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.

Implemented by

Constructors

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

Properties

type → String
The type of this event. [...]
final
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

Methods

getDataMap() → Map<String, dynamic>
Returns the event's data object.
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.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited

Operators

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