UserScrollNotification class Null safety

A notification that the user has changed the direction in which they are scrolling.

See also:

Inheritance

Constructors

UserScrollNotification({required ScrollMetrics metrics, required BuildContext context, required ScrollDirection direction})
Creates a notification that the user has changed the direction in which they are scrolling.

Properties

context BuildContext?
The build context of the widget that fired this notification.
final, inherited
depth int
The number of viewports that this notification has bubbled through.
read-only, inherited
direction ScrollDirection
The direction in which the user is scrolling.
final
hashCode int
The hash code for this object.
read-only, inherited
metrics ScrollMetrics
A description of a Scrollable's contents, useful for modeling the state of its viewport.
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

debugFillDescription(List<String> description) → void
Add additional information to the given description for use by toString.
override
dispatch(BuildContext? target) → void
Start bubbling this notification at the given build context.
inherited
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