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    Features

    Last updated: 2024-09-05 09:00:54
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      Supported platforms

      The following platforms can communicate with each other and provide services across devices and platforms.
      Platform
      SDK and Compatibility
      Demo
      Source Code
      UI Component
      Android
      Compatible with JDK 1.6 and Android SDK version 14 and later
      Supported
      -
      Supported
      iOS
      Compatible with iOS 8.0 and later
      Supported
      -
      Supported
      Mac
      Compatible with OS X 10.10 and later
      Supported
      -
      -
      Windows
      C and C++ are included. Compatible with Windows 7, Windows 8 and 8.1, Windows 10, and Windows 11. Both 32-bit and 64-bit programs can be connected.
      -
      -
      -
      Web
      Supports Internet Explorer 11+, Chrome 7+, Firefox 3.6+, Opera 12+ and Safari 6+
      Supported
      -
      Supported
      H5
      Supported
      Supported
      -
      Supported
      Mini Program
      Supported
      Supported
      -
      Supported
      uni-app
      Supported
      Supported
      -
      Supported
      Unity
      Supports 2020.2.7f1c1 or later
      Supported
      -
      -
      Flutter
      Flutter 2 and Dart 2.12 or later support Android/iOS/web/macOS/Windows
      Supported
      Supported
      Electron
      Supported
      Supported
      -
      -

      Global access

      Feature Type
      Description
      Global access overview
      Chat provides highly reliable and secure network connections with global coverage. With its proprietary multi-level optimal addressing algorithm, Chat can perform scheduling across the entire network. When terminals log in from outside the Chinese mainland, Chat SDK connects to the nearest access nodes or cache nodes.
      China
      South China, North China, East China, Hong Kong, and Taiwan
      Global
      Asia: Japan, South Korea, Singapore, Thailand, Malaysia, Vietnam, Philippines, UAE, Indonesia
      Europe: Germany, United Kingdom, France, Russia, Italy, Norway, Spain, Netherlands
      North America: United States, Canada, Mexico
      South America: Brazil
      Oceania: Australia
      Africa: South Africa, Nigeria, etc.

      Account features

      Feature Type
      Description
      Importing accounts
      Imports accounts in batches.
      Deactivating accounts
      Invalidates UserSigs.
      Deleting accounts
      Deletes accounts in batches.
      User online status
      Manage the online and offline statuses after users log in
      Query accounts
      Batch check whether accounts are imported

      Multi-device login

      Feature Type
      Description
      Single-platform
      A user can be online on only one of the following platforms: Android, iPhone, iPad, Windows, Mac, and web.
      Dual-platform (default)
      A user can be concurrently online on the web platform and one of the following platforms: Android, iPhone, iPad, Windows, and Mac.
      Triple-platform
      A user can be concurrently online on three platforms: web + Android/iPhone/iPad + Windows/Mac.
      Multi-platform
      A user can be concurrently online on all platforms: Android, iPhone, iPad, Windows, Mac, and web.
      Note
      You can configure multi-device login by logging in to the Chat console and clicking App Configuration for the target app to open the Feature Configuration page.

      Message types

      Feature Type
      Description
      Text
      The message content is plain text.
      Image
      The message content includes the URL, dimensions, and size of the image.
      Emoji
      Emoji messages are customized by developers.
      Audio
      Audio data must include the duration in seconds.
      Location
      The message content contains the caption, longitude, and latitude of the location.
      File
      The message content includes the URL, size, and format of the file. There are no file format restrictions, and the maximum supported file size is 100 MB.
      Short video
      The message content includes the URL, duration, size, and format of the video file. The maximum supported file size is 100 MB.
      Custom
      Message types that are customized by developers, such as red packet and rock-paper-scissor.
      System notification
      This type of message is divided into built-in system notification messages and system notification messages customized by developers.
      Group tips
      System messages pushed when a member joins or leaves a group, group description is modified, group member profile changes, etc.
      Combined messages
      Up to 300 messages can be combined.

