code: public static void apply(TextView textView, Face type){
          // First check for existing typefaces
          Typeface typeface = getTypeface(textView.getContext(), type);
          if (typeface != null)
              textView.setTypeface(typeface);
      }
docs: Apply a typeface to a textview
  
  @see Face
  
  @param textView      the text view you wish to apply to
  @param type          the typeface to apply