CheckBox class

自定义版

Inheritance
Available Extensions

Constructors

CheckBox({Key? key, bool? value = false, required CheckBoxStateBuilder builder, bool tristate = false, ValueChanged<bool?>? onChanged, Decoration? decoration, EdgeInsetsGeometry? margin, EdgeInsetsGeometry? padding})
const

Properties

builder → CheckBoxStateBuilder
不同状态时 显示的组件
final
decoration → Decoration?
decoration
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
margin → EdgeInsetsGeometry?
margin
final
onChanged → ValueChanged<bool?>?
bool 值改变回调
final
padding → EdgeInsetsGeometry?
padding
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
tristate → bool
bool 类型是否使用后null
final
value → bool?
初始化值 默认为 false
final

Methods

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