MapPolygon class
Creates a closed path which connects multiple geographical coordinates through group of MapPolygon.points.
late MapZoomPanBehavior _zoomPanBehavior;
late List<MapLatLng> _polygon;
late MapShapeSource _mapSource;
@override
void initState() {
_polygon = <MapLatLng>[
MapLatLng(38.8026, -116.4194),
MapLatLng(46.8797, -110.3626),
MapLatLng(41.8780, -93.0977),
];
_mapSource = MapShapeSource.asset(
'assets/usa.json',
shapeDataField: 'name',
);
_zoomPanBehavior = MapZoomPanBehavior();
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('Polygon shape')),
body: SfMaps(layers: [
MapShapeLayer(
source: _mapSource,
sublayers: [
MapPolygonLayer(
polygons: List<MapPolygon>.generate(
1,
(int index) {
return MapPolygon(
points: _polygon,
);
},
).toSet(),
),
],
zoomPanBehavior: _zoomPanBehavior,
),
]),
);
}
- Inheritance
-
- Object
- DiagnosticableTree
- MapPolygon
Constructors
-
MapPolygon({required List<
MapLatLng> points, Color? color, Color? strokeColor, double? strokeWidth, VoidCallback? onTap}) -
Creates a MapPolygon.
const
Properties
- color → Color?
-
Specifies the fill color of the polygon.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- onTap → VoidCallback?
-
Callback to receive tap event for this polygon.
final
-
points
→ List<
MapLatLng> -
The geolocation coordinates of the polygon to be drawn.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- strokeColor → Color?
-
Specifies the stroke color of the polygon.
final
- strokeWidth → double?
-
Specifies the stroke width of the polygon.
final
Methods
-
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.
override
-
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 brief description of this object, usually just the runtimeType and the
hashCode.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited