kotlin

Guide Kotlin development with idiomatic patterns, coroutines, flows, and testing.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/Wakewell-Sleep-Solutions/claude-skills-ecosystem --skill kotlin-wakewell-sleep-solutions
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: kotlin
Source: https://github.com/Wakewell-Sleep-Solutions/claude-skills-ecosystem/tree/main/kotlin
Command: npx skills add https://github.com/Wakewell-Sleep-Solutions/claude-skills-ecosystem --skill kotlin-wakewell-sleep-solutions

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides a comprehensive Kotlin development reference covering idiomatic patterns, coroutines, flows, testing (Kotest/MockK), Compose Multiplatform UI, and Android Clean Architecture to streamline Kotlin work across JVM, Android, and multiplatform projects.

Core Features & Use Cases

  • Idiomatic Kotlin patterns (null safety, immutability, extension functions)
  • Coroutine and Flow best practices, UI state management, and testing with Kotest/MockK
  • Multi-platform Compose UI patterns and Android architecture organization
  • Use Case examples and Gradle DSL guidance for Kotlin projects

Quick Start

Install and configure a Kotlin project following the idioms and patterns described above to begin writing idiomatic Kotlin code today.

Frequently Asked Questions about kotlin

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I write idiomatic Kotlin coroutines and flows for Android UI state management?

Idiomatic Kotlin coroutines and flows manage Android UI state by applying best practices for asynchronous data streams, ensuring structured concurrency and proper lifecycle handling. Testing relies on Kotest and MockK to validate flow emissions and state transitions.

What is the best way to structure a Kotlin Multiplatform project using Clean Architecture?

Kotlin Multiplatform Clean Architecture organizes projects into modular layers, separating domain logic from platform-specific implementations. This enforces immutability and null safety while sharing business logic across JVM and Android targets using Gradle Kotlin DSL.

Does this Kotlin guide cover Compose Multiplatform UI patterns and testing?

Yes, the guide covers Compose Multiplatform UI patterns and testing, providing examples for building cross-platform UI components and validating behavior using Kotest and MockK for JVM and Android targets.

How do I set up Gradle Kotlin DSL for a modular Kotlin Multiplatform architecture?

Setting up Gradle Kotlin DSL for modular Kotlin Multiplatform architecture involves configuring shared and platform-specific modules to enforce best practices. This requires familiarity with Kotlin language features and multiplatform project setup to manage dependencies.

Can I use extension functions and null safety patterns across JVM and Android Kotlin targets?

Yes, extension functions and null safety patterns apply across JVM and Android Kotlin targets to ensure immutability and idiomatic code. These patterns are fundamental to the guide's approach to streamlining Kotlin development in multiplatform projects.

Why should I use Kotest and MockK for testing Kotlin coroutines and flows?

Kotest and MockK test Kotlin coroutines and flows by providing specialized frameworks for validating asynchronous operations and UI state management. They enforce best practices in multiplatform and Android Clean Architecture environments through structured testing patterns.