Only invert the settings is difficult because the color of the letters and numbers have to be changed to a light color and that effects the whole rom. In settings it will be oke but on other apps and parts of the rom you get light text on light backgrounds.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service