ExpansionTiles class

Inheritance
Available Extensions

Constructors

ExpansionTiles({Key? key, Widget? leading, required Widget title, List<Widget> children = const [], Widget? child, bool initial = false, Widget? subtitle, Color? backgroundColor, ValueChanged<bool>? onExpansionChanged, Widget? trailing, Duration duration = const Duration(milliseconds: 200)})
const

Properties

backgroundColor Color?
展开时的背景颜色,
final
child Widget?
自定义子元素
final
children List<Widget>
子元素,
final
duration Duration
展开时长
final
hashCode int
The hash code for this object.
no setterinherited
initial bool
初始状态是否展开,
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
leading Widget?
标题左侧图标,
final
onExpansionChanged ValueChanged<bool>?
展开或关闭监听
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
subtitle Widget?
副标题
final
title Widget
title:闭合时显示的标题,
final
trailing Widget?
右侧的箭头
final

Methods

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