offset property

Offset offset
final

Places the marker position in additional to the given offset.

Defaults to Offset.zero.

late List<Model> data;
late MapShapeSource _mapSource;

@override
void initState() {
   data = const <Model>[
     Model('Brazil', -14.235004, -51.92528),
     Model('Germany', 51.16569, 10.451526),
     Model('Australia', -25.274398, 133.775136),
     Model('India', 20.593684, 78.96288),
     Model('Russia', 61.52401, 105.318756)
   ];

   _mapSource = MapShapeSource.asset(
     'assets/world_map.json',
     shapeDataField: 'name',
     dataCount: data.length,
     primaryValueMapper: (int index) => data[index].country,
   );
   super.initState();
}

@override
Widget build(BuildContext context) {
   return Scaffold(
     body: Center(
         child: Container(
           height: 350,
           child: Padding(
             padding: EdgeInsets.only(left: 15, right: 15),
             child: SfMaps(
               layers: <MapLayer>[
                 MapShapeLayer(
                   source: _mapSource,
                   initialMarkersCount: 5,
                   markerBuilder: (BuildContext context, int index) {
                     return MapMarker(
                       latitude: data[index].latitude,
                       longitude: data[index].longitude,
                       offset: Offset(20.0, 10.0),
                     );
                   },
                 ),
               ],
             ),
           ),
         )
     ),
   );
 }

class Model {
 const Model(this.country, this.latitude, this.longitude);

 final String country;
 final double latitude;
 final double longitude;
}

See also:

Implementation

final Offset offset;