BoxScrollView class Null safety

A ScrollView that uses a single child layout model.

See also:

Inheritance
Implementers

Constructors

BoxScrollView({Key? key, Axis scrollDirection: Axis.vertical, bool reverse: false, ScrollController? controller, bool? primary, ScrollPhysics? physics, bool shrinkWrap: false, EdgeInsetsGeometry? padding, double? cacheExtent, int? semanticChildCount, DragStartBehavior dragStartBehavior: DragStartBehavior.start, ScrollViewKeyboardDismissBehavior keyboardDismissBehavior: ScrollViewKeyboardDismissBehavior.manual, String? restorationId, Clip clipBehavior: Clip.hardEdge})
Creates a ScrollView uses a single child layout model. [...]
const

Properties

anchor → double
The relative position of the zero scroll offset. [...]
final, inherited
cacheExtent → double?
The viewport has an area before and after the visible area to cache items that are about to become visible when the user scrolls. [...]
final, inherited
center → Key?
The first child in the GrowthDirection.forward growth direction. [...]
final, inherited
clipBehavior → Clip
The content will be clipped (or not) according to this option. [...]
final, inherited
controller → ScrollController?
An object that can be used to control the position to which this scroll view is scrolled. [...]
final, inherited
dragStartBehavior → DragStartBehavior
Determines the way that drag start behavior is handled. [...]
final, inherited
hashCode → int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
key → Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
keyboardDismissBehavior → ScrollViewKeyboardDismissBehavior
ScrollViewKeyboardDismissBehavior the defines how this ScrollView will dismiss the keyboard automatically.
final, inherited
padding → EdgeInsetsGeometry?
The amount of space by which to inset the children.
final
physics → ScrollPhysics?
How the scroll view should respond to user input. [...]
final, inherited
primary → bool
Whether this is the primary scroll view associated with the parent PrimaryScrollController. [...]
final, inherited
restorationId → String?
Restoration ID to save and restore the scroll offset of the scrollable. [...]
final, inherited
reverse → bool
Whether the scroll view scrolls in the reading direction. [...]
final, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited
scrollDirection → Axis
The axis along which the scroll view scrolls. [...]
final, inherited
semanticChildCount → int?
The number of children that will contribute semantic information. [...]
final, inherited
shrinkWrap → bool
Whether the extent of the scroll view in the scrollDirection should be determined by the contents being viewed. [...]
final, inherited

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget. [...]
inherited
buildChildLayout(BuildContext context) → Widget
Subclasses should override this method to build the layout model.
@protected
buildSlivers(BuildContext context) → List<Widget>
Build the list of widgets to place inside the viewport. [...]
override
buildViewport(BuildContext context, ViewportOffset offset, AxisDirection axisDirection, List<Widget> slivers) → Widget
Build the viewport. [...]
@protected, inherited
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree. [...]
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
override
getDirection(BuildContext context) → AxisDirection
Returns the AxisDirection in which the scroll view scrolls. [...]
@protected, inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep. [...]
inherited
toString({DiagnosticLevel minLevel: DiagnosticLevel.info}) → String
A string representation of this object. [...]
inherited
toStringDeep({String prefixLineOne: '', String? prefixOtherLines, DiagnosticLevel minLevel: DiagnosticLevel.debug}) → String
Returns a string representation of this node and its descendants. [...]
inherited
toStringShallow({String joiner: ', ', DiagnosticLevel minLevel: DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object. [...]
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) → bool
The equality operator. [...]
@nonVirtual, inherited