code: public <V extends TextView> void setTypeface(V view, String typefaceName) {
  		Typeface typeface = mCache.get(typefaceName);
  		view.setTypeface(typeface);
  	}
docs: Set the typeface to the target view.
  @param view to set typeface.
  @param typefaceName typeface name.
  @param <V> text view parameter.