String request = serverComunication.connessioneMain("a0/" + utente + "/" + oldPass + "/" + newPass );
if(!request.contains("error"))
{
+ Toast.makeText(getApplicationContext(), "password cambiata", Toast.LENGTH_SHORT).show();
Intent i = new Intent(getApplicationContext(), mainActivity.class);
i.putExtra("logout", "si");
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);