How to retrieve a list of available/installed fonts in android?

Regarding the actual question, here is a way to create a list of all available fonts installed:

String path = "/system/fonts";
File file = new File(path);
File ff[] = file.listFiles();

Array ff[] will contain all the font files.

Taken from Mark Murphy's answer on the Android Developers mailing list:

http://developer.android.com/reference/android/graphics/Typeface.html

There are only three fonts: normal (Droid Sans), serif (Droid Serif), and monospace (Droid Sans Mono).

While there may be additional fonts buried in WebKit somewhere, they appear to be inaccessible to developers outside of WebKit. :-(

The only other fonts are any TrueType ones you bundle with your application.

Edit: Roboto is a new font which came in with Android 4.0. You can use this library project to use it in all versions back to API level 4 https://github.com/mcalliph/roboto-text-view