Convert Java file to Kotlin file ⌥⇧⌘K

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 • kotlin@kawaii.com

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