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クロスプラットフォーム開発3種の神器 React Native / TypeScript / GraphQL

クロスプラットフォーム開発3種の神器 React Native / TypeScript / GraphQL

Takuji Nishibayashi

February 07, 2019
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  1. ΫϩεϓϥοτϑΥʔϜ։ൃ
    ࡾछͷਆث
    React Na(ve / TypeScript / GraphQL
    Takuji Nishibayashi, Ryo Kitamura
    DroidKaigi 2019, day 1, 16:30-17:20

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  2. ࣗݾ঺հ

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  3. ࣗݾ঺հ
    • Takuji Nishibayashi
    • takuji31
    • Hatena Co., Ltd. (2016/01 ~)
    • Android (2009~)
    • Kotlin

    !
    hFps:/
    /blog.takuji31.jp

    "
    hFps:/
    /nazuna.takuji31.jp

    # $
    hFps:/
    /photo.takuji31.jp

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  4. ࣗݾ঺հ
    • Ryo Kitamura
    • @experopero id:funnelbit
    • Hatena Co., Ltd.
    • Android
    • iOS
    • React NaAve

    !
    hDp:/
    /funnelbit.hatenablog.com/

    "
    hDps:/
    /www.instagram.com/
    experopero/

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  5. AGENDA
    • ΧΫϤϜͱΞϓϦϦχϡʔΞϧʹ͍ͭͯ
    • ΫϩεϓϥοτϑΥʔϜ։ൃࡾछͷਆث
    • React Na)veΛ༻͍ͨ։ൃ
    • ಋೖͯ͠Ͳ͏͔ͩͬͨ
    • ࠔͬͨ͜ͱ

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  6. ΧΫϤϜ

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  7. KADOKAWA×͸ͯͳ͕͓͘Δ
    ʮॻ͚ΔɺಡΊΔɺ఻͑ΒΕΔʯ
    Webখઆ౤ߘαΠτ

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  8. ΧΫϤϜ
    • KADOKAWA༷ͱ͸ͯͳͷڞಉ։ൃ
    • ެࣜ࡞඼΋ಡΊ·͢
    • ॻ੶Խ࡞඼ଓʑग़ͯ·͢
    • ΞχϝԽ࡞඼΋ܾఆ͠·ͨ͠
    • ॎ૊ΈରԠ
    • ެࣜϏϡʔϫʔΞϓϦ (Android, iOS)

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  9. kakuyomu.jp

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  10. View Slide

  11. View Slide

  12. ΞϓϦϦχϡʔΞϧʹ
    ͍ͭͯ

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  13. ΞϓϦ͸ΧΫϤϜͷϤϜ෦෼Λ
    ୲͍ͬͯΔ

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  14. ࠓճΧΫϤϜViewerͱͯ͠
    ϦχϡʔΞϧ

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  15. δϟϯϧؒΛεϫΠϓͰαΫαΫҠಈͯ͠ɺ
    ͓໨౰ͯͷখઆΛܰշʹ୳͠΍͘͢

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  16. View Slide

  17. ϝσΟΞը໘ͷωΠςΟϒԽ
    ʴ
    طଘը໘ͷվम

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  18. ৽نը໘͸
    ΫϩεϓϥοτϑΥʔϜͰ
    → React Na)veΛ࠾༻

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  19. طଘը໘ͷվम͸ैདྷ௨Γ
    → Java(్த͔ΒKotlinԽ)/ Swi1

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  20. React Na(ve + ωΠςΟϒͷ
    ϋΠϒϦουΞϓϦʹ

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  21. View Slide

  22. View Slide

  23. Ϋϩε
    ϓϥοτϑΥʔϜ
    ։ൃࡾछͷਆث

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  24. ΫϩεϓϥοτϑΥʔϜ։ൃࡾछͷਆث
    • React Na)ve
    • GraphQL
    • (TypeScript)

