Develop a complete testing strategy for Android applications using the latest AndroidX Test libraries and tools in this 42-minute Google I/O 2019 conference talk. Learn to build an Android app from scratch while implementing modern design patterns and mirroring real-world scenarios. Explore critical user journeys, architecture components, integration tests, unit tests, and the test pyramid. Discover how to create local tests and leverage AndroidX Test compatibility. Gain insights into the Nitrogen EAP and enhance your Android development skills with practical examples and expert guidance.