public static void setLanguages(final String[] newLanguages) {
        languages = newLanguages;
    }
Return a language by id.

@param id the language id
@return the language, or <tt>null</tt> if <tt>id</tt> does not correspond to a registered language
main/src/main/java/cgeo/geocaching/unifiedmap/tileproviders/TileProviderFactory.java