ios,xmpp 添加好友與好友請求處理

    XMPPStream *xmppStream;    XMPPReconnect *xmppReconnect;        XMPPRoster *xmppRoster;//使用者物件//需要添加的對象

    //添加好友    #pragma mark 加好友- (void)XMPPAddFriendSubscribe:(NSString *)name{  //XMPPHOST 就是伺服器名，  主機名稱      XMPPJID *jid = [XMPPJID jidWithString:[NSString stringWithFormat:@"%@@%@",name,XMPPHOST]];    //[presence addAttributeWithName:@"subscription" stringValue:@"好友"];    [xmppRoster subscribePresenceToUser:jid];    }

            //處理加好友          #pragma mark 處理加好友回調,加好友- (void)xmppRoster:(XMPPRoster *)sender didReceivePresenceSubscriptionRequest:(XMPPPresence *)presence{    //取得好友狀態    NSString *presenceType = [NSString stringWithFormat:@"%@", [presence type]]; //online/offline    //請求的使用者    NSString *presenceFromUser =[NSString stringWithFormat:@"%@", [[presence from] user]];    NSLog(@"presenceType:%@",presenceType);        NSLog(@"presence2:%@  sender2:%@",presence,sender);        XMPPJID *jid = [XMPPJID jidWithString:presenceFromUser];    [xmppRoster acceptPresenceSubscriptionRequestFrom:jid andAddToRoster:YES];}

           //在次處理加好友#pragma mark 收到好友上下線狀態- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence {//    DDLogVerbose(@"%@: %@ ^^^ %@", THIS_FILE, THIS_METHOD, [presence fromStr]);        //取得好友狀態    NSString *presenceType = [NSString stringWithFormat:@"%@", [presence type]]; //online/offline    //目前使用者//    NSString *userId = [NSString stringWithFormat:@"%@", [[sender myJID] user]];    //線上使用者    NSString *presenceFromUser =[NSString stringWithFormat:@"%@", [[presence from] user]];    NSLog(@"presenceType:%@",presenceType);    NSLog(@"使用者:%@",presenceFromUser);//這裡再次加好友    if ([presenceType isEqualToString:@"subscribed"]) {        XMPPJID *jid = [XMPPJID jidWithString:[NSString stringWithFormat:@"%@",[presence from]]];[xmppRoster acceptPresenceSubscriptionRequestFrom:jid andAddToRoster:YES];    }}

#pragma mark 移除朋友,取消加好友，或者加好友後需要刪除- (void)removeBuddy:(NSString *)name{XMPPJID *jid = [XMPPJID jidWithString:[NSString stringWithFormat:@"%@@%@",name,XMPPHOST]];[self xmppRoster] removeUser:jid];}

注意主機名稱  和 處理順序