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Kotlin Multiplatform

Avatar for Kevin Galligan Kevin Galligan
August 16, 2018
Technology
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210

Kotlin Multiplatform

Kotlin Multiplatform iOS development
Avatar for Kevin Galligan

Kevin Galligan

August 16, 2018
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Transcript

  1. Kotlin Multiplatform

  2. @allymcleangames

  3. Hello

  4. • Kevin Galligan, President of Touchlab • I’ve been coding

    Android since before the G1, run a mobile dev shop, and since late 2015 have been largely focused on mobile code sharing • I’m going to tell you about Kotlin Multiplatform
  5. None

  6. Kotlin?

  7. • Static “Better Java” by Jetbrains • 2011 - Announced

    • 2016 - v1.0 • 2017 - Google++
  8. None

  9. JVM JS Native

  10. JVM JS Native Common

  11. None

  12. Native

  13. Native Not Native

  14. Native Not Native - Me(h)tal Not Native - Rock

  15. None

  16. –Lemmy Kilmister “It’s Little Richard’s fault, all of it. Little

    Richard is directly responsible for Motorhead.”
  17. None
  18. None
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  27. • Shared, testable architecture (not UI) • Smooth interop, optional

    code sharing • Active community • Good tools • Bonus! One platform 100% native K O T L I N M U L T I P L A T F O R M
  28. None
  29. None
  30. None

  31. I Can’t See The Future

  32. safe bets

  33. None
  34. None
  35. None

  36. JVM JS Native Common

  37. JVM JS Native Common

  38. JVM Native Common

  39. JVM Native Common Android Stuff Framework iOS Stuff

  40. Common

  41. Common mainThread?

  42. None
  43. None
  44. None
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  46. None
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  48. None

  49. Typealias

  50. None
  51. None

  52. Expected a method, was actually there!

  53. None
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  62. Status

  63. Kotlin/Native at .9

  64. Tooling

  65. Speed

  66. Libraries

  67. None
  68. None
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  70. None
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  81. • 5 React Native • 3 Flutter • 4 Kotlin

    Multiplatform • ~20% of the content! Cross Platform Droidcon

  82. • Serialization • Ktor • I/O • Coroutines Jetbrains

  83. Threads

  84. State

  85. all the code you’ve ever written not frozen frozen

  86. all the code you’ve ever written not frozen frozen

  87. Frozen is • A special runtime state • Like super-immutable

    • Only way to share data between threads

  88. Data OtherMutable OtherShared Stuff MoreStuff

  89. Data OtherMutable OtherShared Stuff MoreStuff

  90. None
  91. None
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  97. It works!

  98. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7

    v0.8 v0.8.2

  99. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7

    v0.8 v0.8.2 v0.9 Coroutines (and other libs)

  100. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7

    v0.8 v0.8.2 v0.9 Coroutines (and other libs)

  101. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7

    v0.8 v0.8.2 v0.9 Coroutines (and other libs)

  102. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7

    v0.8 v0.8.2 v0.9 Coroutines (and other libs) v1

  103. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7

    v0.8 v0.8.2 v0.9 Coroutines (and other libs) v1 Major reactive lib Date/other libs Improved tooling Faster builds

  104. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7

    v0.8 v0.8.2 v0.9 Coroutines (and other libs) v1 Major reactive lib Date/other libs Improved tooling Faster builds “Mainstream” Big apps Wasm threads

  105. 2010 ORMLite ActiveAndroid

  106. 2010 ORMLite ActiveAndroid :P

  107. 2010 ORMLite ActiveAndroid :P 2018 ORMLite SQLBright SQLDelight Storeio Room

    Cupboard SugarORM GreenDAO DBFlow Squeeky Ollie Requery Squidb

  108. 2018 Knarch.db SQLDelight 2025? MPSettings Jetbrains stuff

  109. None

  110. kevin@touchlab.co @kpgalligan

  111. kevin@touchlab.co @kpgalligan Discount code: AndroidSummit