We will talk about frameworks in the context of Android and the web, because the problems in the UI that Android developers face are in the web and in other UI areas. Let’s take a look at HTML. We say that we must have a list, there must be two paragraphs with such and such text. Then a tree is built from this HTML.HTML is a very declarative thing, it just marks up and doesn’t do anything else. And from this side, you can look at HTML as a function that generates a UI for us without taking any data.......