Before you begin
- Register a QuickBlox account. This is a matter of a few minutes and you will be able to use this account to build your apps.
- Configure QuickBlox SDK for your app. Check out Setup page for more details.
- Create a user session to be able to use QuickBlox functionality. See Authentication page to learn how to do it.
- Connect to the Chat server. See Connection page to learn how to do it.
Subscribe to contact presence updates
You can listen to the contact presence updates in real-time using theQBRosterListener
. However, you can listen to the presence of only those users who have been added to the contact list. See this section to learn how to implement the Contact List.
Ping user
QuickBlox SDK can send application-level pings to a user. As a result, you can check if the user is connected to the Chat server.Argument | Required | Description |
---|---|---|
userID | yes | ID of the user. |
Ping server
QuickBlox SDK can send application-level pings to a server. As a result, you can check if there is a connection with the Chat server.Add ping listener
Your pings can be unsuccessful. To handle unsuccessful pings, use thePingFailedListener
. It enables your app to listen to failed ping attempts.