Multiuserchat Send And Receive Message Error

I am develop android chat app (xmpp server -prosody- and android smack library) I created group room successfully and invite members but when I try to send message to the group th

Solution 1:

you have to first join the room before sending the XMPP message.

to join the xmpp room you have to send a presence stanza that will be like this:

<presencefrom='hag66@shakespeare.lit/pda'id='n13mt3l'to='coven@chat.shakespeare.lit/thirdwitch'><xxmlns='http://jabber.org/protocol/muc'/></presence>

In java this will be like:

PresencejoinPresence=newPresence(Presence.Type.available);
joinPresence.setTo(mThreadId);
joinPresence.addExtension(newMUCInitialPresence());

XMPPConnectionconx= Application.getInstance().getXMPPConection();
PacketFilterresponseFilter=newAndFilter(newFromMatchesFilter(mThreadId), newPacketTypeFilter(Presence.class));

PacketCollectorresponse= conx.createPacketCollector(responseFilter);
conx.sendPacket(joinPresence);

Presencepresence= (Presence) response.nextResult(SmackConfiguration.getPacketReplyTimeout());
response.cancel();

if (presence == null) {
    Log.e("XMPP", "No response from server.");
} elseif (presence.getError() != null) {
    Log.e("XMPP", presence.getError().toString());
}

Solution 2:

First of all, you need to join a room and make sure other group users also join the group as well, for that you have to send a group join invitation like below.

publicstaticvoidinviteToGroup(String inviteuser, String groupName) {

    if (TextUtils.isEmpty(inviteuser) || TextUtils.isEmpty(groupName)) return;

    try {

        EntityBareJidmucJid= JidCreate.entityBareFrom(groupName + "@" + Constants.GRP_SERVICE);

        Resourcepartnickname= Resourcepart.from(userId);

        mucChatManager = MultiUserChatManager.getInstanceFor(MyApplication.connection);
        mucChat = mucChatManager.getMultiUserChat(mucJid);
        Messagemessage=newMessage();
        // message.setType(Type.normal);
        message.setSubject(Constants.GROUP_CHAT_MSG_MODE);
        message.setBody(Constants.GROUP_GREETINGS);
        EntityBareJideJId= JidCreate.entityBareFrom(inviteuser + "@" + Constants.XMPP_DOMAIN);



        /*MucEnterConfiguration.Builder mucEnterConfiguration
                = mucChat.getEnterConfigurationBuilder(nickname).requestHistorySince(sinceDate);*/

        MucEnterConfiguration.BuildermucEnterConfiguration= mucChat.getEnterConfigurationBuilder(nickname).requestNoHistory();

        mucChat.join(mucEnterConfiguration.build());

        LogM.e("Room joined");

        //  mucChat.invite(message, eJId, groupName);

    } catch (XmppStringprepException e) {
        e.printStackTrace();
    } catch (SmackException.NotConnectedException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } catch (SmackException.NoResponseException e) {
        e.printStackTrace();
    } catch (XMPPException.XMPPErrorException e) {
        e.printStackTrace();
    } catch (MultiUserChatException.NotAMucServiceException e) {
        e.printStackTrace();
    }



}

Here is my code for send Group Message you need to add message Type as a Type.groupchat.

publicbooleansendGrpMessage(ChatPojo chatPojo, String grp_name) {
    try {

        finalStringbody= gson.toJson(chatPojo);

        Messagemsg=newMessage();
        msg.setType(Type.groupchat);
        msg.setSubject("chat");
        msg.setBody(body);

        EntityBareJidmucJid= JidCreate.entityBareFrom(grp_name + "@" + Constants.GRP_SERVICE);
        mucChatManager = MultiUserChatManager.getInstanceFor(MyApplication.connection);
        mucChat = mucChatManager.getMultiUserChat(mucJid);

        mucChat.sendMessage(msg);
        //DataManager.getInstance().updateReceiptReceived(msgReceipt,Constants.MESSAGE_STATUS_NOT_DELIVERED);returntrue;

    } catch (XmppStringprepException | InterruptedException | SmackException.NotConnectedException e) {
        Log.d(TAG, "sendGrpMessage() Error = [" + e.getMessage() + "]");
        returnfalse;
    }

}

after that add group message listener

StanzaFilterfilter= MessageTypeFilter.GROUPCHAT;
    MyApplication.connection.addAsyncStanzaListener(newStanzaListener() {
        @OverridepublicvoidprocessStanza(Stanza packet)throws SmackException.NotConnectedException, InterruptedException {



            Messagemessage= (Message) packet;

            if (message.getType() == Type.groupchat && message.getBody() != null) {

                LogM.e("+++++++++++++++++++++++++++GROUPCHAT+++++++++++++++++++++++++++++++++");
                LogM.e("from: " + message.getFrom());
                LogM.e("xml: " + message.getType().toString());
                LogM.e("Got text [" + message.getBody() + "] from [" + message.getFrom() + "]");


                LogM.e("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");


                } elseif (message.getType() == Type.error) {

                Toast.makeText(service, "error type", Toast.LENGTH_SHORT).show();

            }  


        }
    }, filter);