Feedback & Interaction · What a tap feels like
Ripple涟漪
- responsive
- material
- expanding
A fading circle spreads out from the point of the tap, drawing the fact that the press registered.
When to use it
It suits large tappable areas with no pressed state of their own, such as list rows; if a button already has press feedback, skip it.
Parameters
expands from tap point to cover element · 500ms · ease-out · opacity: 0.3→0
Recipe
Ripple → opacity 0.3 → 0 @ 500ms ease-out
One sentence for your AI
Add a click ripple to this list row: a circle expands from the click point to cover the row over 500ms ease-out, opacity 0.3 → 0.