Detailed Description

Advanced group APIs, including APIs for advanced group features such as group member invitation and group joining request

Public Member Functions
abstract void	createGroup (V2TIMGroupInfo info, List< V2TIMCreateGroupMemberInfo > memberList, V2TIMValueCallback< String > callback)

abstract void	getJoinedGroupList (V2TIMValueCallback< List< V2TIMGroupInfo >> callback)

abstract void	getGroupsInfo (List< String > groupIDList, V2TIMValueCallback< List< V2TIMGroupInfoResult >> callback)

abstract void	searchGroups (V2TIMGroupSearchParam searchParam, V2TIMValueCallback< List< V2TIMGroupInfo >> callback)

abstract void	searchCloudGroups (V2TIMGroupSearchParam searchParam, V2TIMValueCallback< V2TIMGroupSearchResult > callback)

abstract void	setGroupInfo (V2TIMGroupInfo info, V2TIMCallback callback)

abstract void	initGroupAttributes (String groupID, HashMap< String, String > attributes, V2TIMCallback callback)

abstract void	setGroupAttributes (String groupID, HashMap< String, String > attributes, V2TIMCallback callback)

abstract void	deleteGroupAttributes (String groupID, List< String > keys, V2TIMCallback callback)

abstract void	getGroupAttributes (String groupID, List< String > keys, V2TIMValueCallback< Map< String, String >> callback)

abstract void	getGroupOnlineMemberCount (String groupID, V2TIMValueCallback< Integer > callback)

abstract void	setGroupCounters (String groupID, HashMap< String, Long > counters, V2TIMValueCallback< Map< String, Long >> callback)

abstract void	getGroupCounters (String groupID, List< String > keys, V2TIMValueCallback< Map< String, Long >> callback)

abstract void	increaseGroupCounter (String groupID, String key, long value, V2TIMValueCallback< Map< String, Long >> callback)

abstract void	decreaseGroupCounter (String groupID, String key, long value, V2TIMValueCallback< Map< String, Long >> callback)

abstract void	getGroupMemberList (String groupID, int filter, long nextSeq, V2TIMValueCallback< V2TIMGroupMemberInfoResult > callback)

abstract void	getGroupMembersInfo (String groupID, List< String > memberList, V2TIMValueCallback< List< V2TIMGroupMemberFullInfo >> callback)

abstract void	searchGroupMembers (V2TIMGroupMemberSearchParam param, V2TIMValueCallback< HashMap< String, List< V2TIMGroupMemberFullInfo >>> callback)

abstract void	searchCloudGroupMembers (V2TIMGroupMemberSearchParam param, V2TIMValueCallback< V2TIMGroupMemberSearchResult > callback)

abstract void	setGroupMemberInfo (String groupID, V2TIMGroupMemberFullInfo info, V2TIMCallback callback)

abstract void	muteGroupMember (String groupID, String userID, int seconds, V2TIMCallback callback)

abstract void	muteAllGroupMembers (String groupID, boolean isMute, V2TIMCallback callback)

abstract void	inviteUserToGroup (String groupID, List< String > userList, V2TIMValueCallback< List< V2TIMGroupMemberOperationResult >> callback)

abstract void	kickGroupMember (String groupID, List< String > memberList, String reason, int duration, V2TIMValueCallback< List< V2TIMGroupMemberOperationResult >> callback)

abstract void	setGroupMemberRole (String groupID, String userID, int role, V2TIMCallback callback)

abstract void	markGroupMemberList (String groupID, List< String > memberIDList, int markType, boolean enableMark, V2TIMCallback callback)

abstract void	transferGroupOwner (String groupID, String userID, V2TIMCallback callback)

abstract void	kickGroupMember (String groupID, List< String > memberList, String reason, V2TIMValueCallback< List< V2TIMGroupMemberOperationResult >> callback)

abstract void	getGroupApplicationList (V2TIMValueCallback< V2TIMGroupApplicationResult > callback)

abstract void	acceptGroupApplication (V2TIMGroupApplication application, String reason, V2TIMCallback callback)

abstract void	refuseGroupApplication (V2TIMGroupApplication application, String reason, V2TIMCallback callback)

abstract void	setGroupApplicationRead (V2TIMCallback callback)

abstract void	getJoinedCommunityList (V2TIMValueCallback< List< V2TIMGroupInfo >> callback)

abstract void	createTopicInCommunity (String groupID, V2TIMTopicInfo topicInfo, V2TIMValueCallback< String > callback)

abstract void	deleteTopicFromCommunity (String groupID, List< String > topicIDList, V2TIMValueCallback< List< V2TIMTopicOperationResult >> callback)

abstract void	setTopicInfo (V2TIMTopicInfo topicInfo, V2TIMCallback callback)

abstract void	getTopicInfoList (String groupID, List< String > topicIDList, V2TIMValueCallback< List< V2TIMTopicInfoResult >> callback)

