Android SMACK get USER Online Status (Presence)

 Android SMACK get USER  Online Status 

public void getUserStatus(){
    {
        Presence presence;
        presence = roster.getPresence(jid);
            if (presence.getMode().name().equalsIgnoreCase("available")) {

            } else if (presence.getMode().name().equalsIgnoreCase("away")) {


            } else if(presence.getMode().name().equalsIgnoreCase("xa")){

            }
            else if(presence.getMode().name().equalsIgnoreCase("chat")){

            }
            else {
              //dnd
            }
        }