײ͡ʹ΍ͬͯ͘ΕΔศརͳ
    Observableతͳ͛͢ʔ΍ͭɻ(ޠኮྗ)
    • ࡉ͔͍ੑ࣭͸͍Ζ͍Ζ͋ΔΜͰ͕͢ɺεϨο
    υपΓͷੑ࣭ʹ͍ͭͯݟͯΈ·͢ɻ

    View Slide

  107. Driverͷ࡞Γํ
    • createܥͷOperatorΛར༻͢Δ
    • Observable͔Βม׵͢Δ

    View Slide

  108. createܥͷOperatorΛར༻͢Δ
    • Driverʹ΋ಉ͡Α͏ʹcreate, just, ofͳͲͷ
    Operator͕ଘࡏ͢Δɻ
    • ίʔυΛಡΉͱ࢓૊Έ͸؆୯ͰɺϝΠϯεϨο
    υͰsubscribe͕͞ΕΔΑ͏ʹsubscribeOnΛ
    ݺΜͰ͍Δ͜ͱ͕Θ͔Δɻ

    View Slide

  109. createܥͷOperatorΛར༻͢Δ

    View Slide

  110. Observable͔Βม׵͢Δ
    • asDriverͰObservableΛDriverʹͰ͖Δ
    • ͬͪ͜΋؆୯ͰɺobserveOnͰϝΠϯεϨο
    υͰಈ࡞͢ΔΑ͏ʹ͍ͯ͠Δɻ

    View Slide

  111. Observable͔Βม׵͢Δ

    View Slide

  112. drive, driveNext
    • Driver ʹ͸ subscribe ͕ͳ͘ɺ୯७ʹ୅ΘΓ
    ʹdrive΍ driveNext ͳͲΛར༻͢Δɻ
    • 1͚ͭͩ஫ҙ఺͕͋ͬͯɺ͜ΕΒ͸ϝΠϯε
    ϨουͰ͔͠ݺ΂ͳ͍ɻ

    View Slide

  113. drive, driveNext

    View Slide

  114. DriverͷOperatorʹ͍ͭͯ
    • mapͳͲɺ௨ৗͷOperator͸͍͍ͩͨҰ௨Γ
    ༻ҙ͞Ε͍ͯΔɻ
    • ͜ΕΒΛݺΜͰ΋ಛʹεϨουʹӨڹ͸ͳ͍ɻ
    • driveOnSchedulerͱ͍͏Operator͕͋Δ͕ɺ
    ͜Ε͸ςετ༻ͳͷͰ࢖Θͳ͍Α͏ʹɻ

    View Slide

  115. Question9
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  116. View Slide

  117. Map͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  118. Answer
    ਖ਼ղ͸…

    View Slide

  119. A. Τϥʔ

    View Slide

  120. ղઆ
    • drive͸ϝΠϯεϨου͔Β͔͠ݺ΂·ͤΜɻ
    (ͻ͔͚ͬʣ

    View Slide

  121. Question10
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  122. View Slide

  123. Map͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  124. Answer
    ਖ਼ղ͸…

    View Slide

  125. A. ϝΠϯεϨου

    View Slide

  126. ղઆ
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribe
    Sequence Map Observer
    drive
    on on

    View Slide

  127. Question11
    Ͳ͜ͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ

    View Slide

  128. View Slide

  129. Map͸ͲͷεϨουͰಈ࡞͢ΔͰ͠ΐ͏ʁ
    Observerʹ͸ͲͷεϨουͰΠϕϯτ͕ಧ͘Ͱ͠ΐ͏ʁ

    View Slide

  130. Answer
    ਖ਼ղ͸…

    View Slide

  131. A. map͸όοΫάϥ΢ϯυ
    observer͸ϝΠϯ

    View Slide

  132. ղઆ
    ϝΠϯεϨου
    όοΫάϥ΢ϯυεϨου
    subscribe
    Sequence Map Observer
    drive
    on
    on

    View Slide

  133. ͓·͚ ͦͷ2
    NSURLSession+Rx

    View Slide

  134. NSURLSession+Rx
    • rx_response΍rx_JSON͸όοΫάϥ΢ϯυε
    ϨουͰonΛݺΜͰ͘ΔͷͰɺωοτϫʔΫ
    → UI Λ΍Δͱ͖͸ؾΛ͚ͭΑ͏ɻ

    View Slide

  135. ·ͱΊ

    View Slide

  136. ObservableͱεϨουʹؔ͢Δϧʔϧ
    1. ௨ৗͷColdͳOperator͸subscribe͞ΕͨεϨουͰ
    subscribeɺon͞ΕͨεϨουͰonΛݺͿɻಛʹ
    SchedulerͷࢦఆͳͲ͕ͳ͍৔߹ɺcreateܥOperator
    ͸subscribeͨ͠εϨουͰonΛݺͿ
    2. createܥͷOperatorʹScheduler͕ࢦఆ͞Ε͍ͯΔ৔
    ߹ɺsubscribe͢ΔͱͦͷScheduler্ͰonΛݺͿɻͭ
    ·ΓɺͲͷεϨουͰsubscribe͞Ε͔ͨ͸ؔ܎ͳ͍ɻ

    View Slide

  137. observeOn, subscribeOn
    1. subscribeOn͸subscribe͢ΔScheduler(ε
    Ϩου)Λมߋ͢Δɻ
    2. observeOn͸on͢ΔScheduler(εϨου)Λ
    มߋ͢Δɻ

    View Slide

  138. Ҏ্ʂʂ

    View Slide