How to create ripple effect in simple layout

Question

How can I have a ripple effect in a simple linear/relative layout when touching the layout?

I\'ve tried setting the background of a layout to something like:

Answer 1

It turns out this is working as intended. The standard Material theme colorControlHighlight value is #40ffffff. So on a white background, this will not show up. Changing the highlight color to something else works, and/or changing the background color of the object.

Thanks all (especially Alanv for pointing me in the right direction).