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This video is an introduction to:

  • Understanding the Widget Tree and the Element Tree.
  • How the Flutter application itself is a widget.
  • Elements have a reference to the widget and are responsible for comparing the widget differences.
  • When you see the use of BuildContext objects, they are the Element objects.
  • There is a third tree called the render tree that is a low-level layout and painting system that inherits from the RenderObject. The RenderObject computes and implements the basic layout and paint protocols.
  • We’ll take a look at the Stateless Widget and Element Tree.
  • The Stateful Widget and Element Tree.

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