The Context Behind the Context: How Flutter Navigation Really Works

Have you ever wondered how navigation works in Flutter? I mean, you've typed Navigator.of(context).push(...) dozens of times. It works, you ship it, you move on. But have you ever stopped to ask, how actually does this work? what exactly is context, and why does Navigator need it at all? This is what we are going to cover in this article. We will explore the navigation system of Flutter and how everything works from the moment you "click" on the button from Screen A, until you land on Screen B. You know me...we will uncover every little secret that is hidden underneath the navigation system. And that's why, we need to start by explaining a few things about the Flutter's Widget Tree in general. Section 1: The Widget Tree and the others... Most Flutter developers carry a quiet misconception: that BuildContext is just a handle to their widget. A reference. A fancy this . Well... it isn't. And that misunderstanding is the root cause of some of the most confusing navigation bugs you'll ever