app.js

//Create a container view
var container = Ti.UI.createView({
  width:200,
  height:200,
  top:10,
  left:10
});

//Create a drop shadow view
var shadow = Ti.UI.createView({
  width:195,
  height:195,
  right:0,
  bottom:0,
  borderRadius:5,
  opacity:0.5,
  backgroundColor:"#787878"
});
container.add(shadow);

//Create a view for our content
var content = Ti.UI.createView({
  width:195,
  height:195,
  top:0,
  left:0,
  borderRadius:5,
  backgroundColor:"#cdcdcd"
});
content.add(Ti.UI.createLabel({
  text:"Here is some content",
  textAlign:"center",
  color:"#000"
}));
container.add(content);

//Open an application window
var win = Ti.UI.createWindow({
  backgroundColor:"#fff"
}); 
win.add(container); 
win.open();