LeeYoonSam

by LeeYoonSam

Build declarative UI with Jetpack Compose including composables, state management, recomposition, and Material3 components. Use when creating moder...

by LeeYoonSam

Create MVVM architecture pattern with ViewModel, StateFlow, and Unidirectional Data Flow for Android. Use when implementing UI logic and state mana...

by LeeYoonSam

Conventional commit format specification with validation and automation for Android projects

by LeeYoonSam

Type-safe JSON serialization with Kotlin Serialization library. Use when you need compile-time safety, multiplatform support, and modern Kotlin fea...

by LeeYoonSam

Split large features into logical, atomic commits for better code review and git history

by LeeYoonSam

Git workflow optimized for SPEC-First Android development with requirement traceability

by LeeYoonSam

Render Adobe After Effects animations natively on Android with Lottie. Use for high-quality animations, loading indicators, and onboarding experien...

by LeeYoonSam

Mocking framework for Kotlin with concise DSL, coroutine support, and powerful verification. Use for unit testing ViewModels, Repositories, and Use...

by LeeYoonSam

Implement Clean Architecture with three layers (presentation, domain, data) for Android apps. Use when structuring a new feature or refactoring cod...

by LeeYoonSam

Extensible logging library with customizable Tree implementations and automatic tagging. Use for structured logging in Debug/Release builds with di...

by LeeYoonSam

Small testing library for Kotlin Flows with awaitItem(), awaitComplete(), and awaitError(). Use when testing Flow emissions in ViewModels and Repos...

by LeeYoonSam

JSON parsing with Moshi library, including custom adapters and Retrofit integration. Use when you need type-safe, efficient JSON serialization with...

by LeeYoonSam

Configure Retrofit for REST API calls with OkHttp, Gson/Moshi, Coroutines, and error handling. Use when implementing network data sources and API i...

by LeeYoonSam

Create atomic commits with conventional commit format and SPEC traceability for Android projects

by LeeYoonSam

Initialize new Android project with modern build configuration using Gradle Kotlin DSL, version catalogs, and recommended project structure. Use wh...

by LeeYoonSam

Implement DataStore for preferences and simple key-value storage using Coroutines. Use when replacing SharedPreferences or storing app settings.

by LeeYoonSam

Create local database with Room including entities, DAOs, and database setup with migrations. Use when implementing local data persistence with typ...

by LeeYoonSam

Configure dependency injection with Hilt including modules, scopes, and ViewModelFactory. Use when setting up or adding DI to Android app for compi...

by LeeYoonSam

Implement repository pattern with single source of truth for data access. Use when abstracting data sources (network, database, cache) in the data ...

by LeeYoonSam

Build UI with XML layouts, ViewBinding, and View components for legacy or gradual migration projects. Use when working with existing XML-based apps.

by LeeYoonSam

Configure dependency injection with Koin using Kotlin DSL for lightweight runtime DI. Use when preferring simpler setup over compile-time validation.

by LeeYoonSam

Implement Navigation 3 for Jetpack Compose with type-safe routes, nested navigation, and deep linking. Use when handling screen navigation in Compo...

by LeeYoonSam

Build efficient lists with LazyColumn (Compose) or RecyclerView (Views) including item click handling. Use when displaying scrollable lists of data.

by LeeYoonSam

Create forms with validation in Jetpack Compose using state and validation logic. Use when building input forms with real-time validation.

by LeeYoonSam

Create unit tests for ViewModels and business logic with JUnit, MockK, and Coroutine testing. Use when testing logic without Android dependencies.

by LeeYoonSam

Implement Material Design 3 components for consistent UI across Android apps. Use when adding buttons, cards, dialogs, and other standard UI elements.

by LeeYoonSam

Create Material3 theming for Jetpack Compose with custom colors, typography, shapes, and dynamic theming. Use when implementing design system or br...

by LeeYoonSam

Implement pagination with Paging 3 library for efficient large dataset loading. Use when displaying lists with network or database pagination.

by LeeYoonSam

Write UI tests for Jetpack Compose using ComposeTestRule and semantics. Use when testing Compose screens, user interactions, and state changes.

by LeeYoonSam

Schedule background work with WorkManager for deferrable tasks. Use when implementing periodic sync, uploads, or tasks that must run even if app ex...

by LeeYoonSam

Implement Kotlin Coroutines for asynchronous operations with proper scope and dispatcher management. Use when handling network calls, database oper...

by LeeYoonSam

Handle runtime permissions for Android 13+ with permission requests and rationale. Use when implementing features requiring dangerous permissions.

by LeeYoonSam

Manage UI state with StateFlow and SharedFlow in ViewModels. Use when exposing observable state from ViewModel to UI with Coroutines.

by LeeYoonSam

Configure Gradle build with Kotlin DSL including build types, flavors, and dependencies. Use when setting up project build configuration.

by LeeYoonSam

Load and display images with Coil (Compose) or Glide including caching and transformations. Use when displaying remote or local images efficiently.

by LeeYoonSam

Handle one-time UI events like navigation or toasts using Channels or SharedFlow. Use when triggering actions that shouldn't repeat on recomposition.