The Android Developer trek
Kotlin, Jetpack Compose, architecture patterns, local storage, networking, testing, and publishing to Google Play. The complete path to professional Android development.
Kotlin fundamentals
Android is Kotlin-first. Learn the language deeply before touching the Android SDK.
Android fundamentals
Activities, the manifest, resources, and how Android apps are structured and launched.
Jetpack Compose
Modern declarative Android UI. Composables, state, modifiers, and the Compose mental model.
Navigation & app architecture
Compose Navigation, the MVVM pattern, ViewModel, and structuring an Android app that scales.
Data persistence
Room database, DataStore, and choosing the right storage mechanism for your use case.
Networking & APIs
Retrofit, OkHttp, Kotlin serialization, and building robust network layers with error handling and caching.
Background work & notifications
WorkManager for deferrable background tasks, coroutines for async, and a notification system users won't rage-quit.
Testing Android apps
Unit tests, integration tests, UI tests with Espresso and Compose, and the test pyramid for Android.
Performance & profiling
Android Profiler, jank elimination, memory management, and building apps that feel fast on mid-range devices.
Publishing & release management
Signing, flavors, build variants, and the Play Store submission process for production apps.
Advanced topics
Kotlin Multiplatform, custom Compose animations, accessibility, and the advanced APIs that differentiate senior Android developers.
Capstone — ship a production app
Design, build, test, and publish a polished Android app that solves a real problem.
Trek complete. What's next?
You've walked the full roadmap. Now ship the capstone, write about it, and share the path with the next engineer who needs it.