Testing your app is an integral part of the app development process. Testing allows you to verify the correctness, functional behavior, and usability of your app before it is released publicly.
Learn the basics of testing your app, with information about building and running your tests with Android Studio:
Testing Tools and APIs
Learn about the tools provided by the Android platform that help you test every aspect of your app at every level:
App Testing Techniques
Learn techniques for testing your apps:
More resources for app testing: