Take a look at the Camera 
API<http://developer.android.com/reference/android/hardware/Camera.html>. 
What you're trying to do is pretty straightforward.

   1. Get amount of cameras available with Camera.getNumberOfCameras()
   2. Call Camera.getCameraInfo(idx, cameraInfo) for each available camera. 
   The index number can range from 0 to the amount of cameras - 1

But be aware that these API extensions only exist since API level 9.

On Sunday, January 27, 2013 12:46:51 PM UTC-6, saex wrote:
>
> Hi
>
> I need to detect if the phone has a front facing camera, and if so, I need 
> to calculate the megapixels. The same thing goes for a rear facing camera.
>
> I know how to get the megapixels of a "Camera" object, but I don't know 
> how to check for the other things. 
>
> P.s.: I would also be nice if you know a way to check if the Camera has 
> flash or not, and other cool statistics about the camera
>

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