With any craftsman, knowing how to use your tools is a critical part of doing a job well. Android Studio, is the single most important tool for Android developers, and it includes a wide variety of features that empower developers to work effectively and assure software quality through testing. In this course, Working with Android Tools and Testing, you'll learn the skills necessary to work efficiently as an Android app developer, and assure quality software through testing. First, you'll start by exploring Android Studio productivity tools, such as refactoring and automatic code generation. Next, you'll learn how to identify and resolve application problems using the debugger. From there, you'll learn how to incorporate more expansive feature support into your applications using Android Support Libraries and the Gradle build system. Finally, you'll learn how to assure software quality and reliability through the combination of local JVM unit tests, Android instrumented unit tests, and automated user interface tests. By the end of this course, you'll have the necessary skills and knowledge to utilize Android Studio efficiently for your own Android applications.