Jetpack Compose Roadmap

Core concepts of declarative UI and basic Compose building blocks

Dive into the essentials of Jetpack Compose, understanding how it revolutionizes Android UI development with declarative paradigms.

• codeDeclarative vs Imperative UI
• settingsCompose Setup and First Composable
• functionsComposable Functions and @Composable
• buildCompose Compiler and Runtime
• previewPreview and Tooling Support
• refreshComposition and Recomposition
• play_arrowPractice: Hello Compose App

Essential Compose components for building user interfaces

Explore foundational UI elements like text, buttons, and inputs to craft intuitive and accessible interfaces.

• text_fieldsText and Typography
• touch_appButtons and Interactive Elements
• imageImages and Icons
• editTextFields and Input Components
• card_membershipCards and Surface Components
• removeDividers and Spacers
• accessibilityComponent Accessibility
• play_arrowPractice: Basic UI Components

Master layout composables and create responsive designs

Learn to structure UIs with rows, columns, and modifiers for adaptive and performant layouts across devices.

• view_columnColumn and Row Basics
• crop_squareBox Layout and Positioning
• format_align_leftArrangement and Alignment
• tuneModifier System Deep Dive
• format_indent_increasePadding, Spacing, and Sizing (no margins in Compose)
• grid_onConstraintLayout in Compose
• phonelinkResponsive Design Patterns
• buildCustom Layout Composables
• speedLayout Performance Considerations
• play_arrowPractice: Complex Layout Design

Handle state effectively in Compose applications

Master state hoisting, derived states, and integration with ViewModels for robust, reactive UIs.

• infoState in Compose Fundamentals
• memoryremember and mutableStateOf
• saverememberSaveable & process-death: SavedStateHandle patterns
• trending_upState Hoisting Patterns
• calculatederivedStateOf and Computed State
• developer_boardViewModel Integration
• sync_altStateFlow/Flow (and when to keep LiveData)
• backupState Restoration and Saving
• layersComplex State Management Patterns
• thumb_upState Management Best Practices
• play_arrowPractice: State-Driven UI

Build efficient scrollable lists and grids

Optimize large datasets with lazy loading, pagination, and sticky headers for smooth scrolling experiences.

• listLazyColumn and LazyRow Basics
• grid_viewLazyVerticalGrid and LazyHorizontalGrid
• vpn_keyList Item Keys and Performance
• sticky_note_2Sticky Headers and Sections
• refreshPull to Refresh Implementation
• pageviewPaging 3 + Lazy lists (load states, separators, refresh)
• dashboardCustom List Layouts
• play_arrowPractice: Advanced List Implementation

Create beautiful and consistent visual designs

Harness Material Design 3 for dynamic colors, typography, and shapes to build cohesive app themes.

• styleMaterial Design 3 in Compose
• color_lensColor Systems and Palettes
• format_sizeTypography and Text Styling
• rounded_cornerShape System and Custom Shapes
• nights_stayDark Theme Implementation
• tuneDynamic Color and Material You
• brushCustom Theme Creation
• previewTheme Testing and Previews
• play_arrowPractice: Custom Theme Design

Implement navigation patterns and screen transitions

Navigate seamlessly between screens with back handling, deep links, and multi-stack support.

• exploreNavigation Component for Compose
• routerNavHost and NavController Setup
• routeRoute Parameters and Arguments
• arrow_backPredictive Back + BackHandler, state restore, and multiple back stacks
• tabBottom Navigation Implementation
• menuDrawer Navigation and Rails
• linkDeep Linking and Navigation
• bug_reportNavigation Testing Strategies
• play_arrowPractice: Multi-Screen Navigation

Create smooth animations and delightful user experiences

Animate state changes, content transitions, and gestures to make your app feel alive and responsive.

• movieAnimation Fundamentals in Compose
• play_circleanimate*AsState Functions
• swap_horizTransition API and States
• visibilityAnimatedVisibility and Enter/Exit
• content_copyAnimatedContent for Content Changes
• buildCustom Animations with Animatable
• gestureGesture-Based Animations
• shareShared Element Transitions
• speedAnimation Performance Tips
• play_arrowPractice: Advanced Animation Showcase

Build reusable custom components and advanced UI patterns

Design slot-based APIs, custom modifiers, and drawing for a scalable component library.

• addCreating Custom Composables
• apiComposable APIs and Parameters
• view_quiltSlot APIs and Content Composables
• tuneCustom Modifier APIs (+ Modifier.Node in modern Compose)
• brushCanvas and Custom Drawing
• library_booksComponent Libraries and Design Systems
• bug_reportComposable Testing Strategies
• play_arrowPractice: Custom Component Library

Handle touch gestures, drag and drop, and complex interactions

Detect and respond to user inputs with precision, including nested scrolling and multi-touch support.

