mojSpiner.setOnItemSelectedListener(new OnItemSelectedListener() {
    @Override
    public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
                        String izabrano = izbor.get(position);
                String izabranoIsto = (String) lista.getItemAtPosition(position);

                rezim = position;

                Toast.makeText(getApplicationContext(), "Izabrali ste: " + izabrano, Toast.LENGTH_LONG).show();

    }

    @Override
    public void onNothingSelected(AdapterView<?> parentView) {
        // your code here
    }

});