ExpandChild class

This widget unfolds a hidden widget to the user, called child. This action is performed when the user clicks the 'expand' indicator.

Inheritance

Constructors

ExpandChild({Key? key, required Widget child, Duration animationDuration = _kExpandDuration, bool hideIndicatorOnExpand = false, Axis direction = Axis.vertical, IndicatorBuilder? indicatorBuilder, ExpandIndicatorStyle expandIndicatorStyle = ExpandIndicatorStyle.icon, String? indicatorCollapsedHint, String? indicatorExpandedHint, EdgeInsets? indicatorPadding, Color? indicatorIconColor, double? indicatorIconSize, IconData? indicatorIcon, TextStyle? indicatorHintTextStyle, bool capitalizeIndicatorHintText = true, double collapsedVisibilityFactor = 0, Alignment? indicatorAlignment})
const

Properties

animationDuration → Duration
How long the expanding animation takes. Default is 300ms.
final
capitalizeIndicatorHintText → bool
Autocapitalise tooltip text. Defaults to true.
final
child → Widget
This widget will be displayed if the user clicks the 'expand' indicator.
final
collapsedVisibilityFactor → double
Percentage of how much of the 'hidden' widget is show when collapsed. Defaults to 0.0.
final
direction → Axis
Direction of exapnsion, vertical by default.
final
expandIndicatorStyle → ExpandIndicatorStyle
Defines indicator rendering style.
final
hashCode → int
The hash code for this object.
no setterinherited
hideIndicatorOnExpand → bool
Ability to hide indicator from display when content is expanded. Defaults to false.
final
indicatorAlignment → Alignment?
Adjust horizontal alignment of the indicator.
final
indicatorBuilder → IndicatorBuilder?
Method to override the ExpandIndicator widget for expanding the content.
final
indicatorCollapsedHint → String?
Message used as a tooltip when the widget is minimized. Default value set to MaterialLocalizations.of(context).collapsedIconTapHint.
final
indicatorExpandedHint → String?
Message used as a tooltip when the widget is maximazed. Default value set to MaterialLocalizations.of(context).expandedIconTapHint.
final
indicatorHintTextStyle → TextStyle?
Style of the displayed message.
final
indicatorIcon → IconData?
Icon that will be used for the indicator. Default is Icons.expand_more.
final
indicatorIconColor → Color?
Defines indicator icon's color. Defaults to the caption text style color.
final
indicatorIconSize → double?
Defines icon's size. Default is 24.
final
indicatorPadding → EdgeInsets?
Defines indicator padding value.
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

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<StatefulWidget>
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