• mousePointer Input and Touch Events
• drag_indicatorDrag and Drop Implementation
• arrow_downwardNested scroll & BringIntoView: coordinating scroll behaviors
• swipeSwipe Gestures and Dismissal
• zoom_inMulti-touch and Zoom Gestures
• gestureCustom Gesture Detection
• accessibilityAccessibility and Gesture Support
• play_arrowPractice: Gesture-Rich Interface

Integrate Compose with existing View system and third-party libraries

Bridge Compose with legacy Views, fragments, and external SDKs for hybrid app migrations.

• view_quiltCompose in View-based Apps
• androidView in Compose with AndroidView
• crop_dinFragment Integration Patterns
• languageWebView and Maps Integration
• extensionThird-party Library Adaptation
• import_exportMigration Strategies
• play_arrowPractice: Hybrid App Development

Comprehensive testing strategies for Compose applications

Write reliable tests for semantics, interactions, and screenshots using Compose's testing toolkit.

• infoCompose Testing Fundamentals
• ruleComposeTestRule and Test Setup
• searchFinding and Interacting with Nodes
• check_circleAssertions and Verifications
• hourglass_emptySemantics matchers, idling, and flake-proof waits (runOnIdle, waitUntil)
• swap_horizTesting State and Interactions
• photo_cameraScreenshot Testing
• thumb_upTesting Best Practices
• play_arrowPractice: Comprehensive Test Suite

Optimize Compose performance and handle complex scenarios

Profile recompositions, ensure stability, and tune memory for high-performance apps.

• infoCompose Performance Fundamentals
• refreshRecomposition Optimization: stable data classes, equals(), derivedStateOf
• securityStability and Immutability
• tuneLazyList Performance Tuning
• build@Stable/@Immutable, snapshotFlow pitfalls, and tracing recompositions (Layout Inspector & compiler metrics)
• memoryMemory Management in Compose
• analyticsPerformance Profiling Tools
• warningCommon Performance Pitfalls
• play_arrowPractice: Performance Optimization

Explore advanced Compose features and establish best practices

Capstone with multiplatform, accessibility, i18n, and a full app project to solidify expertise.

• webCompose Multiplatform Overview
• account_treeArchitecture Patterns with Compose
• accessibilityAccessibility in Compose
• translateInternationalization and Localization
• bar_chartCompose Compiler Metrics
• trending_upFuture of Compose Development
• play_arrowFinal Project: Complete Compose App

Formal properties and why Compose can re-run code safely

Unpack the idempotent, pure nature of composables and their restartable execution model.

• infoComposable function properties: idempotent, side-effect-free, restartable
• callCalling context & colored functions; similarities with suspend
• savePositional memoization & why parameter order matters
• editExercise: Rewrite a side-effecting composable into a pure one

What the Kotlin compiler plugin generates and how stability is inferred

Explore IR lowering, stability checks, and memoization in the Compose Kotlin compiler plugin.

• noteAnnotations, IR lowering, and injecting the Composer
• tuneStability inference, default params, and control-flow groups
• saveLambda memoization & comparison propagation
• infoLive literals, version checks, klib/decoy generation (overview)
• bug_reportExercise: Use compiler metrics to spot unnecessary recompositions

How the Composer builds, updates, and draws the UI tree

Delve into slot tables, appliers, and measurement phases that power Compose's runtime.

• table_chartSlot table, groups, reads/writes; recompose scopes
• developer_boardAppliers, LayoutNode lifecycle, and modifier chains
• straightenMeasuring policies, intrinsic measurements, constraints
• accessibilitySemantics: merged vs unmerged trees & accessibility signals
• bug_reportExercise: Instrument a custom Layout + measure pass logging

StateObjects/Records, snapshots, and conflict merging

Understand MVCC for thread-safe state observation and conflict resolution in snapshots.

• infoWhat snapshot state is; MVCC model & snapshot tree
• syncObserving reads/writes, nested snapshots, threading
• merge_typeChange propagation & merging write conflicts
• bug_reportExercise: Diagnose a missed snapshot read in a list screen

Skippability, keys, stability, and concurrent recomposition

Optimize skips with keys and stability to minimize unnecessary UI updates.

• skip_nextSkips via stability & equality; when comparison fails
• vpn_keyKeys, derivedStateOf, and minimizing invalidations
• syncRecomposer & concurrent recomposition (pitfalls & patterns)
• bug_reportExercise: Make a dashboard skippable without sacrificing correctness

SideEffect, DisposableEffect, LaunchedEffect, rememberUpdatedState-what actually happens

Key effects correctly to avoid leaks and stale closures in composable lifecycles.

• hourglass_emptyNon-suspended vs suspended effects; lifecycle semantics
• vpn_keyKeying effects correctly; avoiding stale closures
• extensionAdapters for 3rd-party libs (e.g., listeners, callbacks)
• editExercise: Refactor side-effects out of composables safely