Send Chat using Xmpp in Objective-c

- (void)sendMessage {

    NSString *messageStr =[NSString stringWithFormat:@"{\"user_name\":\"%@\",\"message\":\"%@\"}",[[NSUserDefaults standardUserDefaults] valueForKey:@"userIDVal"],self.messageField.text];

   

    if([messageStr length] > 0) {

        

        NSXMLElement *body = [NSXMLElement elementWithName:@"body"];

        [body setStringValue:messageStr];

        

        

        NSXMLElement *message = [NSXMLElement elementWithName:@"message"];

        [message addAttributeWithName:@"type" stringValue:@"chat"];

        [message addAttributeWithName:@"to" stringValue:chatWithUser];

        [message addChild:body];

        

        [self.xmppStream sendElement:message];

        

        self.messageField.text = @"";

        

        

        NSMutableDictionary *m = [[NSMutableDictionary alloc] init];

        [m setObject:[messageStr substituteEmoticons] forKey:@"msg"];

        [m setObject:@"you" forKey:@"sender"];

        [m setObject:[NSString getCurrentTime] forKey:@"time"];

        

        [messages addObject:m];

        [self.tView reloadData];

      

        

    }