ExpandablePanel class

A configurable widget for showing user-expandable content with an optional expand button.

Inheritance

Constructors

ExpandablePanel({Key? key, Widget? header, required Widget collapsed, required Widget expanded, ExpandableController? controller, ExpandableBuilder? builder, ExpandableThemeData? theme})

Properties

builder → ExpandableBuilder?
Builds an Expandable object, optional
final
collapsed → Widget
The widget shown in the collapsed state
final
controller → ExpandableController?
An optional controller. If not specified, a default controller will be obtained from a surrounding ExpandableNotifier. If that does not exist, the controller will be created with the initial state of initialExpanded.
final
expanded → Widget
The widget shown in the expanded state
final
hashCode → int
The hash code for this object.
no setterinherited
If specified, the header is always shown, and the expandable part is shown under the header
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
theme → ExpandableThemeData?
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
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.
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