我使用Smack通过XMPP服务器(openFire)开发了一个聊天应用程序。为了获取传入消息,我使用PacketFilter这是传入的msg代码:-
PacketFilter filter = new MessageTypeFilter(Message.Type.chat);
connection.addPacketListener(new PacketListener() {
public void processPacket(Packet packet) {
Message message = (Message) packet;
incomemsg = message.getBody();
if (incomemsg != null) {
String fromName = StringUtils.parseBareAddress(message.getFrom());
frmname = message.getBody();
Log.i("XMPPClient", "Got text [" + message.getBody() + "] from [" + fromName + "]");
// Add the incoming message to the list view
mHandler.post(new Runnable() {
public void run() {
// show the msg of chat in right side.
showMessage(frmname,false);
scrollContainer.getFocusables(scrollContainer.getChildCount());
}
});
}
}
}, filter);
但是我想在活动关闭或停止或销毁期间删除paketListener。我按照http://community.igniterealtime.org/thread/28921删除包侦听器但没有找到解决方案。
请检查。感谢您的宝贵时间。
你可以这样开始:
public class YourClass {
private PacketListener packetListener;
....
}
然后,一旦您想实例化PacketListener:
packetListener = new PacketListener(
....
);
connection.addPacketListener(packetListener);
和用于删除的:
connection.removePacketListener(packetListener);
你可以试试这个,它对我有效:'
PacketFilter filter;
PacketListener packetListener;
filter = new MessageTypeFilter(Message.Type.chat);
packetListener = new PacketListener() {
public void processPacket(Packet packet) {
// do something with your packet here
Message message = (Message)packet;
String from = message.getFrom();
String body = message.getBody();
System.out.println("Message from: " + from + " " + body);
}
};
connection.addPacketListener(packetListener, filter);
//And when you want to remove it:
connection.removePacketListener(packetListener);