Top 30 Kotlin Interview Questions — From Basics to Coroutines
The 30 most commonly asked Kotlin interview questions with clear answers and code examples. Covers basics (val/var, null safety, string interpolation)...
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ANDROID 16 IS QUIET — BUT ONE OF THE MOST IMPORTANT RELEASES FOR DEVELOPERS
Android 16 (API level 36) is less about new UI features and more about making app behavior predictable and reliable. It introduces refinements in navi...
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SharedPreferences vs DataStore — Why DataStore Wins and How to Migrate Step by Step
SharedPreferences blocks the main thread, has no type safety, and silently fails. DataStore fixes everything with Flow, suspend functions, and typed k...
Nested Navigation Graphs — Group Screens, Pop Flows, Share ViewModels, and Multi-Module Navigation
Nested graphs group related screens into sub-graphs for organization, flow management, and shared ViewModels. This step-by-step guide covers the menta...
Android Deep Links and App Links — From Custom Schemes to Verified HTTPS, Step by Step
Deep links open specific screens from external URLs. App Links do it without the "Open with..." dialog. This step-by-step guide covers the mental mode...
Compose Navigation — Step-by-Step Guide from Zero to Production
Compose Navigation uses Kotlin instead of XML. This step-by-step guide builds from the mental model (stack of cards) through NavController, NavHost, r...
Android Navigation Component
The Navigation Component replaces manual FragmentTransaction with a declarative graph, type-safe args, and managed back stack. This guide covers nav_g...
Multi-Module Architecture in Android
Multi-module splits your app into focused modules with enforced boundaries. This guide covers module types (app, feature, core), the dependency graph ...
MVI Architecture in Android
MVI enforces unidirectional data flow with a single state object, sealed intents, and a pure reducer. This guide covers the MVI cycle, MVVM vs MVI com...
Clean Architecture in Android
Clean Architecture divides apps into Presentation, Domain, and Data layers with inward dependencies. This guide covers the dependency rule, Domain (pu...
Android Repository Pattern
The Repository layer sits between ViewModel and data sources, exposing a clean API while hiding data origins. This guide explains single source of tru...
LiveData vs StateFlow vs SharedFlow
Should you use LiveData, StateFlow, or SharedFlow? This guide gives a definitive answer with a complete comparison table (15 properties), the same Vie...
MVVM Architecture in Android
MVVM is the recommended architecture for Android — Google's guide is built on it. This guide covers all three layers (View, ViewModel, Model) wi...
Compose Performance
Compose is fast by default — but easy to make slow accidentally. This guide covers how smart recomposition and skipping work, stable vs unstable...
