xmpp主要就这点东西，

1，

- (void)setupStream

{

    xmppStream = [[XMPPStream alloc]init];

    [xmppStreamaddDelegate:self delegateQueue:dispatch_get_main_queue()];

}

2，xmppstream 的方法，

@property (readwrite, copy) NSString *hostName;

@property (readwrite, assign) UInt16 hostPort;

@property (readwrite, copy) XMPPJID *myJID;

@property (strong, readonly) XMPPJID *remoteJID;

- (BOOL)connectTo:(XMPPJID *)remoteJID withAddress:(NSData *)remoteAddr error:(NSError **)errPtr;

- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq;

- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message;

- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence;

- (void)sendElement:(NSXMLElement *)element andGetReceipt:(XMPPElementReceipt **)receiptPtr;