
Success criterion 2.5.1 · Level A
Pointer Gestures

“Pinch to zoom? I use a head pointer. I've got one point of contact, and it's doing its best.”
Success criterion 2.5.1 · Level A
Pointer Gestures
Anything that uses multipoint or path-based gestures can also be operated with a single pointer without a path-based gesture.
Principle 2: Operable · Guideline 2.5: Input Modalities
What each role can do
- Product manager
- Require a single-tap alternative for every gesture.
- Designer
- Add visible controls, such as plus and minus buttons, next to swipe and pinch interactions.
- Developer
- Provide click or tap equivalents for pinch, multi-finger and swipe-path gestures.
- Tester
- Operate every gesture-driven feature with a single pointer and no dragging.
Once it is fixed

“Plus and minus buttons! One tap and I'm zooming like everyone else.”
Next criterion: 2.5.2 Pointer Cancellation