Flutter
services
SystemChannels
accessibility constant

accessibility

accessibility constant

BasicMessageChannel const accessibility = const BasicMessageChannel<dynamic>('flutter/accessibility', const StandardMessageCodec())

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<dynamic> accessibility = BasicMessageChannel<dynamic>(
  'flutter/accessibility',
  StandardMessageCodec(),
)