Originally Posted by nrseife
How about using the builtin camera sensor to automatically adjust the screen brightness level. That probably has to go into the firmware rather than an wgt type up.
Sent from my GT-N5110 using xda premium
this would either be not energy efficient (cam hardware uses lots of power when online, due to controller, own firmware, ...), or you would have to design some sort of "check every minute and measure for 0,5sec", but i doubt that kind of response time would satisfy you...