Hi! today we will talk about Material Design. It was presented at Google I/O conference in 2014 just as a concept and became popular very fast. Many app developers started to redesign their apps even without any help from SDK. And to be honest, they didn't even understand what Material Design is, primarily because even Google didn't really understand what it is. But at the moment, it's clear and understandable. With time Material Design got support from SDK and now we can build colorful, responsive, natural layouts with the very little effort. Material Design was invented with the endeavor to bring more of a real world to the digital space but keep it minimalistic. To achieve this goal three principles were stated. Digital paper Digital paper is the metaphor to reach the understanding of what is happening on the screen. Computers and digital devices were designed to reduce all the paperwork in our life but paper is still a convenient way of storing and transferring...