State of Kotlin in Android
summary
Kotlin adoption on Android shows concrete wins: 20% fewer crashes in Kotlin-using top apps, 70% of the top 1,000 apps contain Kotlin, and 60% of Android Pro developers report Kotlin in their codebases. Google runs over two million lines of Kotlin internally, ships Kotlin-first libraries (Paging 3, Jetpack Compose alpha), recommends coroutines for async, introduces KSP with ~30–40% faster compilation versus KAPT, and R8 now preserves Kotlin metadata.
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chapters (12)
- 0:00Why Android loves Kotlin
- 1:11Google's support for Kotlin
- 3:07New Kotlin features & tools
- 5:28Jetpack Compose & Internal Use
- 6:42Kotlin 1.4 improvements
- 8:29Boosting build performance
- 9:25KSP and explicit API mode
- 11:19Coroutines for async tasks
- 13:00Coroutines in Android
- 14:11Coroutines and Jetpack
- 16:37DataStore and learning
- 18:47Conclusion








