2.5 Input Modalities · Operable
WCAG 2.5.4 Motion Actuation
Level A
Functionality operated by device motion (shake, tilt) must also be operable via UI controls and possible to disable, except where motion is essential.
Common failures
- Shake-to-undo with no UI undo button.
How to fix
- Mirror motion gestures with on-screen controls.
- Offer a settings toggle to disable motion-triggered actions.
Related criteria
- WCAG 2.5.1 Pointer Gestures Level A