For android dev it's a #1 choice for any android app dev.
No shit. It's the default and officially supported language, the only one you can get full access to the APIs with. Otherwise you have to battle with third-party libraries.
That's like saying "For iOS dev Objective-C it's a #1 choice for any iOS app dev."
It could be COBOL, for all you know.
@parad0x: All the more reason to do this yourself. Be glad they aren't still teaching you Pascal. I don't think higher education will necessarily save you, though.