Android Studio is a powerful and sophisticated development environment, designed with the specific purpose of developing, testing, and packaging Android applications. It can be downloaded, along with the Android SDK, as a single package, but as we shall see throughout the course of this book, it is, in reality, a collection of tools and components, many of which are installed and updated independently of each other.
Android Studio is not the only way to develop Android apps; there are other IDEs, such as Eclipse and NetBeans, and it is even possible to develop a complete app using nothing more than Notepad and the command line, although this last method would be very slow and cumbersome.
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