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  25. React Na(ve

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  26. React Na(ve
    • ReactΛར༻ͯ͠ϞόΠϧΞϓϦΛ։ൃͰ͖ΔϑϨʔϜϫʔΫ
    • github.com/facebook/react-na5ve
    • Android, iOSରԠ
    • طଘͷωΠςΟϒΞϓϦʹ௥ՃͰಋೖՄೳ

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  27. React Na(ve
    • JavaScriptʹXMLͷλάͷΑ͏ͳه๏͕௥Ճ͞Εͨ
    JSXΛ࢖ͬͯهड़
    • TypeScriptʹ΋ରԠ
    • ܕͷԸܙΛड͚ΒΕΔ
    • ωΠςΟϒͷView(≠ ϑϨʔϜϫʔΫඪ४ͷView)

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  28. View Slide

  29. GraphQL

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  30. GraphQL is a query language for
    your API
    — h$ps://graphql.org/learn/

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  31. ୯ҰͷΤϯυϙΠϯτʹ
    ಠࣗܗࣜͷΫΤϦʔΛ౤͛ͯ
    ϨεϙϯεΛड͚औΔ

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  32. View Slide

  33. View Slide

  34. graphql.org

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  35. ։ൃͷྲྀΕ

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  36. ։ൃͷྲྀΕ
    1. ϦϙδτϦͱϦϦʔεઓུ
    2. ࡞੒͢Δը໘Λ෼ੳ
    3. ComponentΛ࡞੒
    4. ωΠςΟϒͷը໘ʹ React Na2ve ୯ಠදࣔ͢Δը໘Λ࡞੒
    5. Apollo Ͱ௨৴
    6. ࡞ͬͨ Component Λ࢖ͬͯϦετΛදࣔ͢Δ

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  37. 1. ϦϙδτϦͱϦϦʔεઓུ

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  38. Monorepo ʹ͢Δ
    • ैདྷ͸෼͔Ε͍ͯͨ Android ͱ iOS ͷ
    ϦϙδτϦΛҰͭʹ
    • h,p:/
    /engineering.khanacademy.org/
    posts/react-na;ve-monorepo.html

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  39. Android ͱ iOS ͰผʑʹϦϦʔε͢Δ

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  40. 2. ࡞੒͢Δը໘Λ෼ੳ

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  41. ࡞੒͢Δը໘Λ෼ੳ
    • Ͳ͔͜ΒΛωΠςΟϒɺͲ͔͜ΒΛ
    React Na)ve ʹ͢Δͷ͔Λߟ͑Δ
    • Component ͷࡉ෼Խʹ͍ͭͯߟ͑Δ

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  42. Ͳ͔͜ΒΛωΠςΟϒɺͲ͜
    ͔ΒΛ React Na(ve ʹ͢Δͷ
    ͔Λߟ͑Δ
    • Ϧετ෦෼͕༷ʑͳηϧ͕͍ࠞͬͯ͡
    ͯߴίετ
    • Ϧετ෦෼͸ GraphQL ͱ૬ੑ͕͍͍

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  43. Ͳ͔͜ΒΛωΠςΟϒɺͲ͜
    ͔ΒΛ React Na(ve ʹ͢Δͷ
    ͔Λߟ͑Δ
    • φϏήʔγϣϯ෦෼͸શͯωΠςΟϒ
    ʹ͢Δ΄͏͕ϝϦοτ͕େ͖͍
    • ͋ͱͰઆ໌͠·͢ʂ

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  44. ࡞੒͢Δը໘Λ෼ੳ
    • ߏ੒ཁૉΛ Component ʹࡉ෼Խ

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  45. ࡞੒͢Δը໘Λ෼ੳ
    • ؆୯ʹ֤ View Λ࡞Δ͜ͱ͕Ͱ͖Δ
    • ࠶ར༻Λੵۃతʹૂ͑Δ

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  46. 3. ComponentΛ࡞੒

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  47. ComponentΛ࡞੒
    • ࠷খ୯Ґ͔Β Component Λ࡞Δ
    • Storybook ͰҰͭͣͭ֬ೝ

