ArcWidget class

圆弧（包括圆）

Inheritance

Constructors

ArcWidget(double diameter, {double startAngle = 0.0, Color borderColor = Colors.grey, double sweepAngle = 360.0, String? middleLabel, String? aboveLabel, Color color = Colors.blue, double strokeWidth = 1.0})
diameter - 直径
startAngle - 开始角度
sweepAngle - 间隔角度
color - 颜色
strokeWidth - 画笔粗细

Properties

aboveLabel → String?
上部的文字
final
borderColor → Color
圆环背景
final
color → Color
颜色
finalinherited
diameter → double
直径
final
hashCode → int
The hash code for this object.
no setterinherited
height → double
高度
finalinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
middleLabel → String?
中部的文字
final
rotateAngle → double
需要旋转的角度
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
startAngle → double
开始角度
final
strokeWidth → double
画笔宽度
finalinherited
sweepAngle → double
间隔角度
final
width → double
宽度
finalinherited

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
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