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    Last updated: 2024-02-06 17:50:42
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      Overview

      Group member management includes pulling the member list, muting group members, removing group members, granting permissions, and transferring the group ownership, which can be implemented through the methods in the TencentImSDKPlugin.v2TIMManager.getGroupManager() core class.
      

      Getting the Group Member List

      Call getGroupMemberList to get the list of members in a specified group. This list contains the profile information of each member, such as user ID (userID), group name card (nameCard), profile photo (faceUrl), nickname (nickName), and time for joining the group (joinTime).
      As a group might have a large number of members (for example, over 5,000), this API supports two advanced features: pulling by filter (filter) and pulling by page (nextSeq).

      Filter (filter)

      When calling the getGroupMemberList API, you can specify filter to pull the list of the information of specified roles.
      Filter
      Type
      GroupMemberFilterTypeEnum.V2TIM_GROUP_MEMBER_FILTER_ALL
      Pull the list of the information of all the group members
      GroupMemberFilterTypeEnum.V2TIM_GROUP_MEMBER_FILTER_OWNER
      Pull the list of the information of the group owner
      GroupMemberFilterTypeEnum.V2TIM_GROUP_MEMBER_FILTER_ADMIN
      Pull the list of the information of the group admin
      GroupMemberFilterTypeEnum.V2TIM_GROUP_MEMBER_FILTER_COMMON
      Pull the information list of ordinary group members
      Sample code:
      // Use the `filter` parameter to specify only the profile of the group owner is to be pulled
      groupManager.getGroupMemberList(count: 10,filter: GroupMemberFilterTypeEnum.V2TIM_GROUP_MEMBER_FILTER_ADMIN,nextSeq: '0',offset: 0,groupID: "",);

      Pulling by page (nextSeq)

      In many cases, only the first page of the group member list, not the information of all the group members, needs to be displayed on the user UI. More group members need to be pulled only when the user clicks Next Page or pulls up the list page. In this case, you can use pulling by page.
      Directions for pulling by page:
      1. When you call getGroupMemberList for the first time, set nextSeq to 0 (indicating to pull the group member list from the beginning). Up to 50 group member objects can be pulled at a time.
      2. After the group member list is pulled successfully for the first time, the V2TIMGroupMemberInfoResult callback of getGroupMemberList will contain nextSeq (field for the next pull):
      If nextSeq is 0, all the group members have been pulled.
      If group_get_memeber_info_list_result_next_seq is greater than 0, there are more group members that can be pulled. This doesn't mean that the next page of the member list will be pulled immediately. In common communications software, a paged pull is often triggered by a swipe operation.
      3. When the user continues to pull up the group member list, if there are more members that can be pulled, you can continue to call the getGroupMemberList API and pass in the nextSeq parameter (the value is from the V2TIMGroupMemberInfoResult object returned by the last pull) for the next pull.
      4. Repeat [step 3] until nextSeq is 0.
      Sample code:
      // Use the `filter` parameter to specify only the profile of the group owner is to be pulled
      groupManager.getGroupMemberList(count: 10,filter: GroupMemberFilterTypeEnum.V2TIM_GROUP_MEMBER_FILTER_ADMIN,nextSeq: '0',offset: 0,groupID: "",);
      

      Muting group members

      Muting a specified group member

      The group owner or admin can call muteGroupMember to mute a specified group member and set the muting period in seconds. The muting information is stored in the muteUtil attribute of the group member.
      After a group member is muted, all the group members (including the muted member) will receive the onMemberInfoChanged callback.

      Muting the entire group

      The group owner or admin can also call the setGroupInfo API to mute the entire group by setting the allMuted attribute to true. The entire group can be muted for an unlimited period of time and needs to be unmuted through setAllMuted(false) of the group profile.
      Note:
      Muting all the group members will trigger the onGroupInfoChanged callback. This feature is disabled by default and can be enabled in the console. Directions: Go to the Group configuration module in the IM console, select Group system notification configuration, click Edit in the Operation column, and modify Notification of muting all change.
      Sample code:
      // Mute the group member `userB` for ten minutes
      groupManager.muteGroupMember(groupID: '',userID: 'userB',seconds: 10);
      
      // Mute all members
      groupManager.setGroupInfo(info: V2TimGroupInfo(isAllMuted: true,groupID: '',groupType: 'Public'));
      
      TencentImSDKPlugin.v2TIMManager.addGroupListener(listener: V2TimGroupListener(onMemberInfoChanged: (groupID, v2TIMGroupMemberChangeInfoList) {
          // The group member information is changed.
        },
        onGroupInfoChanged: (groupID,info){
          // Group profile modification
        }
        ));
      Note:
      Only the group owner can mute the admin.
      

      Removing Group Members

      The group owner or admin can call the kickGroupMember API to remove a specified ordinary group member from the group.
      After the ordinary group member is removed, all the members (including the removed member) will receive the onMemberKicked callback.
      As an audio-video group (AVChatRoom) can be joined freely, there is no API for removing a group member from an audio-video group (AVChatRoom). You can use muteGroupMember to mute a specified member to implement similar controls. For detailed directions, see muteGroupMember.
      Note:
      Only the group owner can remove the admin from the group.
      Sample code:
      groupManager.kickGroupMember(groupID: '',memberList: []);

      Setting an Admin

      The group owner can call setGroupMemberRole to set a group member in a public group (Public) or meeting group (Meeting) as the admin.
      An ordinary member set as the admin has the admin permission to perform the following operations:
      Modify the basic group profile.
      Remove an ordinary member from the group
      Mute an ordinary member (prevent the member from speaking during a specified period of time)
      Approve a request to join the group
      For more information, see Group Member Roles.
      After an ordinary member is set as the admin, all the members (including the ordinary member) will receive the onGrantAdministrator callback.
      After the ordinary member is unset as the admin, all the members (including the ordinary member) will receive the onRevokeAdministrator callback.
      Sample code:
      groupManager.setGroupMemberRole(groupID: '',userID: '',role: GroupMemberRoleTypeEnum.V2TIM_GROUP_MEMBER_ROLE_ADMIN);
      
      // Listen for the role change
      TencentImSDKPlugin.v2TIMManager.addGroupListener(listener: V2TimGroupListener(onMemberInfoChanged: (groupID, v2TIMGroupMemberChangeInfoList) {
      
        },
        onGroupInfoChanged: (groupID,info){
      
        },
        onGrantAdministrator: (String groupID, V2TimGroupMemberInfo info, List<V2TimGroupMemberInfo> infolist){},
        onRevokeAdministrator: (String groupID, V2TimGroupMemberInfo info, List<V2TimGroupMemberInfo> infolist){},
        ));
      

      Transferring Group Ownership

      The group owner can call transferGroupOwner to transfer the group ownership to a group member.
      After the group ownership is transferred, all the group members will receive the onGroupInfoChanged callback. Here, the type of V2TIMGroupChangeInfo is V2TIMGroupChangeInfo.V2TIM_GROUP_INFO_CHANGE_TYPE_OWNER, and the value is the UserID of the new group owner.
      Sample code:
      groupManager.transferGroupOwner(groupID: "", userID: "userID");

      Getting the Number of Online Group Members

      Call getGroupOnlineMemberCount to get the number of online group members.
      Note:
      1. Currently, only the number of online members in an audio-video group (AVChatRoom) can be obtained.
      2. This API can be called once every 60 seconds in the SDK.
      Sample code:
      groupManager.getGroupOnlineMemberCount(groupID: '');
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