FAQ

The chatroom provides developers with a set of lightweight in-room chat products. Compared to group mode, the chatroom is a more loose and open form, similar to a plaza. Users may freely join or leave, as there is neither a strict access mechanism nor a fixed member organization structure. Users can receive chatroom content upon joining, and cannot receive chatroom content after exiting.

General Questions

1. How many people can be online in a single chatroom at the same time?

Millions.

The chatroom server has a scalable, flexible structure design that has successfully supported millions of simultaneous online users in repeated tests. If an app developer has sudden need to hold a major event, they need only make a quick report to activate immediate capacity expansion.

2. Does the chatroom support overseas service?

Yes, it does.

Jocloud chatroom has global deployment capabilities, dividing the world into several regions and serving each independently. Developers can specify user access region with HMRSetChatRoomRegion to improve user experience.

3. Does the chatroom server save service data?

No.

The chatroom does not provide user system and service data hosting services. User data—such as alias, portrait, and chatroom messages—are stored on the developer’s business server.

4. How to send multimedia messages in the chatroom, such as images, voice, and video?

Currently, the chatroom supports string-type messages. A multimedia file can be uploaded to a cloud storage server; once a URL address is generated, you can send it to other members of the chatroom. Once other members receive the URL, the multimedia will load and display.

Technical Questions

1. What platforms does the chatroom support?

Currently, the chatroom supports Android, iOS, Windows (C++), and Web SDKs.

2. Is Electron chatroom available?

No. But developers can access Web SDK through Electron.

3. Is there support for one-to-one private chat?

Currently, one-to-one private chat is supported within chatrooms, but not outside chatrooms.

4. Does the chatroom support role configuration?

Yes, it does.

There are two types of user attributes available for use in the chatroom:

  • Pre-defined roles: The chatroom owner can assign an Admin role to other chatroom members through the “addRole” API. “Owner” and “Admin” have chatroom management permissions, so are able to mute members, remove members, etc.
  • Customized roles: You can use the “setUserInfo” API to customize roles and obtain user information lists. The service can then control chatroom operations logically according to user roles.

5. Does role configuration retain validity after users exit the room?

No.

Chatroom-configured user attributes are only valid within the current chatroom, and are cleared upon exiting. If a user re-joins the chatroom, their role will need to be reconfigured. To save chatroom and role attributes, the developer needs to record mapping relationships on their side.

6. Does the chatroom support weak network environments?

7. How does the chatroom’s automatic reconnection mechanism work?

8. Are developers allowed to change the chatroom’s time-out period?

9. Does the chatroom support encryption?

Yes, it does.

Developers can use the Callback Authentication function to implement the encryption function of the chatroom. Set callback address in “User Center” After setting “callback authentication,” each time a user joins the chatroom, the chatroom server calls the business server to check user access permission.

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