如何使用XMPPFramework for iPhone确定用户在线/离线状态?
我有他们的JID等等。是否有一种请求存在或其他方式?
谢谢。
如何使用XMPPFramework for iPhone确定用户在线/离线状态?
我有他们的JID等等。是否有一种请求存在或其他方式?
谢谢。
您是否查看过XMPPFramework示例项目的源代码?
如果我没记错,这应该是相关的代码片段:
// Subscribe to the buddy's presence
//
// <presence to="bareJID" type="subscribe"/>
NSXMLElement *presence = [NSXMLElement elementWithName:@"presence"];
[presence addAttributeWithName:@"to" stringValue:[jid bare]];
[presence addAttributeWithName:@"type" stringValue:@"subscribe"];
[xmppStream sendElement:presence];
你的流代理获得的回调应该是:
- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence;
假设您已经拥有xmmpframework源代码,如果没有,请在此处克隆存储库。
hg clone https://xmppframework.googlecode.com/hg/ xmppframework
首先,在获取用户状态时,ROSTER列表中必须要有双方的订阅。
在这里,学习如何订阅并接受出席请求。
let senderName = strReceiverEjabberedName + "@" + eJabVirtualHost
let roomJID = XMPPJID(string: senderName)
// Send subscribe request
let detxTag:XMLElement = XMLElement(name: "presence")
detxTag.addAttribute(withName: "to", stringValue: roomJID?.bare ?? "")
detxTag.addAttribute(withName: "type", stringValue: "subscribe")
xmppController.xmppStream.send(detxTag)
// Send subscribed request
let detxTaged:XMLElement = XMLElement(name: "presence")
detxTaged.addAttribute(withName: "to", stringValue: roomJID?.bare ?? "")
detxTaged.addAttribute(withName: "type", stringValue: "subscribed")
xmppController.xmppStream.send(detxTaged)
// Subscribe & Accept Presence Request
xmppController.xmppRoster?.subscribePresence(toUser: roomJID!)
xmppController.xmppRoster?.acceptPresenceSubscriptionRequest(from: roomJID!, andAddToRoster: true)
extension XMPPServiceController: XMPPRosterDelegate {
func xmppRoster(_ sender: XMPPRoster, didReceivePresenceSubscriptionRequest presence: XMPPPresence) {
sender.acceptPresenceSubscriptionRequest(from: presence.from!, andAddToRoster: true)
}
}
func xmppStream(sender: XMPPStream?, didReceivePresence presence: XMPPPresence?) {
let presenceType = presence?.type
if presenceType == "available" { //ONLINE }
else if presenceType == "unavailable" { //OFFLINE }
}
xmppRosterDidChange
。 - puzzle