recallMessage method

Future<void> recallMessage(
  1. String messageId, {
  2. String? ext,
})

~english Recalls the sent message.

Param messageId The message ID.

Throws A description of the exception. See EMError. ~end

~chinese 撤回发送成功的消息。

Param messageId 消息 ID。

Throws 如果有异常会在这里抛出，包含错误码和错误描述，详见 EMError。 ~end

Implementation

Future<void> recallMessage(String messageId, {String? ext}) async {
  try {
    Map req = {"msgId": messageId};
    req.putIfNotNull('ext', ext);
    Map result = await Client.instance.chatManager
        .callNativeMethod(ChatMethodKeys.recallMessage, req);
    EMError.hasErrorFromResult(result);
  } catch (e) {
    rethrow;
  }
}