retractMessage method

Future<void> retractMessage (
  1. {@required dynamic target,
  2. @required String serverMessageId}
)

消息撤回

@param target 聊天对象, JMSingle | JMGroup @param serverMessageId 消息服务器 id

Implementation

Future<void> retractMessage({
  @required dynamic target, /// (JMSingle | JMGroup )
  @required String serverMessageId,
}) async {
  Map param = target.toJson();

  param..addAll({'messageId': serverMessageId});

  print("retractMessage: ${param.toString()}");

  await _channel.invokeMethod('retractMessage',
    param..removeWhere((key,value) => value == null));

  return;
}