Light sensor to dim screen?

Question

指向光传感器之后，我发现自己在这里问是否有人可以使用周围的环境光来调暗Android手机屏幕的示例代码。

Answer 1

This blog shows you how to get light sensor readings, http://android-coding.blogspot.com/2011/10/using-android-device-build-in-light.html

and this SO answer tells you how to adjust the brightness of the screen: Android 2.2: Adjusting screen brightness

Make sure to add any required permissions to your Android manifest for reading sensors.