Building a scalable, modularized, testable app from scratch

on YouTube ↗22m

" summary

Builds the Now in Android app’s ForYou feature end-to-end: a bookmark-capable news feed implemented with Kotlin flows and StateFlow, local storage via Jetpack DataStore, repositories combining network and local data, and a ViewModel that combines streams with combine to produce UI state. UI uses Jetpack Compose and Material3 components, modularized into feature/core modules with convention plugins and a Gradle version catalog. Tests include unit tests with a test dispatcher and an instrumented Compose UI test. Source: goo.gle/3XTxMIR.

AI-written summary · about

" chapters (12)

1. 0:00Introduction
2. 1:12Architecture overview
3. 2:47Data layer
4. 5:03UI layer overview
5. 5:26Creating a state holder
6. 8:50Creating a screen
7. 11:34Modularization
8. 14:37Testing
9. 17:36Creating an instrumented test
10. 18:27Material Design
11. 20:03Material component customization
12. 20:43Summary

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