Convert Java file to Kotlin file ⌥⇧⌘K

Kotlin一行も書かずKotlin率上げられる方法

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
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