我正在开发一个 android 聊天应用程序,我在其中使用 smack 库进行即时消息传递,一切正常,但最大的问题在于订阅。
如何向其他用户发送订阅通知。
这是我发送订阅请求的代码:
public void run() {
/*runOnUiThread(new Runnable() {
public void run() {*/
Roster roster = XMPPSmackConnection.getInstance().connection.getRoster();
roster.setSubscriptionMode(Roster.SubscriptionMode.manual);
try {
if(!_userName.contains("@"))
_userName=_userName+"@www.naijapings.net";
/*Presence presence = (Presence) packet;
Presence presence_request = new Presence(Presence.Type.subscribed);
presence_request.setTo(presence.getFrom());
presence_request.setType(Presence.Type.subscribed);
presence_request.setFrom("current_logged_in_user");
XMPPSmackConnection.getInstance().connection.sendPacket(presence_request);
roster.createEntry(presence.getFrom(), null, null);*/
/*Presence response = new Presence(Presence.Type.subscribe);
response.setTo(_userName);
XMPPSmackConnection.getInstance().connection.sendPacket(response);*/
//PROCESS TWO WAY COMMUNICATION
Presence response1 = new Presence(Presence.Type.subscribe);
response1.setTo(_userName);
XMPPSmackConnection.getInstance().connection.sendPacket(response1);
//////////////////////////////////////////////////////
//roster.createEntry(_userName, null, null);
/*roster.createEntry(_userName, _nickName, Friends);*/
//roster.createEntry(_tempUserName, null, null);
//roster.createEntry(_userName, _nickName, my_friends[]);
//addBuddy(_userName, _nickName, Friends);
} catch (Exception e) {
_progDailog.dismiss();
e.printStackTrace();
}
_progDailog.dismiss();
successAlert("Buddy requested successfully");
/*}
});*/
上面的代码只在其他用户的花名册列表中创建花名册条目,但不显示订阅通知。
这是接受订阅请求的代码:
runOnUiThread(new Runnable() {
public void run() {
try {
Roster roster = XMPPSmackConnection.getInstance().connection.getRoster();
///roster.setSubscriptionMode(Roster.SubscriptionMode.manual);
//Presence presence = roster.getPresence(_buddyUserName);
roster.setSubscriptionMode(Roster.SubscriptionMode.manual);
//Presence subscribed = new Presence(Presence.Type.subscribed);
Presence response = new Presence(Presence.Type.subscribed);
response.setTo(_buddyUserName);
XMPPSmackConnection.getInstance().connection.sendPacket(response);
/*response = new Presence(Presence.Type.subscribed);
response.setTo(_buddyUserName);
XMPPSmackConnection.getInstance().connection.sendPacket(response);*/
roster.createEntry(_buddyUserName, _nickNameEditText.getText().toString(), Friends);
} catch (Exception e) {
e.printStackTrace();
}
}
});
请提出确切的方案。