WheelOptions class

Constructors

WheelOptions({ScrollPhysics? physics, double diameterRatio = 2.0, double perspective = 0.003, double offAxisFraction = 0.0, bool useMagnifier = true, double magnification = 1.2, double overAndUnderCenterOpacity = 1.0, double itemExtent = 30, double squeeze = 1.0, bool renderChildrenOutsideViewport = false, Clip clipBehavior = Clip.hardEdge, String? restorationId, ScrollBehavior? scrollBehavior})
const
WheelOptions.cupertino({double diameterRatio = 1.07, Color? backgroundColor, double offAxisFraction = 0.0, bool useMagnifier = true, double magnification = 1.1, double squeeze = 1.45, double itemExtent = 30, Widget? selectionOverlay = const CupertinoPickerDefaultSelectionOverlay()})
const
WheelOptions.custom({ScrollPhysics? physics, double diameterRatio = 2.0, double perspective = 0.003, double offAxisFraction = 0.0, bool useMagnifier = false, double magnification = 1.0, double overAndUnderCenterOpacity = 1.0, double itemExtent = 30, double squeeze = 1.0, bool renderChildrenOutsideViewport = false, Clip clipBehavior = Clip.hardEdge, String? restorationId, ScrollBehavior? scrollBehavior, Widget? selectionOverlay, Color? backgroundColor, bool isCupertino = false})
const

Properties

backgroundColor → Color?
isCupertino=true生效
final
clipBehavior → Clip
isCupertino=false生效
final
diameterRatio → double
半径大小,越大则越平面,越小则间距越大
final
hashCode → int
The hash code for this object.
no setterinherited
isCupertino → bool
是否使用ios 样式
final
itemExtent → double
wheel子item高度
final
magnification → double
放大倍率
final
offAxisFraction → double
选中item偏移
final
overAndUnderCenterOpacity → double
isCupertino=false生效
final
perspective → double
表示车轮水平偏离中心的程度 范围0,0.01 isCupertino=false生效
final
physics → ScrollPhysics?
ScrollPhysics
final
renderChildrenOutsideViewport → bool
isCupertino=false生效
final
restorationId → String?
isCupertino=false生效
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scrollBehavior → ScrollBehavior?
isCupertino=false生效
final
selectionOverlay → Widget?
isCupertino=true生效
final
squeeze → double
上下间距默认为1.45 数越小 间距越大
final
useMagnifier → bool
是否启用放大镜
final

Methods

copyWith({double? itemExtent, double? diameterRatio, double? offAxisFraction, double? perspective, double? magnification, bool? useMagnifier, double? squeeze, ScrollPhysics? physics, Widget? selectionOverlay, Color? backgroundColor, bool? isCupertino, double? overAndUnderCenterOpacity, bool? renderChildrenOutsideViewport, Clip? clipBehavior, ScrollBehavior? scrollBehavior, String? restorationId}) → WheelOptions
merge([WheelOptions? options]) → WheelOptions
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited