@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // preuzima poruku od intenta
    Intent intent = getIntent();
    String message = intent.getStringExtra(MainActivity.EXTRA_MESSAGE);

    // stvara text view
    TextView textView = new TextView(this);
    textView.setTextSize(40);
    textView.setText(message);

    //  postavlja text view da bude layout ove aktivnosti
    setContentView(textView);
}