Appcelerator code for click and drag an object. This particular one is constrained to just moving up and down.

app.js

    var self = Titanium.UI.createWindow({
        title:'Window',
        left:0,
        top:0,
        backgroundColor:'#FFF',
        name:'win1'
    });

    var container = Ti.UI.createView({
        height: 300,
        width: 250,
        backgroundColor: 'blue'
    });
    self.add(container);

    var view = Ti.UI.createView({
        width : 200,
        height : 100,
        backgroundColor : 'green'
    });
    var olt = Titanium.UI.create3DMatrix(), curX, curY, distFromTop;

    view.addEventListener('touchstart', function(e) {
        curX = e.x;
        curY = e.y;
        distFromTop = view.rect.y;
        
    });
    view.addEventListener('touchmove', function(e) {


        var deltaX = e.x - curX, 
            deltaY = e.y - curY;
        olt = olt.translate(0, deltaY, 0);
        view.animate({
            transform : olt,
            duration : 10
        });
    });

    view.addEventListener('touchend', function(e) {

        console.log(this.rect.y);
    });

    container.add(view);