Xmppframework for iOS client (3) Add friends

Add Friend code

Initialize xmppStream

_ XmppStream = [[XMPPStreamalloc] init];

// [_ XmppStream setEnableBackgroundingOnSocket: YES];

[_ XmppStreamaddDelegate: selfdelegateQueue: dispatch_get_main_queue ()];

//

_ XmppRosterDataStorage = [[XMPPRosterCoreDataStoragealloc] init];

_ XmppRoster = [[XMPPRosteralloc] initWithRosterStorage: _ xmppRosterDataStorage];

// _ XmppRoster. autoFetchRoster = YES;

// _ XmppRoster. autoAcceptKnownPresenceSubscriptionRequests = YES;

//}

[_ XmppRosteractivate: _ xmppStream];

[_ XmppRosteraddDelegate: selfdelegateQueue: dispatch_get_main_queue ()];

// Add a friend

XMPPJID * frendJID = [XMPPJID jidWithString: strFriendJID];

[_ XmppRoster addUser: frendJID withNickname: nick];

// After the message is added, the friend receives the message and agrees to the following callback:

 

// Receives the friend status

-(Void) xmppStream :( XMPPStream *) sender didReceivePresence :( XMPPPresence *) presence

{

// NSLog (@ "presence = % @", presence );

// Obtain the friend status. subscribed: The unsubscribed request is rejected by verifying the friend's day.

NSString * presenceType = [presence type]; // online/offline

// Current user

NSString * userId = [[sender myJID] user];

// Online user

NSString * presenceFromUser = [[presence from] user];

If (! [PresenceFromUser isinclutostring: userId])

{

// Online status

If ([presenceType isw.tostring: @ "available"])

{

}

Else if ([presenceType isEqualToString: @ "unavailable"]) // offline

{

}

//

}

}