The main() function came from Java-like languages so it’s where all program started, without it, you can’t write any program on Flutter even without UI. The runApp() function should return widget that would be attached to the screen as a root of the widget Tree that will be rendered.20 Tem 2020
Read moreWhat is difference between scaffold and MaterialApp in Flutter?
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.
Read moreWhat is MaterialApp in Flutter?
MaterialApp is an extension of the generic top-level widget provided by Flutter: WidgetsApp . WidgetsApp is a convenience widget that abstracts away a number of features required for most mobile apps, such as setting up a navigator and using an app-wide theme.
Read moreWhat is context in Dart?
context is a BuildContext instance which gets passed to the builder of a widget in order to let it know where it is inside the Widget Tree of your app . One of the common uses is passing it to the of method when using an Inherited Widget.
Read moreWhat is the scaffold in Flutter?
Scaffold is a class in flutter which provides many widgets or we can say APIs like Drawer, SnackBar, BottomNavigationBar, FloatingActionButton, AppBar etc. Scaffold will expand or occupy the whole device screen. It will occupy the available space.
Read moreWhat is BuildContext context?
BuildContext is, like it’s name is implying, the context in which a specific widget is built . If you’ve ever done some React before, that context is kind of similar to React’s context (but much smoother to use) ; with a few bonuses.4 Mar 2018
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