Flutter
services
SystemChannels
accessibility constant

accessibility

accessibility constant Null safety

BasicMessageChannel<Object?> const accessibility

A BasicMessageChannel for accessibility events.

See also:

SemanticsEvent and its subclasses for a list of valid accessibility events that can be sent over this channel.
SemanticsNode.sendEvent, which uses this channel to dispatch events.

Implementation

static const BasicMessageChannel<Object?> accessibility = BasicMessageChannel<Object?>(
  'flutter/accessibility',
  StandardMessageCodec(),
);