Member Function Documentation

◆ createGroup()

abstract void createGroup	(	V2TIMGroupInfo	info,
		List< V2TIMCreateGroupMemberInfo >	memberList,
		V2TIMValueCallback< String >	callback
	)

abstract

1.1 Create a custom group (the advanced version API allows you to specify initial group members)

Parameters

info	Custom group information, including the groupID, groupType, groupName, notification, introduction, and faceURL fields
memberList	Specify initial group members (Audio-video groups do not support specifying initial group members. Pass in null for memberList.)

Attention

Limited by backgroud service, the number of memberList must be less than or equal to 20.
For other limits, please see V2TIMManager.createGroup remarks.

◆ getJoinedGroupList()

abstract void getJoinedGroupList ( V2TIMValueCallback< List< V2TIMGroupInfo >> callback )

abstract

1.2 Get the list of groups that the current user has joined

Attention

Audio-video groups (AVChatRoom) do not support this API.
This API implements frequency limit checks. It can be called by the SDK for up to 10 times per second. When the limit is exceeded, the error ERR_SDK_COMM_API_CALL_FREQUENCY_LIMIT (7008) is reported.

◆ getGroupsInfo()

abstract void getGroupsInfo	(	List< String >	groupIDList,
		V2TIMValueCallback< List< V2TIMGroupInfoResult >>	callback
	)

abstract

2.1 Pull group profiles

Parameters

groupIDList List of group IDs

◆ searchGroups()

abstract void searchGroups	(	V2TIMGroupSearchParam	searchParam,
		V2TIMValueCallback< List< V2TIMGroupInfo >>	callback
	)

abstract

2.2 Search for local group profiles (supported only in Chat Premium 5.4.666 and later versions)

Parameters

searchParam Search parameters

◆ searchCloudGroups()

abstract void searchCloudGroups	(	V2TIMGroupSearchParam	searchParam,
		V2TIMValueCallback< V2TIMGroupSearchResult >	callback
	)

abstract

2.3 Search for cloud group profiles (supported only in 8.4 and later versions)

Parameters

searchParam Group search parameter. For details, see the definition of V2TIMGroupSearchParam.

Attention

This feature is a value-added service of Group. Please refer to the pricing details for more information.
If you have not activated this service, calling the interface will return error code 60020.

◆ setGroupInfo()

abstract void setGroupInfo	(	V2TIMGroupInfo	info,
		V2TIMCallback	callback
	)

abstract

2.4 Modify group profiles

◆ initGroupAttributes()

abstract void initGroupAttributes	(	String	groupID,
		HashMap< String, String >	attributes,
		V2TIMCallback	callback
	)

abstract

2.5 Initialize group attributes (this operation will clear the existing group attribute list)

Attention

Use limits of attributes:

Group attribute is supported only for audio-video groups (AVChatRoom) by 6.7 and earlier versions.
Group attribute is supported for 4 group types (AVChatRoom, Public, Meeting, Work groups) in 6.8 and later versions.
Group attribute is supported for all group types except topics in 7.0 and later versions.
Up to 16 keys are supported, with a length limit of 32 bytes.
The length limit for value is 4 KB.
The total length limit for attributes (including keys and values) is 16 KB.
The combined SDK rate limit for the initGroupAttributes, setGroupAttributes, and deleteGroupAttributes APIs is 10 calls every 5 seconds. If the limit is exceeded, the 8511 error code will be returned. The combined backend rate limit for the APIs is 5 calls per second. If the limit is exceeded, the 10049 error code will be returned.
The getGroupAttributes API can be called by the SDK for up to 20 times per 5 seconds.
Starting from version 5.6, when you modify group attributes for the first time after the app is started, please call getGroupAttributes to pull the latest group attributes before you initiate the modification operation.
Starting from version 5.6, when multiple users modify the same group attributes at the same time, only the first user can execute successfully, and other users will receive the 10056 error code. After receiving this error code, please call getGroupAttributes to update the locally stored group attributes to the latest before you initiate the modification operation.

