createAccount method

Future<void> createAccount(String userId, String password)

~english Registers a new user.

Param userId The user Id. The maximum length is 64 characters. Ensure that you set this parameter. Supported characters include the 26 English letters (a-z), the ten numbers (0-9), the underscore (_), the hyphen (-), and the English period (.). This parameter is case insensitive, and upper-case letters are automatically changed to low-case ones. If you want to set this parameter as a regular expression, set it as ^a-zA-Z0-9_-+$.

Param password The password. The maximum length is 64 characters. Ensure that you set this parameter.

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

~chinese 创建账号。

Param userId 用户 ID，长度不超过 64 个字符。请确保你对该参数设值。支持的字符包括英文字母（a-z），数字（0-9），下划线（_），英文横线（-），英文句号（.）。该参数不区分大小写，大写字母会被自动转为小写字母。如果使用正则表达式设置该参数，则可以将表达式写为：^a-zA-Z0-9_-+$。请确保同一个 app 下，userId 唯一；userId 用户 ID 是会公开的信息，请勿使用 UUID、邮箱地址、手机号等敏感信息。

Param password 密码，长度不超过 64 个字符。请确保你对该参数设值。

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> createAccount(String userId, String password) async {
  EMLog.v('create account: $userId : $password');
  Map req = {'username': userId, 'password': password};
  Map result =
      await ClientChannel.invokeMethod(ChatMethodKeys.createAccount, req);
  try {
    EMError.hasErrorFromResult(result);
  } on EMError catch (e) {
    throw e;
  }
}