recallMessage method

Future<bool?> recallMessage(
  1. String messageId
)

撤回发送的消息(增值服务), 默认时效为2分钟，超过2分钟无法撤回.

Implementation

Future<bool?> recallMessage(String messageId) async {
  Map req = {"msg_id": messageId};
  Map result = await _channel.invokeMethod(EMSDKMethod.recallMessage, req);
  EMError.hasErrorFromResult(result);
  return result.boolValue(EMSDKMethod.recallMessage);
}