◆ setGroupAttributes()

abstract void setGroupAttributes	(	String	groupID,
		HashMap< String, String >	attributes,
		V2TIMCallback	callback
	)

abstract

2.6 Set group attributes. (If the group attributes already exist, their values are updated. Otherwise, the group attributes are added.)

Attention

Group attribute is supported only for audio-video groups (AVChatRoom) by 6.7 and earlier versions.
Group attribute is supported for 4 group types (AVChatRoom, Public, Meeting, Work groups) in 6.8 and later versions.
Group attribute is supported for all group types except topics in 7.0 and later versions.

◆ deleteGroupAttributes()

abstract void deleteGroupAttributes	(	String	groupID,
		List< String >	keys,
		V2TIMCallback	callback
	)

abstract

2.7 Delete specified group attributes (If null is passed in for keys, all group attributes are cleared.)

Attention

Group attribute is supported only for audio-video groups (AVChatRoom) by 6.7 and earlier versions.
Group attribute is supported for 4 group types (AVChatRoom, Public, Meeting, Work groups) in 6.8 and later versions.
Group attribute is supported for all group types except topics in 7.0 and later versions.

◆ getGroupAttributes()

abstract void getGroupAttributes	(	String	groupID,
		List< String >	keys,
		V2TIMValueCallback< Map< String, String >>	callback
	)

abstract

2.8 Get specified group attributes (If null is passed in for keys, all group attributes are obtained.)

Attention

Group attribute is supported only for audio-video groups (AVChatRoom) by 6.7 and earlier versions.
Group attribute is supported for 4 group types (AVChatRoom, Public, Meeting, Work groups) in 6.8 and later versions.
Group attribute is supported for all group types except topics in 7.0 and later versions.

◆ getGroupOnlineMemberCount()

abstract void getGroupOnlineMemberCount	(	String	groupID,
		V2TIMValueCallback< Integer >	callback
	)

abstract

2.9 Get the number of online members of a group

Attention

This API is only supported by audio-video groups(AVChatRoom) before IMSDK 7.3 version.
You can call this API for all kinds of groups in IMSDK 7.3 and later versions.

◆ setGroupCounters()

abstract void setGroupCounters	(	String	groupID,
		HashMap< String, Long >	counters,
		V2TIMValueCallback< Map< String, Long >>	callback
	)

abstract

2.10 Set group counters (supported only in 7.0 and later versions)

Attention

If the group counters already exist, their values will be updated. Otherwise, the group counters will be added.
If the group counters are set successfully, their information will be returned via the onSuccess callback.
Group counter is supported for all group types except community and topics.

◆ getGroupCounters()

abstract void getGroupCounters	(	String	groupID,
		List< String >	keys,
		V2TIMValueCallback< Map< String, Long >>	callback
	)

abstract

2.11 Get group counters (supported only in 7.0 and later versions)

Attention

If keys is empty or null, it means to obtain all counters in the group.
Group counter is supported for all group types except community and topics.

◆ increaseGroupCounter()

abstract void increaseGroupCounter	(	String	groupID,
		String	key,
		long	value,
		V2TIMValueCallback< Map< String, Long >>	callback
	)

abstract

2.12 Increase group counters (supported only in 7.0 and later versions)

Parameters

groupID	Group ID
key	The key of group counter
value	Increment of the group counter. The new value of the counter will be the old value plus this parameter (new_value = old_value + value).

Attention

The onSuccess callback will return the new value of the counter.
If the key specified already exists, its value will be increased. Otherwise, a key whose value is 0 will be added first, and then the value will be increased as specified.
Group counter is supported for all group types except community and topics.

◆ decreaseGroupCounter()

abstract void decreaseGroupCounter	(	String	groupID,
		String	key,
		long	value,
		V2TIMValueCallback< Map< String, Long >>	callback
	)

abstract

2.13 Decrease group counters (supported only in 7.0 and later versions)

Parameters

groupID	Group ID
key	The key of group counter
value	Decrement of the group counter. The new value of the counter will be the old value minus this parameter (new_value = old_value - value).

