courbes.add(0, NO_ID, 0, "NO"); courbes.add(0, EXP_ID, 1, "Exp"); courbes.add(0, SIN_ID, 2, "Sin"); SubMenu duration = menu.addSubMenu("Duration"); duration.add(1, 500, 0, "1/2s"); duration.add(1, 1000, 0, "1s"); duration.add(1, 3000, 1, "3s"); duration.add(1, 5000, 2, "5s"); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case EXP_ID: curve = EXP_ID; break; case SIN_ID: curve = SIN_ID;