getPointsGroupHead method

Marker? getPointsGroupHead(
  1. int markerId
)

Gets the points group head for the given marker id.

This requires the collection to be added to a map view collection with MarkerCollectionRenderSettings.buildPointsGroupConfig set to true

If points group head info is not available the function will return a reference to the queried marker and will set the API error accordingly

If markerId is already a points group head the function will return a reference to the queried marker and will set the API error accordingly

Parameters

  • IN markerId The marker id belonging to the points group.

Returns

  • Points group head marker

Implementation

Marker? getPointsGroupHead(final int markerId) {
  final OperationResult resultString = objectMethod(
    _pointerId,
    'MarkerCollection',
    'getPointsGroupHead',
    args: markerId,
  );

  if (resultString['result'] == -1) {
    return null;
  }

  return Marker.init(resultString['result']);
}