Описание тега rippledrawable
Using RippleDrawable, users will no longer have a button (for example) that simply changes colors when pressed; instead, that button will respond with ripples and waves when users interact with it.
Using RippleDrawable, users will no longer have a button (for example) that simply changes colors when pressed; instead, that button will respond with ripples and waves when users interact with it.
The design principle is shown at https://material.io/design/motion/.