setTableCallback method
Implementation
void setTableCallback(int table, Function callback) {
_callbackList.add(callback);
Map<String, String> map = {
MessageTag.MESSAGE_TYPE: MessageType.SET_TABLE_CALLBACK,
MessageTag.TABLE_INDEX: table.toString(),
MessageTag.CALLBACK_INDEX: _callbackList.length.toString(),
};
_sendPort.send([map, _callbackPort.sendPort]);
}