      Message features

      Feature Type
      Description
      Message download
      The app admin can obtain all one-to-one or group messages for a specified hour of a specified day in the past 7 days through this API.
      Offline messages
      Chat supports offline push when a user logs in, the app switches to work in the background, and other users send messages.
      Roaming messages
      When a user logs in on a new device, the historical message storage recorded (on the cloud) by the server is synchronized to the new device. Roaming messages are stored for 7 days by default. You can pay to increase the roaming message storage period.
      Multi-device synchronization
      Messages can be synced across multiple devices so that they can be received at the same time.
      Historical messages
      Both local and cloud historical messages are supported.
      Recall messages
      Recall a message that has been delivered successfully. By default, messages that were delivered more than 2 minutes ago cannot be recalled. Only one-to-one and group chat messages can be recalled. Messages sent in audio-video chat rooms (AVChatRooms) cannot be recalled.
      Read receipts
      Users can check if messages have been read in a one-to-one chat.
      Message forwarding
      Users can forward messages to other users or groups.
      @ feature
      There is no essential difference between an in-group @ message and an ordinary message, although the user specified by @ will see a special UI effect.
      Typing status indicator
      This feature can be implemented in online messaging scenarios.
      Offline push
      Apple APNs, Xiaomi push, Huawei push, Meizu push, OPPO push, vivo push, and Google FCM push are supported.
      Delete messages
      Use the remove method for messages to delete messages locally.
      Red packets
      Red packet messages are similar to @ messages and can be implemented through TIMCustomElem.
      Push to all users
      A set of RESTful APIs based on the Chat communication architecture to enable push to all users, push by tag, and push by attribute in an app. You can integrate the client with the SDK for capabilities such as online push, offline push (Android background notification and APNs), and message receiving.
      Local message search
      Support searching for friends, searching for groups/group members, and searching for messages and grouping them by conversation.

      Profile features

      Feature Type
      Description
      Set user profiles
      Users can set information including the nickname, verification method, profile photo, gender, age, status, and location.
      Obtain user profiles
      Users can view their own profiles and the profiles of friends and strangers.
      Obtain user information by fields
      This feature can obtain user information based on specific fields.
      Custom user information
      Up to 20 custom user profile fields are supported.

      Relationship chain features

      Feature Type
      Description
      Search for friends
      Search for a friend by account ID.
      Friend requests
      Specify whether a request reason is required. The default is no.
      Add friends
      Send friend requests.
      Import friends
      Support importing one-way friends in batches.
      Update friends
      Support updating the relationship chain data of multiple friends of a user at a time.
      Delete friends
      Friends can be deleted after they are added to the contact list.
      Obtain all friends
      This feature can obtain all friends. Only basic information of friends is pulled by default.
      Accept/Reject friend requests
      Accept or reject a friend request after receiving a friend request system notification.
      Add to the blocklist
      Blocklist any user. If you blocklist friends, you also unfriend them.
      Remove from the blocklist
      Remove a user from the blocklist.
      Obtain the blocklist
      Pull the blocklist of users.
      Friend remarks
      Add remarks for a friend.
      Set custom friend profile fields
      Up to 20 custom fields are allowed.
      Create a friend list
      When creating a list, you can choose who goes to the list. A user can be added to multiple lists.
      Delete a friend list
      Delete a friend list.
      Verify friends
      Support verifying multiple friends at a time.
      Verify users on a blocklist
      Support verifying multiple users at a time.
      Add a friend to a list
      Add a friend to a list.
      Delete a friend from a friend list
      Remove a friend from a friend list.
      Rename a friend list
      Rename a friend list.
      Obtain friend list information
      Obtain a specific friend list.
      Obtain all friend lists
      Obtain the information of all friend lists. This can also be achieved by obtaining all friends.
      Relationship chain storage
      The SDK can store relationship chain information.
      System notifications on friend profile changes
      When a friend’s profile changes, you will receive a system notification.
      System notification on relationship chain changes
      When a relationship chain change occurs, you will receive a system notification.

