The adb user also has access to /dev/graphics/fb0 so theoretically you
could do this with a shell script over adb instead of rooting the
device.

On Jul 25, 5:47 pm, lbendlin <[email protected]> wrote:
> If you have a rooted phone and a large SD card  you could run a background 
> service that grabs the /dev/graphics/fb0  raw images and stores them for 
> later conversion. Or you convert it on the fly to png - but that might 
> stretch it already.

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