I have made a custom interface object to handle user rating in a take-away app I am currently building.
But I am not sure if it's intuitive enough in its form.
Q : Would you understand an object like this, if it appeared in a app? Would you have any constructive ways of improving the look, feel or functionality of the slider?
Also : Should I write Rating: on top of it, to make sure everyone knows what is going on?
Default:

When sliding down:

When sliding up:

Full movie of app : http://www.youtube.com/watch?v=ldfCkrwHwYs





