handleAddGroup method
Implementation
void handleAddGroup(MethodCall call) {
Map<Object?, Object?> args = call.arguments as Map<Object?, Object?>;
String groupKey = args['groupKey'] as String;
dynamic groupID = args["groupID"];
if (groupID != null) {
add_group(groupKey,
(groupID is Map || groupID is List) ? js.jsify(groupID) : groupID);
}
}