ScrollPositioned class
Scroll Positioned
Allows you to position widgets fixed along with a scroll. It can be positioned relative to the parent widget, or the absolute position. Best used with a Scrollable, like a ListView, but can be used on its own.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ScrollPositioned
Constructors
- ScrollPositioned({Key? key, required Widget child, ScrollController? controller, double? top, double? right, double? bottom, double? left, double? width, double? height})
-
Scroll Positioned
const
- ScrollPositioned.absolute({Key? key, required Widget child, ScrollController? controller, double? top, double? left, double? width, double? height})
-
Scroll Positioned - Absolute
const
- ScrollPositioned.expand({Key? key, required Widget child, ScrollController? controller})
-
Scroll Positioned - Expand
const
Properties
- bottom → double?
-
final
- child → Widget
-
final
- controller → ScrollController?
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double?
-
final
- isAbsolute → bool
-
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- left → double?
-
final
- right → double?
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- top → double?
-
final
- width → double?
-
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< ScrollPositioned> -
Creates the mutable state for this widget at a given location in the tree.
override
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNode
objects describing this node's children.inherited -
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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.
inherited