Table of Contents
| Table of Contents | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Overview
Make it easier for users to operate functionality through various inputs beyond keyboard.
...
Provide single-point operation for all functions.
Please see more detailed information on how to comply with this guideline.
Pointer Cancellation
Make it easier for users to prevent accidental or erroneous pointer input.
...
Make it easier for anyone to recover from something they didn’t mean to do.
General Requirements:
For functionality that can be operated using a single pointer, at least one of the following should apply:
1. No Down-Event
The down-event of the pointer is not used to execute any part of the function;
2. Abort or Undo
Completion of the function is on the up-event, and a mechanism is available to abort the function before completion or to undo the function after completion;
3. Up Reversal
The up-event reverses any outcome of the preceding down-event;
4. Essential
Completing the function on the down-event is essential.
Please see more detailed information on how to comply with this guideline.
Make the Control Text Label and Name the Same
...
People who operate with voice interaction use the visible labels in their commands.
Please see more detailed information on how to comply with this guideline.
Content Should Not Be Dependent On a User's Ability to Move a Device.
...
Ensure that functions triggered by moving a device (for example, shaking or tilting) or by gesturing towards the device can also be operated by more conventional user interface components.
Please see more detailed information on how to comply with this guideline.
Don’t Rely on Dragging for User Interactions
...
However, that providing a text input can be an acceptable single-pointer alternative to dragging. For example, an input beside a slider could allow any user to enter a precise value for the slider. In such a situation, the on-screen keyboard that appears for touch users offers a single-pointer means of entering an alphanumeric value.Please see more detailed information on how to comply with this guideline.
Make Controls Easy to Activate
...
Typically these types of input device do not provide as much accuracy as mainstream pointing devices. Meeting this requirement also ensures that touchscreen interfaces are easier to use.Please see more detailed information on how to comply with this guideline.
WCAG Related
...
Guidelines
2.5.1 Pointer Gestures (Level A)
2.5.2 Pointer Cancellation (Level A)
2.5.4 Motion Actuation (Level A)
2.5.7 Dragging Movements (Level AA)
2.5.8 Target Size Minimum (Level AA)