How to set UIScreen Brightness Using UISlider in iOS4 from Setting.bundle

Question

I am working one Feature of setting Brightness of mainscreen i search lots of googling got one code.

UISlider *slider = (UISlider *)sender;
float fBrightness = s         


        

Answer 1

yeah you can do that by adding a blackView on your view and change its alpha based on the slider value .. it will looks like you are changing the brightness.