Scala on Android

on YouTube ↗29m

" summary

Android reaches ~2.5 billion devices but Scala on Android is nearly gone: only about 45 public Scala Android repos out of 77,000 and big apps like Wire migrate to Kotlin. The technical blocker is Java 8 lambdas: Scala 2.12 emits JVM lambdas that Dalvik/ART historically mishandle (Android 8 fixes part of it but compatibility bugs remain), so Gradle/sbt plugins and skelods broke. Working alternatives shown are React Native + Slinky for JS-led cross‑platform apps and GraalVM + Gluon + JavaFX/ScalaFX to AOT-compile native apps; experiments with plugin forks mostly fail, but the two stacks produce runnable apps now.

AI-written summary · about

" chapters (8)

1. 0:00Introduction
2. 3:03Android platform size
3. 8:21Scala on Android history
4. 13:41Current state and challenges
5. 18:18Cross-platform frameworks
6. 22:52GraalVM and Gluon approach
7. 27:45Future of Scala on Android
8. 28:46Conclusion and resources

" related talks

• 19mScala on WireMaciej Gorywoda · Scala.IO 2017
• 46mCreating Native iOS and Android Apps Scala without tearsZahari Dichev · Scala Days Lausanne 2019
• 10mScala vs. Kotlin, friend or foe?Ohad Shai · Scalapeño 2018
• 38mBuilding Android apps in 2022Erik Hellman · Øredev 2022
• 01h 03mKotlin on AndroidSvetlana Isakova · Philly ETE 2015
• 20mState of Kotlin in AndroidFlorina Muntenescu · Kotlin 1.4 Online Event
• 43mKotlin 4 vs. Scala 3Garth Gilmour, Eamonn Boyle · GOTO Oslo 2020
• 58mModern Android DevelopmentKenneth Kousen · Developers Summit 2021