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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)...
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...
Latest Posts
Compose ConstraintLayout
ConstraintLayout in Compose is a power tool for complex interdependent layouts — not a default choice. This guide covers setup, createRef/create...
Compose Layouts
Column arranges vertically, Row horizontally, Box stacks, LazyColumn handles lists. This guide covers every layout composable with precise keyword ide...
Compose State Management
State drives Compose — when state changes, UI updates automatically. This guide covers mutableStateOf and optimised variants, remember vs rememb...
Cold vs Hot Streams in Kotlin
Cold means nothing runs until you collect. Hot means values exist independently of collectors. This guide gives you the complete mental model in one p...
Jetpack Compose Basics
Jetpack Compose is Android's declarative UI toolkit — functions replace XML, state triggers automatic re-rendering. This guide covers composable...
Android ViewModel
ViewModel survives rotation — but how? This guide covers the internals (ViewModelStore, ViewModelProvider, NonConfigurationInstance), ViewModel ...
Android Launch Modes & Back Stack
Launch modes control how Activities are created and placed in the back stack. This guide covers all five launch modes with visual back stack diagrams,...
Android ViewBinding vs DataBinding
Both solve findViewById crashes, but they're very different. ViewBinding is lightweight with type-safe View access. DataBinding lets you bind data dir...
Android Custom Views
When built-in Views aren't enough, build your own. This guide covers three approaches (extend, compound, fully custom), the @JvmOverloads constructor ...
Android Material Design Components
Material Components give you production-quality, themed widgets out of the box. This guide covers setup with Material3 theme, TopAppBar with collapsin...
Android ConstraintLayout
ConstraintLayout is the most powerful and recommended layout in Android — flat hierarchy, single measure pass, no nesting needed. This guide cov...
Android RecyclerView
RecyclerView is the most important UI component in Android. This guide covers why recycling matters, complete setup with ListAdapter and DiffUtil, Vie...