code: public Toast setTypeface(Toast toast, String typefaceName, int style) {
  		setTypeface((ViewGroup) toast.getView(), typefaceName, style);
  		return toast;
  	}
docs: Set the typeface for the toast view.
  @param toast toast.
  @param typefaceName typeface name.
  @param style the typeface style.
  @return toast that the typeface is injected.