How to change gap size between buttons in Android DatePicker?

Ideally, I'd like to be able to make the datepicker a little smaller. However, that seems not an option based on my internet search. But it might ok开发者_开发技巧ay, if I could squeeze the buttons a little closer. So, how to change the gap size between button in the DatePicker?

I think based on this answer you're pretty much stuck with what you got... but if I'm wrong, I'd love to know how to do it! :)