code: public static void apply(@NonNull TextView textView, @NonNull String fontPath) {
          if (!textView.isInEditMode()) {
              setTypeface(textView, getFontFromString
                      (textView.getContext().getAssets(), fontPath, true));
          }
      }
docs: Applies font to provided TextView.<br/>
  Note: this class will only accept fonts under <code>fonts/</code> directory
  and fonts starting with <code>font:</code> prefix.