Hey, my name is Alex

I build cross-platform mobile apps and write about testing, performance and UI that works on every screen size. I like breaking complex topics into chunks that are easy to understand.

Illustration of a laptop on a desk with notes, a phone, and a cup of coffee
Cover of Mastering Android Screenshot Testing by Alex Zhukovich

A practical guideEarly access

Eliminate Visual Regressions Across Devices and Configurations

Learn the fundamental principles, frameworks, and best practices to catch visual regressions before they reach production.

  • Decide when screenshot tests pay off — and when they don’t
  • Choose the right framework and tools for your project
  • Generate screenshot tests straight from Compose previews

Start here

New to the blog? These are good first reads.

  1. Not all UI tests are the same
  2. Why Visual Testing Is Critical for Mobile App Quality
  3. Benefits of building components instead of screens
  4. Jetpack Compose: Preview

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