The program is no longer supported, updates will only be for critical errors or support new sdk version. Thank you for the feedback.

Important:
Camera related screen brightness feature works only in foreground.
Data from camera, light sensor, gps or any other sensors are unused in background.
Change brightness by unlock event is unsupported on android 9+.
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Application take preview from camera and check light value by that image.

Application never save or send any images or other data. Application never change any system settings except brightness.

Source code for application: https://github.com/0lvin/LightSensor