Titanium SDK ActivityIndicator issue

app.js

var win = Ti.UI.createWindow({
    navBarHidden: true,
    backgroundColor: '#000'
});

var button = Ti.UI.createButton({
    title: 'Click me!'
});

var actInd = Ti.UI.createActivityIndicator({
    height: 20,
    width: 20
});

win.add(button);

button.addEventListener('click', function() {
    
    var win1 = Ti.UI.createWindow({
        backgroundColor: '#fc0',
        layout: 'vertical',
        navBarHidden: true,
        modal: true
    });
    
    var buttonClose = Ti.UI.createButton({
        title: 'Click to close!'
    });
    
    win1.add(buttonClose);
    
    buttonClose.addEventListener('click', function() {
        actInd.show();
        win1.close();
        setTimeout(function() { actInd.hide(); }, 200);
    });
    
    win1.open();
});

win.open();