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  48. Storybook
    • h#ps:/
    /github.com/storybooks/
    storybook
    • UI ίϯϙʔωϯτ୯ମͰಈ͔͢͜ͱͷ
    Ͱ͖Δ؀ڥ
    • ը໘Λ࡞Βͳͯ͘΋ίϯϙʔωϯτ୯
    ҐͰ֬ೝͰ͖Δ
    • View ͷଟ༷ͳঢ়ଶΛ֬ೝͰ͖Δ

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  49. Storybook
    • ༷ʑͳঢ়ଶΛ࣋ͭ View
    • ؆୯ʹՄࢹԽͰ͖Δ

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  51. 4. ωΠςΟϒͷը໘ʹ React Na*ve
    ୯ಠදࣔ͢Δը໘Λ࡞੒

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  52. ωΠςΟϒͷը໘ʹ React Na(ve
    ୯ಠදࣔ͢Δը໘Λ࡞੒
    • React Na)ve ͷ Component Λදࣔ͢Δ Ac)vity Λ༻ҙ͢Δ
    • h4ps:/
    /facebook.github.io/react-na)ve/docs/integra)on-with-
    exis)ng-apps.html
    • ReactRootViewΛ࢖͏

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  53. View Slide

  54. 5. Apollo Ͱ௨৴ͯ͠ɺϦετදࣔ

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  55. Apollo
    Apollo is a complete pla-orm for implemen1ng a graph over your
    data. It includes two run1me libraries, Apollo Server and Apollo
    Client, for building and querying your graph’s API.
    — h$ps://www.apollographql.com/docs/tutorial/
    introduc8on.html#what-is-apollo

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  56. Apollo Ͱ௨৴͢Δ
    ඞཁͳͷ͸
    • apollo schema:download
    • gql(graphql-tag) هड़
    • apollo codegen:generate
    • ͱ

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  57. apollo schema:download
    • αʔό͔ΒεΩʔϚఆٛΛͱͬͯ͘Δ
    • apollo schema:download src/graphql/schema.json
    --endpoint=***

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  58. Query

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  59. View Slide

  60. Fragment

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  61. h"ps:/
    /graphql.org/learn/queries/
    #fragments

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  62. View Slide

  63. apollo codegen:generate
    • apollo codegen:generate --schema=src/graphql/
    schema.json --queries=src/**/*.tsx --
    target=typescript

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  64. View Slide

  65. ௨৴

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  66. View Slide

  67. ϩʔσΟϯάதͷॲཧΛॻ͖͍ͨͳ
    Β

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  68. View Slide

  69. ΤϥʔϋϯυϦϯά͍ͨ͠ͳΒ

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  70. View Slide

  71. Higher Order Component (HOC)
    • Λ࢖͏ʹ͸ ͰғΉඞཁ͕
    ͋Δ
    • ͍͍ͪͪॻ͘ͷ͸໘౗
    • HOC Λ࢖͏

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  72. View Slide

  73. View Slide

  74. 6. ࡞ͬͨ Component Λ࢖ͬͯ
    ϦετΛදࣔ͢Δ

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  75. ࡞ͬͨ Component Λ࢖ͬͯϦετΛදࣔ͢
    Δ

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  76. View Slide

  77. ωΠςΟϒଆͱͷ࿈ܞ

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  78. Na#ve Module

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  79. ωΠςΟϒଆͷॲཧΛ
    React Na(veଆ͔Βݺ΂Δ

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  80. React Na(veʹରԠ͍ͯ͠Δ
    Module͕ͳ͍࣌ʹ࡞Δ

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  81. ྫ͑͹
    • DB΁ͷΞΫηε
    • طʹΞϓϦʹ͋ΔϩδοΫͷྲྀ༻
    • طଘͷωΠςΟϒΞϓϦ෦෼ͱͷ࿈ܞ
    • React Na+veଆ͔ΒAc+vityΛىಈ

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  82. (ྫ)ը໘ભҠ

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  83. React Na(ve Naviga(on౳ͷ
    ϥΠϒϥϦʔΛ࢖͏

