Embedding a font by specifying a filename
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" backgroundColor="0xFFFFFF"> <mx:Style> @font-face { src:url("a.ttf"); fontFamily: localFont; fontWeight: bold; } </mx:Style> <mx:Button fontFamily="localFont" label="Try Me"/> </mx:Application>