Attention

The onSuccess callback will return the new value of the counter.
If the key specified already exists, its value will be decreased. Otherwise, a key whose value is 0 will be added first, and then the value will be decreased as specified.
Group counter is supported for all group types except community and topics.

◆ getGroupMemberList()

abstract void getGroupMemberList	(	String	groupID,
		int	filter,
		long	nextSeq,
		V2TIMValueCallback< V2TIMGroupMemberInfoResult >	callback
	)

abstract

3.1 Get the group member list

Parameters

filter	Specify the group member type V2TIMGroupMemberFullInfo.V2TIM_GROUP_MEMBER_FILTER_ALL: all types V2TIMGroupMemberFullInfo.V2TIM_GROUP_MEMBER_FILTER_OWNER: group owner V2TIMGroupMemberFullInfo.V2TIM_GROUP_MEMBER_FILTER_ADMIN: group admin V2TIMGroupMemberFullInfo.V2TIM_GROUP_MEMBER_FILTER_COMMON: common group member
nextSeq	Pulling-by-page flag. Pass in 0 when the information is pulled for the first time. If the nextSeq returned by the onSuccess callback is not 0, the results are paginated, and you need to pass in the nextSeq returned and pull again. Repeat until the nextSeq returned becomes 0.

Attention

Restrictions for normal groups(Work, Meeting, Public):

The filter field can only be set to the value defined in V2TIMGroupMemberFullInfo, then you can get the members of the corresponding role.

Restrictions for audio-video groups(AVChatRoom):

If you set the filter to the value defined in V2TIMGroupMemberFullInfo, you will get all the members. The maximum number of members that can be obtained is 1,000. Newer members will appear at the top of the list. To use this feature, you need to upgrade to the Premium edition(supported only in 6.3 and later versions) and turn on "List of online audio-video group members" in the Chat console.
If you set the filter to custom markType defined by yourself, you can get the members of the corresponding markType in the Premium edition. Please refer to the API markGroupMemberList to mark group members.
After the app is restarted, please join the group again. Otherwise, the 10007 error code will be reported when you pull the group member list.
Only the following fields are supported in group member profiles: userID, nickName, faceURL, and role.

Restrictions for Community groups:
1. If you set the filter to the value defined in V2TIMGroupMemberFullInfo, you will get the the members of corresponding role.
2. If you set the filter to custom markType defined by yourself, you can get the members of the corresponding markType in the Premium Edition. Please refer to the API markGroupMemberList to mark group member list(supported only in 7.5 and later versions).

◆ getGroupMembersInfo()

abstract void getGroupMembersInfo	(	String	groupID,
		List< String >	memberList,
		V2TIMValueCallback< List< V2TIMGroupMemberFullInfo >>	callback
	)

abstract

3.2 Get the profiles of specified group members

◆ searchGroupMembers()

abstract void searchGroupMembers	(	V2TIMGroupMemberSearchParam	param,
		V2TIMValueCallback< HashMap< String, List< V2TIMGroupMemberFullInfo >>>	callback
	)

abstract

3.3 Search for local group members (supported only in Chat Premium 5.4.666 and later versions)

Parameters

param Search parameters

◆ searchCloudGroupMembers()

abstract void searchCloudGroupMembers	(	V2TIMGroupMemberSearchParam	param,
		V2TIMValueCallback< V2TIMGroupMemberSearchResult >	callback
	)

abstract

3.4 Search for cloud group members (supported only in 8.4 and later versions)

Parameters

searchParam Group member search parameter. For details, see the definition of V2TIMGroupMemberSearchParam.

Attention

This feature is a value-added service of Group. Please refer to the pricing details for more information.
If you have not activated this service, calling the interface will return error code 60020.

◆ setGroupMemberInfo()

abstract void setGroupMemberInfo	(	String	groupID,
		V2TIMGroupMemberFullInfo	info,
		V2TIMCallback	callback
	)

abstract

3.5 Modify the profiles of specified group members

◆ muteGroupMember()

abstract void muteGroupMember	(	String	groupID,
		String	userID,
		int	seconds,
		V2TIMCallback	callback
	)

abstract

3.6 Mute a specific group member (this API can be called by the admin or group owner)

Parameters

seconds Time period (seconds) during which the specified user will be muted.

