The Ripple component provides a radial action in the form of a visual ripple expanding outward from the user's touch. Ripple is a visual form of feedback for touch events providing users a clear signal that an element is being touched.
MDCRippleView is a material design implementation of touch feedback and is a successor of Ink.
Ripple is currently a beta component. Therefore, clients that wish to use Ripple in their app will need to manually clone the repo and add the code to their project.