      Group features

      Based on common use cases, Chat has set the following default group types:
      A work group (Work) allows users to join the group by being invited by a friend who is a member of the group. The invitation does not need to be accepted by the invitee or approved by the group owner.
      A public group (Public) allows the group owner to designate group admins. To join the group, a user needs to search for the group ID and send a request, and the request needs to be approved by the group owner or an admin before the user can join the group.
      A meeting group (Meeting) allows users to join and exit freely and supports viewing message history from before the user joined the group. Meeting groups are ideal for scenarios that integrate Tencent Real-Time Communication (TRTC), such as audio and video conferences and online education.
      An audio-video group (AVChatRoom) allows users to join and exit freely, supports an unlimited number of members, and does not store message history. Livestreaming groups can be used with Live Video Broadcasting (LVB) to support on-screen comment chat scenarios.
      A community group (Community) allows users to join and exit freely, supports up to 100,000 members, and stores message history. To join the group, a user needs to search for the group ID and send an application, and the application does not need to be approved by an admin before the user can join the group.
      Note
      Community is a new powerful tool for entertainment collaboration. Within the same community, a high number of members can be divided into different groups and topics to separate messages for hierarchical communication, yet they can also share the same set of friend relationships. This helps you develop a unique path of social expansion. The community feature is suitable for diverse use cases, such as finding like-minded people, game-based social networking, fan marketing, and organization management.
      Community: The community feature is supported by a client with the SDK enhanced edition v5.8.1668 or later and the web SDK v2.17.0 or later. To use it, you need to purchase the Premium edition, and then enable it via console > Feature Configuration > Group configuration > Group feature configuration > Community.
      The following table compares the default features of each group type:
      Feature
      Work
      Public
      Meeting
      AVChatRoom
      Community
      Maximum number of members
      Developer edition: 20 per group
      Standard edition: 200 per group by default; can be increased to 2,000 per group
      Premium edition: 2,000 per group by default; can be increased to 6,000
      Developer edition: 20 per group
      Standard edition: 200 per group by default; can be increased to 2,000 per group
      Premium edition: 2,000 per group by default; can be increased to 6,000
      Developer edition: 20 per group
      Standard edition: 200 per group by default; can be increased to 2,000 per group
      Premium edition: 2,000 per group by default; can be increased to 6,000
      Unlimited
      Developer edition and Standard edition: not supported. Premium edition: 100,000 per group by default
      Permission to modify a group profile
      Group members
      Group owner
      App admins
      Group admins
      Group owner
      App admins
      Group owner
      App admins
      Group owner
      App admins
      Group admins
      Group owner
      App admins
      Member lists
      Show all
      Show all
      Show all
      Not show
      Show all
      Permission to disband a group
      App admins
      Group owner
      App admins
      Group owner
      App admins
      Group owner
      App admins
      Group owner
      App admins
      Request to join a group
      Not supported
      Supported
      Supported
      Supported
      Supported
      Membership request approval
      Not supported
      Required
      Not required
      Not required
      Not required
      Inviting others to a group
      Confirmation from the invitee is not required.
      Not supported
      Not supported
      Not supported
      Confirmation from the invitee is not required.
      Group owner leaving the group
      Supported
      Not supported
      Not supported
      Not supported
      Not supported
      Setting admins
      Not supported
      Supported
      Supported
      Not supported
      Supported
      Removing members from a group
      Group owner
      App admins
      Group admins
      Group owner
      App admins
      Group admins
      Group owner
      App admins
      Not supported
      Group admins
      Group owner
      App admins
      Historical message storage
      Supported
      Supported
      Supported
      Not supported
      Supported
      Viewing roaming messages from before the user joined the group
      Disabled by default. This feature can be configured in the console.
      Disabled by default. This feature can be configured in the console.
      Enabled by default. This feature can be configured in the console.
      Not supported
      Enabled by default. This feature can be configured in the console.
      Group member change notifications
      A notification will be pushed and stored on the roaming server by default when a user is invited to a group, asks other users to join a group, is kicked out of a group, or leaves a group. This feature can be configured in the console.
      A notification will be pushed and stored on the roaming server by default when a user is invited to a group, asks other users to join a group, is kicked out of a group, or leaves a group. This feature can be configured in the console.
      A notification is **disabled by default** when a user is invited to a group, asks other users to join a group, is kicked out of a group, or leaves a group. This feature can be configured in the console.
      A notification will be pushed but not stored on the roaming server when a user is invited to a group, asks other users to join a group, is kicked out of a group, or leaves a group.
      A notification will be pushed and stored on the roaming server by default when a user is invited to a group, asks other users to join a group, is kicked out of a group, or leaves a group. This feature can be configured in the console.
      Group profile change notifications
      A notification will be pushed and stored on the roaming server by default when the group name, group notifications, group introduction, group profile photo, or group owner is changed, and a notification is disabled by default when group muting or the group joining application method is changed. This feature can be configured in the console.
      A notification will be pushed and stored on the roaming server by default when the group name, group notifications, group introduction, group profile photo, or group owner is changed, and a notification is disabled by default when group muting or the group joining application method is changed. This feature can be configured in the console.
      A notification will be pushed and stored on the roaming server by default when the group name, group notifications, group introduction, group profile photo, or group owner is changed, and a notification is disabled by default when group muting or the group joining application method is changed. This feature can be configured in the console.
      A notification will be pushed but **not stored** on the roaming server when the group name, group notifications, group introduction, group profile photo, or group owner is changed, and a notification is disabled when group muting or the group joining application method is changed.
      A notification will be pushed and stored on the roaming server by default when the group name, group notifications, group introduction, group profile photo, or group owner is changed, and a notification is disabled by default when group muting is changed. This feature can be configured in the console .For a community group, the group joining application method cannot be modified, and therefore no related notification is involved.
      Group member profile change notifications
      A notification will be pushed and stored on the roaming server by default when the group muting or group admin is changed. This feature can be configured in the console.
      A notification will be pushed and stored on the roaming server by default when the group muting or group admin is changed. This feature can be configured in the console.
      A notification is **disabled by default** when the group muting or group admin is changed. This feature can be configured in the console.
      A notification is **disabled by default** when the group muting or group admin is changed. This feature can be configured in the console.
      A notification will be pushed and stored on the roaming server by default when the group muting or group admin is changed. This feature can be configured in the console.
      Group activation
      Activate via messages.
      Not required
      Not required
      Not required
      Not required
      Muting members
      Not supported
      Supported
      Supported
      Supported
      Supported
      Unread message count
      Supported
      Supported
      Not supported
      Not supported
      Supported
      Default message receiving option
      Receive online and offline pushed messages.
      Receive online and offline pushed messages.
      Receive only online pushed messages.
      Receive only online pushed messages.
      Receive online and offline pushed messages.
      Importing groups
      Supported
      Supported
      Supported
      Not supported
      Supported

