Kotlin Multiplatform Development

Unlock the true power of Kotlin to write once and run everywhere. In Kotlin Multiplatform Development, veteran software architect Stokes J. Harrett shows you step-by-step how to share business logic across Android, iOS, Web, and Desktop—without sacrificing native performance or user experience.

Why This Book Matters
• Maximize Code Reuse: Master Kotlin Multiplatform (KMP) to consolidate networking, data models, and business rules into a single, maintainable codebase.
• Native-Level UIs: Leverage Jetpack Compose Multiplatform for Android and Desktop, Swift/SwiftUI for iOS, and Compose for Web—delivering truly native interfaces on every platform.
• Robust Toolchain: Integrate industry-leading libraries—Ktor for networking, SQLDelight for local storage, Koin for dependency injection, and kotlinx.serialization for seamless data parsing.

What You’ll Build

• Cross-Platform Mobile Apps: Combine shared Kotlin logic with Android Studio and Xcode tooling.

• Responsive Web Interfaces: Utilize Kotlin/JS and Compose for Web to develop interactive browser applications.

• Desktop Applications: Create JVM-based desktop apps using Compose for Desktop and native packaging.

• Full-Stack Sync: Implement offline-first data caching and cloud synchronization with Ktor backends.

Key Features & Benefits

• Clean Architecture & Modular Design: Organize code into domain, data, and presentation layers for maximum testability and scalability.

• Expect/Actual Abstractions: Harness Kotlin’s expect/actual mechanism to bridge platform-specific APIs—camera, file I/O, notifications—while keeping shared code platform-agnostic.

• Comprehensive Testing Strategy: Build unit and integration tests that run across JVM, Native, and JS targets using kotlin.test, MockK, and Ktor’s MockEngine.

• CI/CD and Publishing: Automate builds, tests, and artifact publishing to Maven Central and CocoaPods with Gradle and GitHub Actions.

About the Author
Stokes J. Harrett is a seasoned Kotlin engineer and published author with over a decade of experience building multi-device applications for top-tier enterprises. His expertise spans Android, iOS, web, and backend systems, making him uniquely qualified to guide you through the complexities of Kotlin Multiplatform development.

Who Should Read This Book

• Android & iOS Developers eager to share business logic without rewriting.

• Full-Stack Engineers looking to unify client-server code in Kotlin.

• Team Leads & Architects designing scalable, maintainable codebases for multiple platforms.

• Independent Developers & Startups aiming for rapid time-to-market and reduced maintenance overhead.

Perception of Time
Whether you’re under tight deadlines or planning a long-term project, this book’s concise, example-driven chapters let you absorb essential KMP skills in days, not weeks. Strategic sidebars and real-world case studies accelerate your learning curve, turning complex cross-platform scenarios into clear, actionable code.