OverscrollNotification class

A notification that a Scrollable widget has not changed its scroll position because the change would have caused its scroll position to go outside of its scroll bounds.

See also:

Inheritance

Constructors

OverscrollNotification({@required ScrollMetrics metrics, @required BuildContext context, DragUpdateDetails dragDetails, @required double overscroll, double velocity: 0.0 })
Creates a notification that a Scrollable widget has changed its scroll position outside of its scroll bounds.

Properties

dragDetails → DragUpdateDetails
If the Scrollable overscrolled because of a drag, the details about that drag update. [...]
final
overscroll → double
The number of logical pixels that the Scrollable avoided scrolling. [...]
final
velocity → double
The velocity at which the ScrollPosition was changing when this overscroll happened. [...]
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