xmpp获取好友信息和添加删除好友(4)

原始地址： XMPPFrameWork IOS 开发（五）获取好友信息和添加删除好友

好友列表和好友名片

[_xmppRoster fetchRoster];//获取好友列表

//获取到一个好友节点
- (void)xmppRoster:(XMPPRoster *)sender didRecieveRosterItem:(NSXMLElement *)item

//获取完好友列表
- (void)xmppRosterDidEndPopulating:(XMPPRoster *)sender

//到服务器上请求联系人名片信息
- (void)fetchvCardTempForJID:(XMPPJID *)jid;

//请求联系人的名片，如果数据库有就不请求，没有就发送名片请求
- (void)fetchvCardTempForJID:(XMPPJID *)jid ignoreStorage:(BOOL)ignoreStorage;

//获取联系人的名片，如果数据库有就返回，没有返回空，并到服务器上抓取
- (XMPPvCardTemp *)vCardTempForJID:(XMPPJID *)jid shouldFetch:(BOOL)shouldFetch;

//更新自己的名片信息
- (void)updateMyvCardTemp:(XMPPvCardTemp *)vCardTemp;

//获取到一盒联系人的名片信息的回调
- (void)xmppvCardTempModule:(XMPPvCardTempModule *)vCardTempModule
        didReceivevCardTemp:(XMPPvCardTemp *)vCardTemp
                     forJID:(XMPPJID *)jid

添加好友

//name为用户账号
- (void)XMPPAddFriendSubscribe:(NSString *)name
{
  //XMPPHOST 就是服务器名，  主机名
    XMPPJID *jid = [XMPPJID jidWithString:[NSString stringWithFormat:@"%@@%@",name,XMPPHOST]];
    //[presence addAttributeWithName:@"subscription" stringValue:@"好友"];
    [xmppRoster subscribePresenceToUser:jid];

}

//收到添加好友的请求
- (void)xmppRoster:(XMPPRoster *)sender didReceivePresenceSubscriptionRequest:(XMPPPresence *)presence
{
    //取得好友状态
    NSString *presenceType = [NSString stringWithFormat:@"%@", [presence type]]; //online/offline
    //请求的用户
    NSString *presenceFromUser =[NSString stringWithFormat:@"%@", [[presence from] user]];
    NSLog(@"presenceType:%@",presenceType);

    NSLog(@"presence2:%@  sender2:%@",presence,sender);

    XMPPJID *jid = [XMPPJID jidWithString:presenceFromUser];
    //接收添加好友请求
    [xmppRoster acceptPresenceSubscriptionRequestFrom:jid andAddToRoster:YES];

}

删除好友

//删除好友，name为好友账号
- (void)removeBuddy:(NSString *)name
{
    XMPPJID *jid = [XMPPJID jidWithString:[NSString stringWithFormat:@"%@@%@",name,XMPPHOST]];

    [self xmppRoster] removeUser:jid];
}