XMPP accepts sending messages

At this stage of communication services, all kinds of standards have, so there will be unable to achieve interconnection, and XMPP (extensible Message and Presence Protocol) protocol, the realization of the entire timely Communication Service protocol interoperability. With this agreement, the use of any one organization or individual, even if the communication services, can be accessible to other users of the timely communication services to communicate. Google Talk, for example, launched in 2005, is an XMPP protocol-based instant messaging software. Let's talk about how to simply use XMPP to receive and send messages

1, in the XMPPFramework.h will need to use the header file open

2. Create a display message page in storyboard

3. Define the query result memory and initialize it.

// Message archive @property (nonatomic,strong) xmppmessagearchiving * Messagearch; // message archiving Storage model @property (nonatomic,strong) xmppmessagearchivingcoredatastorage * messagestore;

4. In the controller created above storyboard, add the following code

Appdelegate * Delgate=[uiapplication Sharedapplication].Delegate; //Initialize AvatarXmppjid * fromjid=[Xmppjid JidWithString:self.fromJid]; NSData* Fromdata=[Delgate.vcardavatarmodule Photodataforjid:fromjid]; Self.fromimage=[[UIImage alloc] initwithdata:fromdata]; NSString* Username= [[nsuserdefaults standarduserdefaults] Objectforkey:@"UserName"]; Xmppjid* tojid=[Xmppjid Jidwithstring:username]; //set up a picture modelNSData * Todata=[Delgate.vcardavatarmodule Photodataforjid:tojid]; Self.meimage=[[UIImage alloc] initwithdata:todata]; if(self.fromimage==Nil) {Self.fromimage=[uiimage imagenamed:@"Defalut"]; }        if(self.meimage==Nil) {Self.meimage=[uiimage imagenamed:@"Defalut"]; } [[Nsnotificationcenter defaultcenter] addobserver:self selector: @selector (showKey:) Name: UikeyboardwillshownotificationObject: nil]; [[Nsnotificationcenter Defaultcenter] addobserver:self selector: @selector (hidekey:) Name: UikeyboardwillhidenotificationObject: nil]; //initializing the data storeNSString *user= [[Nsuserdefaults standarduserdefaults] Objectforkey:@"UserName"]; //Initializing requestsNsfetchrequest * Request=[[nsfetchrequest alloc] Initwithentityname:@"Xmppmessagearchiving_message_coredataobject"]; Request.predicate=[nspredicate Predicatewithformat:@"barejidstr=%@ and streambarejidstr=%@", Self.fromjid,user]; //Define SortNssortdescriptor * Des=[nssortdescriptor Sortdescriptorwithkey:@"timestamp"Ascending:yes];        [Request Setsortdescriptors:@[des]]; //Get ContextNsmanagedobjectcontext *context=[Delgate.messagestore Mainthreadmanagedobjectcontext]; //Initialize result memoryFetch=[[Nsfetchedresultscontroller alloc] Initwithfetchrequest:request managedobjectcontext:context        Sectionnamekeypath:nil Cachename:nil]; //Set up proxyFetch.Delegate=Self ; //Start Query[Fetch Performfetch:nil]; 

5, create the agent method to realize TableView

-(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (nsinteger) section{ID<NSFetchedResultsSectionInfo> info=Fetch.sections[section]; NSLog (@"===%ld", info.numberofobjects); return[Info numberofobjects]; }-(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) indexpath{Xmppmessagearchiving_message_coredataobject* obj=[Fetch Objectatindexpath:indexpath]; Jrchattableviewcell* cell=Nil; if(obj.isoutgoing) {cell=[tableview Dequeuereusablecellwithidentifier:@"Cellto"]; }Else{cell=[tableview Dequeuereusablecellwithidentifier:@"Cellfrom"]; }            //Set AvatarCell.image.image=Self.meimage; Cell.selectionstyle=Uitableviewcellselectionstylenone;    [Cell SetText:obj.body WithFlag:obj.isOutgoing]; returncell;}

6. Increase Keyboard control

[[Nsnotificationcenter Defaultcenter] addobserver:self selector: @selector (showKey:) Name: UikeyboardwillshownotificationObject: nil]; [[Nsnotificationcenter Defaultcenter] addobserver:self selector: @selector (hidekey:) Name: UikeyboardwillhidenotificationObject: nil];- (void) ShowKey: (Nsnotification *) notify{cgfloat Time=[Notify.userinfo[uikeyboardanimationdurationuserinfokey] doublevalue]; CGRect Frame=[Notify.userinfo[uikeyboardframebeginuserinfokey] cgrectvalue]; [UIView animatewithduration:time animations:^{self.keyView.transform=cgaffinetransformmaketranslation (0, frame.size.height*-1); }];}- (void) Hidekey: (Nsnotification *) notify{cgfloat Time=[Notify.userinfo[uikeyboardanimationdurationuserinfokey] doublevalue]; [UIView animatewithduration:time animations:^{self.keyView.transform=cgaffinetransformidentity; }];}

7. Send a message

-(BOOL) Textfieldshouldreturn: (Uitextfield *) textfield{[TextField Resignfirstresponder]; //Send Message//1 Remove TextAppdelegate * Delgate=[uiapplication Sharedapplication].Delegate; Xmppjid* jid=[Xmppjid JidWithString:self.fromJid]; //Initialize the body of the messageXmppmessage * Message=[xmppmessage Messagewithtype:@"Chat"To:jid];        [Message AddBody:self.ketf.text]; //Send Message[Delgate.stream Sendelement:message]; //Empty the messageself.ketf.text=Nil; returnYES;}

To learn more about the small partners, you can click to view the source code , run the test yourself.

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Jerry Education
Source:http://www.cnblogs.com/jerehedu/
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XMPP accepts sending messages