Android app for automatic screen brightness adjustment. Replacement for built-in feature. WARNING: This app is not one click solution! It requires some configuration to work properly. It uses 4 pairs of light sensor data and corresponding screen brightness. In-between values calculated as simple linear interpolation of those points. Main intended working mode is "Screen unlock/rotate" - read ambient light data, set brightness once... and do not annoy with backlight beaming anymore. Permissions: - Modify system settings - required to control display brightness - Phone - keep reading light sensor data while phone ringing in pocket - Notifications - to prevent being killed by system - Request ignore battery optimizations - to prevent service suspend - Run background service - it has "special use" type because does not fit in any category - Run at startup - ...