SemanticsEvent class

An event sent by the application to notify interested listeners that something happened to the user interface (e.g. a view scrolled).

These events are usually interpreted by assistive technologies to give the user additional clues about the current state of the UI.

Implementers

Constructors

SemanticsEvent(String type)
Initializes internal fields. [...]
const

Properties

hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
type String
The type of this event. [...]
final

Methods

getDataMap() Map<String, dynamic>
Returns the event's data object.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toMap({int nodeId}) Map<String, dynamic>
Converts this event to a Map that can be encoded with StandardMessageCodec. [...]
toString() String
Returns a string representation of this object.
override

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited