getFilter method

@override Future getFilter(String layerId)

Implementation

@override
Future<dynamic> getFilter(String layerId) async {
  try {
    final Map<dynamic, dynamic> reply =
        await _channel.invokeMethod('style#getFilter', <String, dynamic>{
      'layerId': layerId,
    });
    final filter = reply["filter"];
    return filter != null ? jsonDecode(filter) : null;
  } on PlatformException catch (e) {
    return Future.error(e);
  }
}