FlListWheelState class

解决父组件重新 build 时 改变子元素长度后显示异常问题 添加支持初始位置

Inheritance

Constructors

FlListWheelState.new({Key? key, int initialItem = 0, FixedExtentScrollController? controller, bool disposeController = true, Duration animateDuration = const Duration(milliseconds: 10), Curve curve = Curves.linear, FlListWheelStateOnScrollController? onCreateController, required int count, required FlListWheelStateBuilder builder})
const

Properties

animateDuration → Duration
animateToItem
final
builder → FlListWheelStateBuilder
final
controller → FixedExtentScrollController?
控制器
final
count → int
条目数量
final
curve → Curve
curve
final
disposeController → bool
默认为 true 组件 dispose 自动调用 controller.dispose()
final
hashCode → int
The hash code for this object.
no setterinherited
initialItem → int
初始item
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onCreateController → FlListWheelStateOnScrollController?
controller 为null 自动创建 controller 回调
final
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<FlListWheelState>
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