The official language for Android development is Java but it isn't the only language you can use to develop Android apps.

Mastering the C programming language - a classic code environment used to build software, apps, and whole operating systems - is a great skill, and Mac OS X makes it easy to learn.

C: A programming language often used in app and system development. Its syntax is similar to other popular languages, making it a useful branching-off point for beginner developers.