sendFile.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent actionEvent) {
FileTransferManager fileTransferManager = xmppSession.getExtensionManager(FileTransferManager.class);
FileChooser fileChooser = new FileChooser();
File file = fileChooser.showOpenDialog(stage);
try {
fileTransferManager.offerFile(file, "", xmppSession.getPresenceManager().getPresence(item.contact.get().getJid()).getFrom(), 10000);
} catch (XmppException e) {
e.printStackTrace();