Retrieve a list of channels
You can retrieve a list of open channels using
loadNext() method, which returns a list of
You can also retrieve a list of the current user's private group channels using the
loadNext() method of a
GroupChannelListQuery instance, which returns a list of
GroupChannel objects. Using the
includeEmptyChannel property of a
GroupChannelListQuery instance, you can determine whether to include empty channels in the result. Empty channels are group channels that have been created but don't contain any messages, and thus aren't included in the result by default. However, if you turn off the Chat history option on Sendbird Dashboard, you may retrieve empty channels in the result.
Note: See search group channels by name, URL, or other filters to find out how to search for specific group channels using keywords and filters.
OpenChannelListQuery instance to retrieve a list of open channels matching the specifications set by
OpenChannelListQuery. After a list of open channels is successfully retrieved, you can access the data of each open channel from the result list through the
openChannel parameter of the callback method.
GroupChannelListQuery instance to retrieve a list of group channels matching the specifications set by
You can set
includeEmptyChannel property to
true so that users can view empty channels since the view chat history option is turned off to prevent new members from seeing previous conversations. You can determine whether to turn on the chat history option on Sendbird Dashboard under Settings > Chat > Channels > Group channels.
After a list of group channels is successfully retrieved, you can access the data of each channel from the result list through the
groupChannel parameter of the callback method.
List of properties
Determines whether to include empty group channels in the results.
Restricts the search scope based on the state of the current user. Acceptable values are
A list of user IDs invited to the channel. Acceptable values are
Specifies the number of results to return per call. Acceptable values are
All public group channels
If you want to retrieve a list of all public group channels regardless of the current user's membership status, use the
PublicGroupChannelListQuery instance and set
After a list of public group channels is successfully retrieved, you can access the data of each channel from the result list.
To retrieve a list of Supergroup channels, you can set the
superChannelFilter property to
SuperChannelFilter.superChannel in either the
PublicGroupChannelListQuery instance. The
superChannelFilter property works much like other search filters. Use
GroupChannelListQuery when only searching for group channels that the current user belongs to, and use
PublicGroupChannelListQuery when searching for all public group channels regardless of the current user's membership status.
When queried channels are returned, you can check if the channel is a Supergroup channel by looking at whether the
isSuper property has a value of