UserScrollNotification class

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, ScrollDirection direction })
Creates a notification that the user has changed the direction in which they are scrolling.

Properties

direction → ScrollDirection
The direction in which the user is scrolling.
final
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
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
Returns a string representation of this object.
inherited
visitAncestor(Element element) → bool
Applied to each ancestor of the dispatch target. [...]
inherited

Operators

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