EdgeDraggingAutoScroller class Null safety
An auto scroller that scrolls the scrollable if a drag gesture drags close to its edge.
The scroll velocity is controlled by the velocityScalar:
velocity =
Constructors
- EdgeDraggingAutoScroller(ScrollableState scrollable, {VoidCallback? onScrollViewScrolled, double velocityScalar = _kDefaultAutoScrollVelocityScalar})
- Creates a auto scroller that scrolls the scrollable.
Properties
- hashCode → int
-
The hash code for this object.
read-onlyinherited
- onScrollViewScrolled → VoidCallback?
-
Called when a scroll view is scrolled.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
read-onlyinherited
- scrollable → ScrollableState
-
The Scrollable this auto scroller is scrolling.
final
- scrolling → bool
-
Whether the auto scroll is in progress.
read-only
- velocityScalar → double
-
The velocity scalar per pixel over scroll.
final
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
startAutoScrollIfNecessary(
Rect dragTarget) → void -
Starts the auto scroll if the
dragTarget
is close to the edge. -
stopAutoScroll(
) → void - Stop any ongoing auto scrolling.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited