How do I get the message from the message id in smack.

问题

I am trying to fetch the chat history using below function:

    var mamManager:MamManager= MamManager.getInstanceFor(connection)
    var prevMsg=mamManager.queryArchive(JidCreate.entityBareFrom(jid)).forwardedMessages

        println(msg.forwardedStanza)

But I am getting the output as

04-19 14:17:58.414 7964-7964/com.example.itstym.smackchat I/System.out: Message Stanza [to=user2@replica3377.cloudapp.net,from=user1@replica3377.cloudapp.net/307135084148417199024926,id=qQ73x-27,]

I can also get stanza id using msg.forwardedStanza.stanzaId but how will i get the msg text.

回答1:

Cast the forwarded Stanza to Message and call getBody().

回答2:

The getBody() is for Message and the ForwardedStanza extends Stanza so it can be Message, IQ or Presence.

Try this:

    if (forwarded.getForwardedStanza() instanceof Message) {
        String body = ((Message) forwarded.getForwardedStanza()).getBody();
    }

来源：https://stackoverflow.com/questions/43491831/how-do-i-get-the-message-from-the-message-id-in-smack