xmpp tutorial for beginners

XMPP login to register a friend group _ practical tutorial 2, xmpp login Registration Message: Then write . H 1 /*! 2 * @Author Dylan. 3 * 4 * callback Block 5 */ 6 typedef void(^sendSuccess)(); 7 typedef void(^sendFailure)(id); 8 9 /*!10 * sendMessageBy model11 */12 - (void)sendMessage: (ADMessageModel *)message13 sendSuccess: (sendSuccess)suc

Xmpp login to register a friend group _ practical tutorial 4, xmpp login Registration // Obtain the status of friends-online or offline. Just write it for judgment and return. . H 1 /*! 2 * @Author Dylan. 3 * 4 * Paresence 5 */ 6 typedef void (^userGoOnline) (NSString *); 7 typedef void (^userGoOffline) (NSString *); 8 9 - (void)refreshRosterPresence: (us

= [nsxmlelement elementwithname: @ "message"]; 21 // Message Type 22 [mes addattributewithname: @ "type" stringvalue: @ "chat"]; 23 // to whom 24 [mes addattributewithname: @ "to" stringvalue: Message. to]; 25 // who sent 26 [mes addattributewithname: @ "from" stringvalue: Message. from]; 27 // combination 28 [mes addchild: body]; 29 // send message 30 [self xmppstream] Sen Delement: MES]; 31} 32 33 # pragma mark-delegetemethods34-(void) xmppstream :( xmppstream *) sender didreceivemessage :( x

- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq 6 { 7 NSLog(@"%@: %@", THIS_FILE, THIS_METHOD); 8 9 if ([@"result" isEqualToString:iq.type]) {10 NSXMLElement *query = iq.childElement;11 if ([@"query" isEqualToString:query.name]) {12 NSArray *items = [query children];13 for (NSXMLElement *item in items) {14 NSString *jid = [item attributeStringValueForName:@"jid"];15 XMPPJID *xmppJID = [XMPPJID

"];12 [self.xmppStream sendElement:presence];13 }14 15 - (void)xmppStream:(XMPPStream *)sender didNotAuthenticate:(NSXMLElement *)error16 {17 NSLog(@"Authenticate Error: %@", error);18 } -(Void) The goonline method is mainly to send a publish notification to the server.We run the program, set the breakpoint, and track the path. We can determine whether the user is online based on the server page. This indicates that both logon and verification are successful. The following section descr

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 2 #pragma mark ReceiveMessage 3 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 4 5 - (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message { 6 NSString *messageBody = [[message elementForName:@"body"] stringValue]; 7 NSLog(@"body:%@",messageBody); 8 NSString *replyM

// Obtain the status of friends-online or offline. Just write it for judgment and return. . H 1 /*! 2 * @Author Dylan. 3 * 4 * Paresence 5 */ 6 typedef void (^userGoOnline) (NSString *); 7 typedef void (^userGoOffline) (NSString *); 8 9 - (void)refreshRosterPresence: (userGoOnline)online10 offline: (userGoOffline)offline; . M 1 #pragma mark presence 2 - (void)refreshRosterPresence: (userGoOnline)online 3 offline: (userGoOffline)offline { 4

This course includes:"1" C language (1 months)"2" C + + syntax and data structure (1 months))"3" MFC project Development (1 months)"4" Linux project development (1 months)Previous sessions of the video have been uploaded to Baidu Network, please follow the video tutorial in advance to master the progress of the course.VS2015 Series Video tutorials include:"VS2015---0 basic C language Video tutorial""VS2015-

still feel that it is not fun, you can try to decompile some of the popular Unity3d game to get the code, after all, the real production environment code is the most worthy of deep research, in this Part I would like to recommend the code of the three countries, quite neat.My Unity3d Blog and Project indexIn the completion of the above learning process, to see some third-party blog is also quite useful means, here shameless to promote my blog and my mini-project. "Unity3d Basic

