Can you launch the native Camera App from an Html 5 Web App?

Question

I have a mobile website that allows users to upload photos using the file input type (Browse button). If possible, I would like to launch the Camera App of an Android devic

Answer 1

Android 3.0 Honeycomb added Device API support. Google I/O 2011 presentation shows an example on slide 30:

It also points to a test site that not surprisingly does not do much on my Froyo phone.

Anybody with a tablet tried it and can tell us what it does and does not do?

4.0 Icecream Sandwich was announced. Code drop may not happen for several months or longer and actual devices may show in the market around Christmas. As to Icecream on current generation of Froyo / Gingerbread phones, official ODM/carrier 4.0 releases will never happen? I'd love to be proved wrong on this. Any word from custom ROMs community?