Learn JETPACK-COMPOSE with Real Code Examples
Updated Nov 23, 2025
Architecture
Declarative UI with Composables
State-driven rendering and unidirectional data flow
Integration with ViewModel and architecture components
Composable functions can be nested and reused
Reactive updates through StateFlow, LiveData, or mutable state
Rendering Model
Composables render UI declaratively
State changes trigger recomposition
Layouts managed via Column, Row, Box, LazyColumn
Modifiers control styling and layout
Animations and gestures applied declaratively
Architectural Patterns
Unidirectional data flow
State management with remember and ViewModel
Composable function hierarchy
Integration with Jetpack libraries
Modular and reusable UI design
Real World Architectures
Enterprise Android apps
Social media and content apps
Dynamic dashboard applications
Shopping and e-commerce apps
Apps with animations and gesture interactions
Design Principles
Declarative UI
State-driven rendering
Unidirectional data flow
Integration with Kotlin and Jetpack
Modular and reusable UI components
Scalability Guide
Modularize UI via composable functions
Use ViewModel for screen-level state
Lazy-load heavy lists and UI elements
Reuse composables across screens
Maintain consistent theming and styling
Migration Guide
Replace XML layouts with composables
Refactor Activity/Fragment UI logic into composables
Integrate ViewModel and StateFlow for state
Apply Material3 theming
Test accessibility and recomposition behavior