Drag and Drop Titanium Mobile

dragdrop.js

var Win=Ti.UI.createWindow({
    backgroundColor:'white'
    
});
var circle = Titanium.UI.createView({
    height:200,
    width:200,
    
    backgroundColor:'#336699',
    top:10,
    left:50
});

Win.add(circle);

var circlePosition = { top: circle.top, left: circle.left };
var xxx = 0;
var yyy = 0;

circle.addEventListener('touchstart', function(e) {
    xxx = e.x;
    yyy = e.y;
});

circle.addEventListener('touchmove', function(e) {
    circlePosition.top += e.y - yyy; 
    circlePosition.left += e.x - xxx;
    Ti.API.info("Top-----"+circlePosition.top);
    Ti.API.info("Left"+circlePosition.left);
    circle.animate({
        top: circlePosition.top, 
        left: circlePosition.left,
        duration: 1 
    });
});

circle.addEventListener('touchend', function(e) {
    xxx = 0;
    yyy = 0;
    
});
Win.open();