Controlling The Brightness Of The Flashlight In Android

I want to develop an android application using a penlight. When I use the flashlight, brightness is too strong. I want to reduce the brightness of the flash light. I have used came

Solution 1:

Unfortunately there is no reliable solution for this as there is no official Android API for this kind of functionality. There is a hacky "solution" that works on some rooted devices. But as I said, nothing reliable. See this post.