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I have made an app that uses facial recognition, and I would like to run it on an RPi3. I have exhausted my google-fu in trying to find an Android build that works well on the RPi3 (it's the only Pi that I think will be powerful enough to run the app), and I have found this: https://groups.google.com/forum/m/#!topic/android-rpi/fgyEhn5vxbg

Looks like there are some people who have android running on the RPi3, but I'm not sure whether the Camera will be a plug and play solution that I am looking for, or whether it will require me to write drivers/kernels/other complicated things that I have no experience in.

So my question is: has anyone installed android on an RPi3, and successfully used the Camera Module V2 with it? I would much prefer not to use a USB camera for this application.

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    There's several things required to get the camera module working on any given Linux based platform. The first is the camera firmware (/boot/start_x.elf on Raspbian), the second is whatever kernel module exposes the /dev/vchiq device (sorry, not sure off the top of my head), and then whatever userspace libraries you need (I'm most familiar with libmmal, but there are a couple of V4L2 drivers available, and OpenMAX is another possibility) – Dave Jones Aug 10 '16 at 14:54
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Yes, with Android Things, the RPI3 and the Camera v2 it's basically a plug and play solution; no kernel modifications or user libraries needed, just java code with the standard Android APIs.

See the Android Things documentation here

You may have to modify your app to run on Android Things however.

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