All the ways to check UI variations in Android apps

on YouTube ↗41m

" summary

Shows practical methods and tools to verify Android app UI variations: Jetpack Compose Preview (multi‑preview templates and custom devices), Android Studio UI Check Mode for color‑contrast/visual lint, and emulator techniques (ADB wm size/density, resizable emulator API 34+). Also covers device settings shortcuts for dark mode and font scale, and automated testing helpers: DeviceConfigurationOverride (Compose 1.7+), Window Testing Library for foldables, and State Restoration Tester; notes font scale has 7 steps, density 6 categories, and some emulator size/density combinations are experimental.

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" chapters (7)

1. 0:00Introduction
2. 1:06Environment variation factors
3. 8:53Compose preview checks
4. 18:12Real device checks
5. 27:46Automated UI variation tests
6. 39:41Summary and tools
7. 40:01Q&A

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