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Convert Java file to Kotlin file ⌥⇧⌘K

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May 30, 2018
Technology
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Convert Java file to Kotlin file ⌥⇧⌘K

Kotlin一行も書かずKotlin率上げられる方法

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Panini

May 30, 2018
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Transcript

  1. Convert Java file to Kotlin file ⌥⇧⌘K Kotlin愛好会 #1

  2. About Me • Matthew Vern / Panini • Twitter: @callipan

    Github: panpanini • Android Engineer • Kotlin可愛い

  3. About Me • Matthew Vern / Panini • Twitter: @callipan

    Github: panpanini • Android Engineer • Kotlin可愛い • [email protected]

  4. How I started Kotlin • Android Java & iOS Objective-C

    • Swift announced • Android Swift • First Kotlin: M13? (~09/2015) • Clone sample project

  5. How I started Kotlin

  6. How I started Kotlin Problems: • I don’t understand the

    language

  7. How I started Kotlin Problems: • I don’t understand the

    language • I don’t understand the intention of the code
  8. None

  9. Convert Java file to Kotlin file • Automatic conversion •

    About 90% effective • Easier than writing by hand

  10. Demo

  11. Summary • Data classes are nice • Lateinit is useful

    • Lazy is useful Kotlin-like writing style: • Pass functions instead of Single Abstract Method Interfaces

  12. Summary • MokuMokuNotes_Android → • Quest based learning tool for

    writing a basic Android app in Kotlin