Hello Worlds: A full-stack demo in Multiplatform Kotlin

Transcript

1. Hello Worlds A full-stack demo in Multiplatform Kotlin Russell Wolf 11/9/19
2. Background
3. Kotlin is ... • Android • Server-side JVM • JS (frontend or node) • Native (C interop) • iOS (Obj-C interop)
4. Multiplatform Kotlin • Compile common code to multiple targets • JVM, JS, Android, Desktop, iOS, Embedded, WASM • Use platform-specific code to access platform APIs
5. Multiplatform Hello World • https://github.com/russhwolf/ multiplatform-hello • Android, iOS, Server • ktor, serialization, coroutines
6. Hello Common
 Android
 iOS
 JVM
 Swift
7. Hello Shared Common
 Android
 iOS
 JVM
 Swift
8. Hello Shared Server Common
 Android
 iOS
 JVM
 Swift
9. Hello Mobile Shared Shared Server Common
 Android
 iOS
 JVM
 Swift
10. Hello Mobile Shared Android App iOS App Shared Server Common
 Android
 iOS
 JVM
 Swift
11. Code time!
12. Lessons • Shared models between frontend and backend • Shared web calls between mobile clients • Kotlin Everywhere!
13. Thanks! • Questions? • @RussHWolf ( or )
 • https://github.com/russhwolf/multiplatform-hello
 • https://kotlinlang.org/docs/reference/multiplatform.html • https://kotlinlang.org/docs/reference/building-mpp-with- gradle.html • https://play.kotlinlang.org/hands-on/overview