Android Smack 4.1.1 File Transfering, ERROR Could not establish socket
问题 I am trying to send files over my android app with smack library 4.1.1, though i am having some errors to do so. The thing is that i don't know why it just sends the files to a device but after that it doesn't let me to send to others and others can't send to others either, for example the first time i opened a listener with one device, that device could and can still send files just to one device (the first that it sent) but the one that receives can not, the file seems to arrive but with 0