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

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