MapBubbleSettings class

Customizes the appearance of the bubbles.

It is possible to customize the radius, color, opacity and stroke of the bubbles.

late List<Model> _data;
late MapShapeSource _mapSource;

 @override
 void initState() {
   super.initState();

   _data = <Model>[
    Model('India', 280, "Low"),
    Model('United States of America', 190, "High"),
    Model('Pakistan', 37, "Low"),
   ];

   _mapSource = MapShapeSource.asset(
     "assets/world_map.json",
     shapeDataField: "name",
     dataCount: _data.length,
     primaryValueMapper: (int index) {
       return _data[index].country;
     },
     bubbleSizeMapper: (int index) {
       return _data[index].count;
     },
   );
 }

 @override
 Widget build(BuildContext context) {
   return SfMaps(
     layers: [
       MapShapeLayer(
         source: _mapSource,
         bubbleSettings: MapBubbleSettings(maxRadius: 10, minRadius: 2),
       )
     ],
   );
 }

class Model {
 const Model(this.country, this.count, this.storage);

 final String country;
 final double count;
 final String storage;
}
Inheritance
Annotations

Constructors

MapBubbleSettings({double minRadius = 10.0, double maxRadius = 50.0, Color? color, double? strokeWidth, Color? strokeColor})
Creates a MapBubbleSettings.
const

Properties

color → Color?
Default color of the bubbles.
final
hashCode → int
The hash code for this object.
no setteroverride
maxRadius → double
Maximum radius of the bubble.
final
minRadius → double
Minimum radius of the bubble.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
strokeColor → Color?
Stroke color of the bubbles.
final
strokeWidth → double?
Stroke width of the bubbles.
final

Methods

copyWith({double? minRadius, double? maxRadius, Color? color, double? strokeWidth, Color? strokeColor}) → MapBubbleSettings
Creates a copy of this class but with the given fields replaced with the new values.
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, int wrapWidth = 65}) → 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.
override