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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MaterialApp is a widget that introduces a number of widgets Navigator, Theme that are required to build a material design app. Scaffold Widget is used under MaterialApp, it gives you many basic functionalities, like AppBar, BottomNavigationBar, Drawer, FloatingActionButton, etc.7 Oca 2022
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