A simple scalable image view in Titanium

scalableImage.js

var scrollView = Titanium.UI.createScrollView({
  contentHeight: 'auto',
  contentWidth: 'auto',
  maxZoomScale: 100,
  minZoomScale: 1,
  showHorizontalScrollIndicator: true,
  showVerticalScrollIndicator: true,
  top: 0
});

image = Titanium.UI.createImageView({
  image: '../images/file_name.jpg'
});

scrollView.add(image);
win.add(scrollView);