index.xml

<Alloy>

<Window>

<ImageView id="cake"></ImageView>

</Window>

</Alloy>


index.js

var cakeArray = new Array();

cakeArray[0] = "shortcake.png";

cakeArray[1] = "montblanc.png";

cakeArray[2] = "creampuff.png";

var cakeSelect = Math.floor(Math.random() * cakeArray.length);

$.cake.image = cakeArray[cakeSelect];

$.index.open();