Explore the fundamentals of automated software testing for Android app development in this 40-minute conference talk from Android Dev Summit 2015. Gain insights into Google's testing tools and frameworks as Stephan Linzner, Jose Alcérreca, and Jan-Felix Schmakeit demonstrate how to improve iteration speed and maintain a healthier codebase. Learn about isolating external dependencies, choosing flavors, Gradle tasks, mockable Android Jar, test-driven development, UI testing, performance testing harness, and custom test rules. Discover how to effectively implement these techniques using a Notes app example, from adding features to running tests on devices and emulators.