app.js

var t = setTimeout(function()
  {
    var alert = Titanium.UI.createAlertDialog(
      {
      title: 'Timeout fired!',
      message: ''
      }
      );
    alert.show();
  }, 1000000);

var b = Ti.UI.createButton(
{
	title:'Trigger it!',
  width: 200,
  height: 40
}
);
b.addEventListener('click', function()
  {
    clearTimeout(t);
  }
  );

var win1 = Titanium.UI.createWindow();
win1.add(b);
win1.open();