Flutter Web: aria-invalid must be an available property on form inputs (Accessibility) #162142
Description
Use case
The WAI-ARIA property aria-invalid must be available on all Flutter form input elements types/widgets when the value is computed to be invalid or out-of-range.
Proposal
Add the WAI-ARIA property aria-invalid to the list of semantics flags on the following element types/widgets. Its value is true when the entered value is invalid, and false when the entered value is valid.
<input>(all types)applicationcheckboxcomboboxgridecelllistboxradiogroupsliderspinbuttontextboxtree
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High-priority issues at the top of the work listAccessibility, e.g. VoiceOver or TalkBack. (aka a11y)Nothing broken; request for a new capabilityA detailed proposal for a change to FlutterWeb applications specificallyIssue is closed as already fixed in a newer versionOwned by Text Input teamTriaged by Text Input team
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