Building Android apps in 2022

on YouTube ↗38m

" summary

Concrete takeaways: Kotlin becomes the default—suspend Retrofit calls replace RxJava so threading and disposables vanish and lifecycleScope auto-cancels on activity stop; Jetpack Compose previews and compose UI tests let single components be rendered and clicked locally and in CI; Kotlin multiplatform shares networking/serialization (Ktor, SQL Delight, Apollo) across Android and iOS; dependency injection choices are Hilt or Koin; GitHub actions emulator runner runs UI tests in CI so end‑to‑end builds and tests actually work.

AI-written summary · about

" chapters (14)

1. 0:00Start
2. 3:42Kotlin data classes
3. 5:26Sealed classes
4. 7:33Coroutines
5. 12:38Kotlin Multiplatform Mobile
6. 14:57Jetpack Compose
7. 21:30Side effects
8. 23:28Animations
9. 24:31animate*AsState
10. 25:06Transitions
11. 28:20Hilt
12. 30:53Architecture
13. 33:43Testing
14. 35:51GitHub Actions for Android

" related talks

• 58mModern Android DevelopmentKenneth Kousen · Developers Summit 2021
• 51mModern Android DevelopmentChet Haase · 360|AnDev 2020
• 46mModern Android DevelopmentRomain Guy, Chet Haase · Chicago Roboto 2020
• 43mAndroid Jetpack ❤️ Kotlin: On the road to more wholesome APIsWojtek Kaliciński · KotlinConf 2019
• 52mModern Android DevelopmentRomain Guy, Chet Haase · droidcon Italy 2020
• 44mThe Future of Android, Kotlin, and EverythingKevin Galligan · droidcon New York 2024
• 45mFor Beginners and Career Changers: Android App Development Today and Key Points in 40 MinutesShinobu Okano · DroidKaigi 2025
• 41mKeynote - Modern Android DevelopmentChet Haase · Android Summit 2020