The 2nd edition of Manifest Android Interview was released on Jun 18th, 2026, incorporating a wave of recent changes. In particular, following the Kotlin 2.4.0 and 'Compose-first' announcement, it's reduced the coverage of View/XML and substantially expanded the content on Jetpack Compose.

Manifest Android Interview presents practical challenges framed as questions and offers a structured roadmap for learning and refreshing Android and Jetpack Compose knowledge. It’s designed to benefit developers at every level, from juniors building a foundation to seniors exploring internal APIs and advanced concepts.

The content spans the core Android framework, UI architecture, Jetpack libraries, and business logic, while also giving significant attention to Jetpack Compose, from fundamentals and runtime behavior to UI composition and design practices. This balance ensures that you strengthen your knowledge of both classic Android and modern declarative development.

Every question is followed by a step-by-step walkthrough that not only explains how to solve it but also explores why the solution works. To simulate real hiring conditions, many sections end with follow-up challenges that mirror on-site interview tasks, helping you practice deeper problem-solving and technical reasoning.

To support continuous growth, the book includes curated references and additional resources so you can keep exploring beyond its pages. Complex or less common terms are explained with accessible footnotes, making advanced material approachable for newcomers while offering fresh insights to seasoned developers.

The "Pro Tips for Mastery" chapters go beneath the surface, covering internal API design, performance trade-offs, and architectural decisions that matter in real-world projects. Senior engineers will find thought-provoking details to sharpen their expertise, while mid-level developers gain a toolkit for leveling up their Android skills and building a stronger analytical mindset.

Whether you’re preparing for an interview, transitioning to Compose, or simply deepening your Android expertise, this book challenges you to go beyond memorizing APIs. Learn to reason about design choices, experiment with different solutions, and approach Android development with clarity, curiosity, and confidence.

— Jaewoong Eum (skydoves)

For fun facts, who it's for, what it covers, and what it doesn’t, check out the Manifest Android Interview: The Ultimate Guide to Cracking Android Technical Interviews blog post.

This book explores the guts of Jetpack Compose, the brand new library by Google and the Android team that will become the future of Android UI. Dedicating time now to learn about its internals in-depth will yield powerful skills to write modern and efficient Android apps in the future.

If you are interested in other use cases of Jetpack Compose rather than Android, this book has got you covered also. Jetpack Compose internals is very focused on exploring the compiler and runtime from a generic perspective, making the overall experience very agnostic of the target platform. The book also provides a chapter dedicated to diverse use cases for Jetpack Compose, which exposes a few really interesting examples over code.

You could also be interested on the Jetpack Compose Internals course by Jorge Castillo. Find it in composeinternals.com

Jetpack Compose and Android are trademarks of Google LLC and this book is not endorsed by or affiliated with Google in any way.