◆ muteAllGroupMembers()

abstract void muteAllGroupMembers	(	String	groupID,
		boolean	isMute,
		V2TIMCallback	callback
	)

abstract

3.7 Mute all group members (supported only in 7.5 and later versions)

Parameters

groupID	Group ID
isMute	true means mute, false means unmute

Attention

Mute all group members indefinitely. You can set isMute to false to unmute all group members.
All group members will receive onAllGroupMembersMuted notification after this API is called successfully.
Only the group owner and admin can call this API.

◆ inviteUserToGroup()

abstract void inviteUserToGroup	(	String	groupID,
		List< String >	userList,
		V2TIMValueCallback< List< V2TIMGroupMemberOperationResult >>	callback
	)

abstract

3.8 Invite users to a group

Attention

The limits for different types of groups are as follows:

Work group (Work): Anyone in the group can invite others to the group.
Meeting group (Meeting) and public group (Public): By default, users are not allowed to join the group through invitation. You can modify the groupApproveOpt field of V2TIMGroupInfo to open it. After that, all the group members can invite others to join the group.
Audio-video group (AVChatRoom): Inviting users to a group is not supported.
Limited by backgroud service, the number of userList must be less than or equal to 20.

◆ kickGroupMember() [1/2]

abstract void kickGroupMember	(	String	groupID,
		List< String >	memberList,
		String	reason,
		int	duration,
		V2TIMValueCallback< List< V2TIMGroupMemberOperationResult >>	callback
	)

abstract

3.9 Remove a member from a group

Parameters

groupID	Group ID
memberList	The list of members to remove
reason	The reason the member is removed
duration	Time interval during which the target users will not be allowed to join the group again after being kicked out of the group in seconds
callback	Callback

Attention

You can specificy a time interval in seconds during which the target users will not be allowed to join the group again after being kicked out of the group from 7.2 version.
Work group (Work): only the group owner or app admin can remove a member from a group.
Meeting group (Meeting) and public group (Public): the group owner, group admin, and app admin can remove a member from a group.
Audio-video group (AVChatRoom): only muting(muteGroupMember) is supported in versions prior to 6.6. Both muting(muteGroupMember) and kicking(kickGroupMember) are supported in 6.6 and later versions. You need to buy the Premium edition to use this feature.
Please refer to the following link for other usage restrictions of this interface.

◆ setGroupMemberRole()

abstract void setGroupMemberRole	(	String	groupID,
		String	userID,
		int	role,
		V2TIMCallback	callback
	)

abstract

3.10 Set the role of a group member

Attention

The limits for different types of groups are as follows:

Work group (Work) does not support setting group member roles.
Only the group owner can switch the role of a group member between common member and admin.
To transfer a group, please call the transferGroupOwner API.
For a meeting group (Meeting), after a group member role is set, there will be no onGrantAdministrator or onRevokeAdministrator callback.
Roles that can be set are common member (V2TIMGroupMemberFullInfo.V2TIM_GROUP_MEMBER_ROLE_MEMBER) and admin (V2TIMGroupMemberFullInfo.V2TIM_GROUP_MEMBER_ROLE_ADMIN).

◆ markGroupMemberList()

abstract void markGroupMemberList	(	String	groupID,
		List< String >	memberIDList,
		int	markType,
		boolean	enableMark,
		V2TIMCallback	callback
	)

abstract

3.11 Mark group members (supported only by the Premium edition)

Parameters

groupID	Group's identifier.
memberIDList	Group member's identifier list.
markType	The mark type is uint32_t, and the value must be equal or greater than 1000. You can customize it. A maximum of 10 marks are allowed to be defined in a group.
enableMark	Set or remove. true means setting the mark, and false means removing the mark.

Attention

Attention please:

Supported in Audio-video group (AVChatRoom) in 6.6 and later versions.
Supported in Community group in 7.5 and later versions.
Only the group owner has permission to mark other members in the group.

◆ transferGroupOwner()

abstract void transferGroupOwner	(	String	groupID,
		String	userID,
		V2TIMCallback	callback
	)

abstract

3.12 Change the group owner

Attention

The limits for different types of groups are as follows:

Common groups (Work, Public, and Meeting): only the group owner has the permission to change the group owner.
Audio-video group (AVChatRoom): changing the group owner is not supported.

