Hands-on Android and Flutter tutorials from building real production apps. Covering Kotlin, Jetpack Compose, MVVM, Room, Coroutines, Riverpod, and more — with code you can actually use.
Skip the Activity recreate hack. Use Android 13's per-app language API with an AppCompat backport — switch languages at runtime in Compose without losing state.
I've built production screens with all four layout types. Row, Column, and Box handle 90% of cases — but knowing when to reach for ConstraintLayout saves you from nested layout nightmares.
A practical guide to Jetpack Navigation 3 covering type-safe routes, bottom navigation with multiple back stacks, deep link handling, shared ViewModels, and step-by-step migration from Navigation 2.
User adds item to cart from Search screen. Cart updates. User goes back. Button still shows old state. Here's how I fixed state sync across multiple Riverpod providers without turning the codebase into spaghetti.
The final piece: BaseApiService and repository pattern. Go from scattered try-catches to clean, type-safe API calls. Complete flow diagram and production checklist included.
Automatic token refresh that doesn't fire 5 times when 5 requests fail. Here's how to handle auth properly with secure storage, interceptors, and race condition prevention.