Some netizens recently reported that the tutorials on our website are difficult (this shows that we have many experts here, huh, huh ), therefore, I specially invited the moderator text in the Photoshop area in our college forum to write this tutorial for everyone. Detailed tutorial creation steps and simple operations are suitable for beginners. Let's first take

Php integration kit server xampp installation and use tutorial (suitable for beginners who are new to PHP for the first time), xampp installation and use. Php integration kit server xampp installation and use tutorial (suitable for beginners who are playing with PHP for the first time), xampp installation and use envir

Wang Xuan Yi, Source: http://www.cnblogs.com/neverdie/ Welcome reprint , please also keep this paragraph statement. If you like this article, please click "Recommend". Thank you!IntroductionIn the first article "Unity3d Basic Tutorial" for beginners See Unity Tutorial (a): Gameobject,compoent,time,input,physics I've already talked about the relationship between r

you can not understand. This is a very good PHP tutorial book for Beginners in PHP. Judging from personal experience, this book should always be helpful in your two years of work. But the personal feeling that the only drawback is that the actual case is a little bit, basically there is not a complete actual project. So we need to find some more classic examples to cooperate with the slow research it! ----

PHP Set Kit Server XAMPP installation Tutorial (for beginners who first play PHP), XAMPP installation using Environment construction Software: XAMPP Download Address: https://www.apachefriends.org/zh_cn/index.html (recommended to use Thunder download, otherwise speed may be unbearable) 1. Installation After installation open See the following: 2. Turn on the service Start Apache MySQL Service 3. Access A

If you want to learn Android software development, or a beginner, you can find a lot of Android tutorials and learning materials online, dazzling beginner tutorials and advanced tutorials, if you see this article do not miss, is simply a beginner's gospel.Considering that there is so much information you are a beginner, you can easily feel confused and don't know where to start. To make you feel relaxed while eliminating the illusion that there are many good tutorials to learn, you can start wit

entire project team can struggle for a while in the "script quagmire. Therefore, misuse of JavaScript will bring tears. However, in this case, JavaScript is still widely used in the Web application field. The page beautification capability of JavaScript is indeed incomparable. Its front-end simplification capability is also quite effective. @Xixi searched for a lot of JavaScript tutorials on the Internet to learn, and the online tutorials were rampant! Xixi screened his own e-books here, some

To the users of Photoshop software for detailed analysis to share a super detailed tutorial for beginners layout. Tutorial Sharing: The second part of the beginner's typesetting tutorial, which focuses on picture size setting, background padding, layers, layer groups, and PNG knowledge, will be a no

PHP Tutorial User Registration Instance code, suitable for beginners if ($_post[submit]) { Checkusername ($_post[username]); if ($_session["code"]==$_post[code]) { $username = Str_replace ("", "" ", $_post[username]);$password =md5 ($_post[password]. ALL_PS);$sql = "INSERT into ' member '. ' User_list ' (' uid ', ' m_id ', ' username ', ' password ') VALUES (NULL, ' $_post[select] ', ' $ Username ', ' $pas

, so we also better put in the IO thread, this example is relatively simple, directly on the code:Public observableReturn Observable.create (New Observableonsubscribe@Overridepublic void subscribe (observableemitterthrows Exception { cursor cursor = null; try {cursor = Getreadabledatabase (). Rawquery ( "SELECT * from" + TABLE_NAME, new string[]{}); listnew arraylistwhile (Cursor.movetonext ()) {Result.add (Db.Record.read (cursor));} emitter.onnext ( result); Emitter.oncomplete (); } finally {if

Introduction to NSIs: NSIs is the abbreviation of "Nullsoft Scriptable installation system". It is a free Win32 installation and uninstallation system. It has the following features: simple and efficient scripts and low system overhead; of course, you can install, uninstall, set system settings, decompress files, and so on. For more functions, see the blue Internet NSIs help document.For the NSIs tutorial, blue Internet is an NSIs expert. Her NSIs hel