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  84. React Na(ve Naviga(on౳ͷ
    ϥΠϒϥϦʔΛ࢖͏
    →ը໘ભҠ͸ωΠςΟϒଆͰ࣮૷ͨ͠

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  85. ͳͥʁ

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  86. ϑϧReact Na(ve
    Ͱ͸ͳ͍͔Β

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  87. ྫ͑͹
    • React Na)veͷը໘͔ΒωΠςΟϒͷը໘ʹભҠ͢Δ
    • ωΠςΟϒͷը໘͔ΒReact Na)veͷը໘ʹભҠ͢Δ
    • ViewPagerͷFragmentͷView͚ͩReact Na)veͩͬͨΓ

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  88. ը໘ભҠ͸શͯωΠςΟϒଆͰ׬݁
    → ࣮૷͕γϯϓϧʹɺReact Na)veଆ͔Β͸
    Na)ve ModuleͷϝιουΛݺͿ

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  89. ModuleΛ࡞੒

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  90. View Slide

  91. View Slide

  92. ύϑΥʔϚϯε

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  93. σόοάϏϧυ͕ॏ͍
    (iOS͸ͦΜͳʹมΘΒͳ͍)

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  94. ϦϦʔεϏϧυͰ͸
    ໰୊ͳ͍

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  95. → ύϑΥʔϚϯενϡʔχϯά͕
    ΍ΓͮΒ͍

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  96. ஌ݟ͓࣋ͪͷํ͍ͨΒ
    ڭ͍͑ͯͩ͘͞

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  97. ςετ

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  98. jest ͷεφοϓγϣοτςετ

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  99. ComponentͷπϦʔ͕ਖ਼͍͔͠Λ
    ͔֬Ί͍ͯΔ

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  100. View Slide

  101. View Slide

  102. View Slide

  103. View Slide

  104. ҙਤ͠ͳ͍มߋΛݕ஌Ͱ͖Δ

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  105. εφοϓγϣοτςετҎ֎͸
    ΍ͬͯͳ͍

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  106. ϩδοΫ͕React Na(veଆʹͳ͍

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  107. ωΠςΟϒଆͰUnit Test

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  108. ೖΕͯΈͯ
    Ͳ͏͔ͩͬͨ

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  109. ѹ౗తͳUIߏங଎౓

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  110. Hot ReloadͰTry & Error͠΍͍͢

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  111. ͦͷଞ
    • Webͱ࿈ܞͯ͠Ϧετදࣔ→ৄࡉը໘Έ͍ͨͳΞϓϦͰ͸࢖͑ͦ͏
    • ҰํͰΧελϜViewΛଟ༻͢ΔΑ͏ͳը໘͕ଟ͍ΞϓϦͷ։ൃʹ͸޲͔ͳ͍
    • ωΠςΟϒଆͰΧελϜViewΛ࡞ͬͯReact Na/veʹͭͳ͛Δͷ͸໘౗
    • React Na/veʹ͋Δίϯϙʔωϯτ͚ͩͰදݱͰ͖Δͱָ
    • ϋΠϒϦουΞϓϦΛݕ౼ͯ͠΋Αͦ͞͏
    • ύϑΥʔϚϯε͸ѱ͘ͳ͍͕νϡʔχϯά͸େมͦ͏
    • σόοάϏϧυͷύϑΥʔϚϯε͕ѱ͘ɺޮՌ͕֬ೝͮ͠Β͍

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  112. ࠔͬͨ͜ͱ

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  113. React Na(ve Ͱ ViewPager ϥΠΫͳ
    ը໘Λ࡞Δͱܹॏʹͳͬͨ

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  114. React Na(ve Ͱ ViewPager
    • h#ps:/
    /github.com/react-na6ve-community/react-na6ve-tab-
    view
    • ૉ๿ʹ΍ΔͱҰ੪ʹશը໘͕ render
    • shouldComponentUpdate੍ޚɺදࣔதϖʔδͷ྆ྡ͚ͩ render
    ͢ΔͳͲɺ࠷దԽํ๏͸͋Δ͕ͦΕͰ΋஗͍
    • Ұ౓ಡΈࠐΈऴΘͬͨը໘͕࠶ͼਅͬനʹͳΔͳͲɺฐ֐͕
    େ͖͍

