Buddy presence changes

Review valid online states for the presence system.

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最后更新于 4 天前

After User B has approved User A as a buddy, User A can see changes to User B's online status. Online status consists of two pieces of information: an online state and a custom message. The following list details valid online states:

buddy_presence_offline = 0
buddy_presence_online = 1
buddy_presence_busy = 2
buddy_presence_chat = 3
buddy_presence_away = 4
buddy_presence_extended_away = 5

You can use any text for the custom message, but it must be UTF-8 encoded. Whenever User B changes this information, User A receives a vx_evt_buddy_presence message. The following code displays an example of the process for handling this message:


void  HandleEvtBuddyPresence(vx_evt_buddy_presence *evt){    printf("%s is now %s (%s)\n", evt->encoded_uri_with_tag,vx_get_presence_state_string(evt->presence), evt->custom_message);}

注意

The vx_evt_buddy_presence.encoded_uri_with_tag field distinguishes the presence information of a single user that is signed in at multiple locations. The application can choose to display this information separately or aggregate the information together.

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