      Chat console

      You can log in to Tencent Cloud Chat console to configure the app based on your needs.
      Feature Type
      Description
      App creation
      Create an app.
      App upgrade
      Upgrade the plan.
      SDK download
      Download the client SDK.
      App configuration
      Configure the app.
      Statistical analysis
      View operations data.
      Callback configuration
      Third-party callback.
      Feature configuration
      Add custom fields and online instances.
      Group management
      Add, modify, and delete groups; manage group members; send messages.
      Developer tool
      Generate UserSig on the webpage.

      Statistics

      The statistics and analytics feature in the Chat console allows you to view operations data in various dimensions.
      Statistic Type
      Description
      Active users
      View the number of users (deduplicated) that have connected to and interacted with the server.
      New registered users
      View the number of newly registered users.
      Total registered users
      View the total number of registered users.
      Upstream messages
      Specify a time period and view the number of upstream messages.
      Message senders
      Specify a time period and view the number of message senders.
      Peak concurrent online users
      Specify a time period and view the number of concurrent online users.
      One-to-one upstream messages
      Specify a time period and view the number of one-to-one upstream messages.
      One-to-one message senders
      Specify a time period and view the number of one-to-one message senders.
      Group upstream messages
      Specify a time period and view the number of group upstream messages.
      Group message senders
      Specify a time period and view the number of group message senders.
      Message sending groups
      Specify a time period and view the number of groups that send messages.
      New groups
      Specify a time period and view the number of new groups.
      Total groups
      Specify a time period and view the total number of groups.
      Data export
      Specify a time period and export data.

      Real-time monitoring

      The statistics and analytics feature in the Chat console allows you to view operations data in various dimensions.
      Statistic Type
      Description
      Current online users
      Number of online users in real time
      One-to-one messages today
      Total number of one-to-one messages of the current day
      Ordinary group messages today
      Number of non-audio-video group messages of the current day
      Audio-video group messages today
      Number of audio-video group messages of the current day

      Private deployment

      Private deployment allows an enterprise to deploy systems directly to its own servers and save data locally. Chat provides the private deployment feature to assist enterprises in the deployment, implementation, and OPS of the private version.
      Note
      To apply for the Chat private service, you need to log in with your root account of Tencent Cloud.
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