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  115. React Na(ve Ͱ ViewPager
    • h#ps:/
    /github.com/ptomasroos/react-na6ve-scrollable-tab-view
    • iOS ͩͱ஗͍
    • ͷ௨৴ΛࢭΊΔ͢΂͕ͳ͍
    • ͢͹΍͘εϫΠϓ͢Δͱը໘෼௨৴͞Εଓ͚Δ
    • λϒͷ਺ͰύϑΥʔϚϯε͕ࠨӈ͞ΕΔ

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  116. → ωΠςΟϒͰViewPager +
    FragmentͰ࣮૷͢Δ͜ͱʹͳͬͨ

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  117. Android Studio ͷόʔδϣϯΛ
    ࣗ༝ʹ্͛ΒΕͳ͍

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  118. iOS ͱ Android Ͱ
    Component ʹػೳ͕ࠩ͋Δ

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  119. ScrollView.snapToAlignment

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  120. ScrollView.snapToAlignment
    • AndroidඇରԠ
    • ~ v0.55
    • ΧϧʔηϧͰεφοϓΛ࣮૷͢Δ࣌ʹ࢖͑ͳ͍
    • όʔδϣϯΛ্͍͕͙͛ͨ͢ʹ͸্͛ΒΕͳ͍
    • → εφοϓ͸ఘΊͨ

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  121. WebView.onShouldStartLoadWithRe
    quest

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  122. WebView.onShouldStartLoadWithRequest
    • AndroidඇରԠ
    • WebViewͰભҠ͠Α͏ͱ͍ͯ͠ΔϦϯΫʹରԠ͢ΔωΠςΟϒ
    ͷը໘͕͋Ε͹։͖͍ͨ
    • طʹωΠςΟϒଆʹಉ༷ͷ࣮૷͕͋Δ
    • → ωΠςΟϒͷWebViewΛ࢖͏͜ͱʹͨ͠

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  123. ͨ·ʹωΠςΟϒΫϥογϡ͢Δ
    !

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  124. ·ͱΊ

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  125. ·ͱΊ
    • Monorepoʹ͢Δͱ؅ཧ͠΍͘͢ͳΔ
    • ϦϦʔεPR͸ผʑʹཱͯΔ
    • φϏήʔγϣϯ͸શ෦ωΠςΟϒଆͰ΍Δͱγϯϓϧʹͳͬͯ
    Α͍
    • Storybook΍Hot ReloadΛ༻͍Δͱૉૣ͘։ൃ͕Մೳ

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  126. ·ͱΊ
    • ωΠςΟϒଆͷίʔυͱ࿈ܞ͍ͨ͠৔߹͸Na$ve ModuleΛ࡞Δ
    • ςετ͸·ͣεφοϓγϣοτςετ͔Β
    • ύϑΥʔϚϯενϡʔχϯά͸՝୊
    • React Na$ve͸ۜͷ஄ؙͰ͸ͳ͍
    • ಋೖ͢ΔՕॴΛ͔ͬ͠Γݕ౼͢Δඞཁ͕͋Δ
    • GraphQL͸࠷ߴ

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  127. Enjoy React Na-ve

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  128. !
    ࠾༻৘ใ

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  129. גࣜձࣾ͸ͯͳͰ͸ɺ
    ͱ΋ʹʮ௅ઓʯͰ͖Δ
    ஥ؒΛืू͍ͯ͠·͢

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  130. ͜ΜͳਓΛ୳͍ͯ͠·͢
    • AndroidΞϓϦΛ࡞Γ͍ͨਓ
    • React Na/veͷΞϓϦ৮Γ͍ͨਓ
    • iOSΞϓϦ΋࡞Γ͍ͨਓ
    • αʔόʔαΠυ΋΍Γ͍ͨਓ

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  131. h"p:/
    /hatenacorp.jp/recruit/

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