Android: how to make it no space between 2 button in a horizontal linearlayout

Question

I just found I cannot remove the space between 2 buttons even if I set the layout_marginRight and layout_marginLeft as below. But it make sense if

Answer 1

I think you can get rid of the space if you use TableLayout instead. And you can set negative values for the margin, if it's still adding some default space between them.