Open Source

My main goal is to make Android UI testing easier for everybody. In order to achieve it, I've created some libraries & projects.

Own Libraries/Projects
šŸŽØ AndroidUiTestingUtils
šŸ“ø Android Screenshot Testing Playground
šŸ”¤ FontSizeTestRule

Check out sergio-sastre's profile on

Additionally, I've also been actively contributing to other popular projects & libraries in the Android UI Testing area:

šŸ“š Android UI Testing Cookbook GitHub stars

Contributions to other libraries
ā˜• Kaspresso

  • Features: compatibility with Robolectric
  • Bugfixes + documentation + clean up

GitHub stars