◆ kickGroupMember() [2/2]

abstract void kickGroupMember	(	String	groupID,
		List< String >	memberList,
		String	reason,
		V2TIMValueCallback< List< V2TIMGroupMemberOperationResult >>	callback
	)

abstract

3.13 Remove a member from a group (supported for AVChatRoom only in Chat Premium 6.6 and later versions)

Attention

The limits are as follows:

This API will be deprecated. Please call kickGroupMember(String, List<String>, String, int, V2TIMValueCallback) instead.
Work group (Work): only the group owner or app admin can remove a member from a group.
Meeting group (Meeting) and public group (Public): the group owner, group admin, and app admin can remove a member from a group.
Audio-video group (AVChatRoom): only muting(muteGroupMember) is supported in versions prior to 6.6. Both muting(muteGroupMember) and kicking(kickGroupMember) are supported in 6.6 and later versions.

◆ getGroupApplicationList()

abstract void getGroupApplicationList ( V2TIMValueCallback< V2TIMGroupApplicationResult > callback )

abstract

4.1 Get the group joining request list

Attention: Up to 50 requests are supported

◆ acceptGroupApplication()

abstract void acceptGroupApplication	(	V2TIMGroupApplication	application,
		String	reason,
		V2TIMCallback	callback
	)

abstract

4.2 Approve a group joining request

◆ refuseGroupApplication()

abstract void refuseGroupApplication	(	V2TIMGroupApplication	application,
		String	reason,
		V2TIMCallback	callback
	)

abstract

4.3 Reject a group joining request

◆ setGroupApplicationRead()

abstract void setGroupApplicationRead ( V2TIMCallback callback )

abstract

4.4 Mark the group joining request list as read

◆ getJoinedCommunityList()

abstract void getJoinedCommunityList ( V2TIMValueCallback< List< V2TIMGroupInfo >> callback )

abstract

5.1 Get the list of Community-groups that the current user has joined

◆ createTopicInCommunity()

abstract void createTopicInCommunity	(	String	groupID,
		V2TIMTopicInfo	topicInfo,
		V2TIMValueCallback< String >	callback
	)

abstract

5.2 Create topic

Parameters

groupID The community ID must start with @TGS_.

◆ deleteTopicFromCommunity()

abstract void deleteTopicFromCommunity	(	String	groupID,
		List< String >	topicIDList,
		V2TIMValueCallback< List< V2TIMTopicOperationResult >>	callback
	)

abstract

5.3 Delete topic

◆ setTopicInfo()

abstract void setTopicInfo	(	V2TIMTopicInfo	topicInfo,
		V2TIMCallback	callback
	)

abstract

5.4 Modify topic information

◆ getTopicInfoList()

abstract void getTopicInfoList	(	String	groupID,
		List< String >	topicIDList,
		V2TIMValueCallback< List< V2TIMTopicInfoResult >>	callback
	)

abstract

5.5 Get topic list

Attention: : When the topicIDList is empty，it means to get the list of all topics in this Community.

Detailed Description

Advanced group APIs, including APIs for advanced group features such as group member invitation and group joining request

Public Member Functions

Member Function Documentation

◆ createGroup()

◆ getJoinedGroupList()

◆ getGroupsInfo()

◆ searchGroups()

◆ searchCloudGroups()

◆ setGroupInfo()

◆ initGroupAttributes()

◆ setGroupAttributes()

◆ deleteGroupAttributes()

◆ getGroupAttributes()

◆ getGroupOnlineMemberCount()

◆ setGroupCounters()

◆ getGroupCounters()

◆ increaseGroupCounter()

◆ decreaseGroupCounter()

◆ getGroupMemberList()

◆ getGroupMembersInfo()

◆ searchGroupMembers()

◆ searchCloudGroupMembers()

◆ setGroupMemberInfo()

◆ muteGroupMember()

◆ muteAllGroupMembers()

◆ inviteUserToGroup()

◆ kickGroupMember() [1/2]

◆ setGroupMemberRole()

◆ markGroupMemberList()

◆ transferGroupOwner()

◆ kickGroupMember() [2/2]

◆ getGroupApplicationList()

◆ acceptGroupApplication()

◆ refuseGroupApplication()

◆ setGroupApplicationRead()

◆ getJoinedCommunityList()

◆ createTopicInCommunity()

◆ deleteTopicFromCommunity()

◆ setTopicInfo()

◆ getTopicInfoList()