MyPicker class

一级数据选择widget

Inheritance

Constructors

MyPicker({Key? key, CreateWidgetList? createWidgetList, ValueChanged<int>? changed, ScrollBehavior? scrollBehavior, double itemExtent = 45, FixedExtentScrollController? controller, Color backgroundColor = Colors.white, Color? lineColor})

Properties

backgroundColor Color
final
changed ValueChanged<int>?
数据选择改变回调
final
controller FixedExtentScrollController?
final
createWidgetList CreateWidgetList?
创建数据widget列表
final
hashCode int
The hash code for this object.
no setterinherited
itemExtent double
数据显示高度
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
lineColor Color?
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
scrollBehavior ScrollBehavior?
滚动行为
final

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, int wrapWidth = 65}) 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