PolarLayout class
用于实现极坐标系 支持 柱状图 折线图 散点图
- Inheritance
-
- Object
- ViewGroup
- CoordinateLayout
- CircleCoordLayout<
Polar> - PolarLayout
Constructors
- PolarLayout(Polar props)
Properties
- children → List
-
no setterinherited
- gesture → ArcGesture
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- props → Polar
-
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
addView(
dynamic view, {int index = -1}) → void -
========================管理子View相关方法=======================
inherited
-
attach(
Context context, ViewParent parent) → void -
inherited
-
changeChildToFront(
dynamic child) → void -
inherited
-
clearChildFocus(
dynamic child) → void -
inherited
-
clearChildren(
) → void -
inherited
-
dataToPoint(
covariant dynamic angleData, covariant dynamic radiusData) → Offset -
将给定的数据转换为对应的坐标点
override
-
detach(
) → void -
inherited
-
dispatchDraw(
Canvas canvas) → void -
inherited
-
drawChild(
dynamic child, Canvas canvas) → bool -
负责绘制单独的一个ChildView，同时负责Canvas的坐标的正确转换
如果在方法中调用了
invalidate则返回trueinherited -
drawClickNode(
Canvas canvas) → void -
getChildAt(
int index) → dynamic -
inherited
-
getGlobalAreaBounds(
) → Rect -
inherited
-
hasChildView(
dynamic view) → bool -
inherited
-
measure(
double parentWidth, double parentHeight) → void -
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onAttach(
) → void -
onDraw(
Canvas canvas) → void -
onDrawEnd(
Canvas canvas) → void -
onLayout(
double left, double top, double right, double bottom) → void -
override
-
onMeasure(
double parentWidth, double parentHeight) → Size -
override
-
parentInvalidate(
) → void -
inherited
-
removeView(
dynamic view) → void -
inherited
-
requestLayout(
) → void -
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited