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

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