Camera.open() returns null

Question

When I call mCamera = Camera.open() it returns null, what could be causing this? My device is the Nexus 7.

I already have the permissions set in my

Answer 1

Figured it out,

You need to call Camera.open(0).

THIS IS ONLY VALID AND WORKING ON THE NEXUS 7 device, as it only has one camera, so is only useful if targeting that device only.