Assertiveness enum Null safety

Determines the assertiveness level of the accessibility announcement.

It is used by AnnounceSemanticsEvent to determine the priority with which assistive technology should treat announcements.

Inheritance

Constructors

Assertiveness()
const

Values

polite → const Assertiveness

The assistive technology will speak changes whenever the user is idle.

Assertiveness()
assertive → const Assertiveness

The assistive technology will interrupt any announcement that it is currently making to notify the user about the change.

It should only be used for time-sensitive/critical notifications.

Assertiveness()

Properties

hashCode → int
The hash code for this object.
read-onlyinherited
index → int
A numeric identifier for the enumerated value.
read-onlyinherited
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Constants

values → const List<Assertiveness>
A constant List of the values in this enum, in order of their declaration.
[polite, assertive]