How does an inherited widget work?

InheritedWidget is a base class that allows classes that extend it to propagate information down the tree efficiently. Basically, it works by notifying registered build contexts if there is any change . Therefore, the descendant widgets that depend on it will only be rebuilt if necessary.

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What is scaffold widget in Flutter?

The Scaffold is a widget in Flutter used to implements the basic material design visual layout structure . It is quick enough to create a general-purpose mobile application and contains almost everything we need to create a functional and responsive Flutter apps. This widget is able to occupy the whole device screen.

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