refactored the current screen out into a fragment.
Added list based navigation to the action bar.
Now that there's fragments and some stateless nav, split out the box
size example into their own fragment and nav entry
Adding a 3rd screen to show sizes of boxes
more options , but the spinner is being really really weird!
issue with spinner was something to do with the onLayoutChanged listener. I put the stuff from that into a delayed handler, and it's ok now.
Updated build tools, project restructure, some minor tweaks to interactive resizing.