An introduction to integration testing

An introduction to unit testing

Performance profiling

Cookbook

Testing

Integration

Performance profiling

1. Write a test that scrolls through a list of items

2. Record the performance of the app

3. Save the results to disk

4. Run the test

5. Review the results

Summary example

Complete example

When it comes to mobile apps, performance is critical to user experience.
Users expect apps to have smooth scrolling and meaningful animations free of
stuttering or skipped frames, known as “jank.” How to ensure that your app
is free of jank on a wide variety of devices?