ConfigurableExpansionTile class

A configurable Expansion Tile edited from the flutter material implementation that allows for customization of most of the behaviour. Includes providing colours, replacement widgets on expansion, and animating preceding/following widgets.

See: ExpansionTile

Inheritance

Constructors

ConfigurableExpansionTile({Key? key, Color headerBackgroundColorStart = Colors.transparent, ValueChanged<bool>? onExpansionChanged, bool initiallyExpanded = false, required Widget header(bool isExpanded, Animation<double> iconTurns, Animation<double> heightFactor, ConfigurableExpansionTileController controller), Widget? animatedWidgetFollowingHeader, Widget? animatedWidgetPrecedingHeader, Color? expandedBackgroundColor, Color borderColorStart = Colors.transparent, Color borderColorEnd = Colors.transparent, bool topBorderOn = true, bool bottomBorderOn = true, Duration kExpand = const Duration(milliseconds: 200), Color? headerBackgroundColorEnd, Widget? headerExpanded, Animatable<double>? headerAnimationTween, Animatable<double>? borderAnimationTween, ConfigurableExpansionTileController? controller, Animatable<double>? animatedWidgetTurnTween, Animatable<double>? animatedWidgetTween, Widget? childrenBody, bool enableExpanded = true})
Creates a a Widget with an optional animatedWidgetPrecedingHeader and/or animatedWidgetFollowingHeader. Optionally, the header can change on the expanded state by proving a Widget in headerExpanded. Colors can also be specified for the animated transitions/states. childrenBody are revealed when the expansion tile is expanded.
const

Properties

animatedWidgetFollowingHeader → Widget?
A widget to rotate following the header (ie an arrow)
final
animatedWidgetPrecedingHeader → Widget?
A widget to rotate preceding the header (ie an arrow)
final
animatedWidgetTurnTween → Animatable<double>?
Tween for turning animatedWidgetFollowingHeader and animatedWidgetPrecedingHeader
final
animatedWidgetTween → Animatable<double>?
animatedWidgetFollowingHeader and animatedWidgetPrecedingHeader transition tween
final
borderAnimationTween → Animatable<double>?
Border animation tween
final
borderColorEnd → Color
The color of the border at the end of animation, after the list is expanded
final
borderColorStart → Color
The color the border start, before the list is expanded
final
bottomBorderOn → bool
Turns the bottom border of the list on/off
final
childrenBody → Widget?
The widgets that are displayed when the tile expands.
final
controller → ConfigurableExpansionTileController?
controller
final
enableExpanded → bool
Whether to enable&disable the expansion function
final
expandedBackgroundColor → Color?
The Color of the background of the childrenBody when expanded
final
hashCode → int
The hash code for this object.
no setterinherited
The header for the expansion tile eg:
final
headerAnimationTween → Animatable<double>?
Header transition tween
final
headerBackgroundColorEnd → Color?
The Color the header will transition to on expand
final
headerBackgroundColorStart → Color
The color of the header, useful to set if your animating widgets are larger than the header widget, or you want an animating color, in which case your header widget should be transparent
final
headerExpanded → Widget?
An optional widget to replace header with if the list is expanded
final
initiallyExpanded → bool
Specifies if the list tile is initially expanded (true) or collapsed (false, the default).
final
kExpand → Duration
The duration of the animations
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onExpansionChanged → ValueChanged<bool>?
Called when the tile expands or collapses.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
topBorderOn → bool
Turns the top border of the list is on/off
final

Methods

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