getGroupWithId method

Future<EMGroup?> getGroupWithId(
  1. String groupId
)

~english Gets the group instance, creates it if it does not exist.

Param groupId The group ID.

Returns The group instance.

Throws Exception description, see EMError. ~end

~chinese 获取群组实例，如果不存在则创建。

Param groupId 群组 ID。

Return 群组实例。

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<EMGroup?> getGroupWithId(String groupId) async {
  try {
    Map req = {'groupId': groupId};
    Map result = await Client.instance.groupManager
        .callNativeMethod(ChatMethodKeys.getGroupWithId, req);
    EMError.hasErrorFromResult(result);
    if (result.containsKey(ChatMethodKeys.getGroupWithId)) {
      return EMGroup.fromJson(result[ChatMethodKeys.getGroupWithId]);
    } else {
      return null;
    }
  } catch (e) {
    rethrow;
  }
}