Look here>>https://www.google.com/search?q=best+tint+colour+for+glass+windows+and+doors+for+privacy&rlz=1C1LENN_enUS508US508&espv=2&tbm=isch&tbo=u&source=univ&sa=X&ei=CcT0U53XMYqp0QXg8oCgCw&ved=0CFUQsAQ&biw=1366&bih=643
This is a Simple Dialog Demo.