Understanding MaterialApp
Shereef Abu Al-Maati · Apress eBooks · 2026
In Chapter 8 , you set up your Flutter environment, created your first project, and ran the default counter app. You saw the code in main.dart and recognized familiar Dart patterns, classes, constructors, named parameters, inheritance. But you also saw widgets you hadn’t built yourself: MaterialApp, Scaffold, AppBar, and others. It’s time to understand what those widgets actually do.