Debugging for TableView scroll event with Titanium Developer.

app.js

var win = Ti.UI.currentWindow;

var data = [
	{title:"Row 1",color:'#000',height:50},
	{title:"Row 2",color:'#000',height:50},
	{title:"Row 3",color:'#000',height:50},
	{title:"Row 4",color:'#000',height:50},
	{title:"Row 5",color:'#000',height:50},
	{title:"Row 6",color:'#000',height:50},
	{title:"Row 7",color:'#000',height:50},
	{title:"Row 8",color:'#000',height:50},
	{title:"Row 9",color:'#000',height:50},
	{title:"Row 10",color:'#000',height:50},
	{title:"Row 11",color:'#000',height:50},
	{title:"Row 12",color:'#000',height:50},
	{title:"Row 13",color:'#000',height:50},
	{title:"Row 14",color:'#000',height:50},
	{title:"Row 15",color:'#000',height:50},
	{title:"Row 16",color:'#000',height:50},
	{title:"Row 17",color:'#000',height:50},
	{title:"Row 18",color:'#000',height:50},
	{title:"Row 19",color:'#000',height:50},
	{title:"Row 20",color:'#000',height:50},
	{title:"Row 21",color:'#000',height:50}
];

var tableView = Ti.UI.createTableView({
	data: data
});

win.add(tableView);

tableView.addEventListener('scroll',function(e){
	Ti.API.info('first row: '+tableView.data[0].rows[e.firstVisibleItem].title);
});