In order to write any Dart program, be it a script or a Flutter app, you must define a function called main . void main() { print(‘Hello, Dart’); } This function tells Dart where the program starts , and it must be in the file that is considered the “entry point” for you program.
Read moreWhat is runApp function in Flutter?
The runApp() function takes the given Widget and makes it the root of the widget tree .
Read moreWhat are the differences between main () and runApp () functions?
In Dart, main() acts as the entry point for the program whereas runApp() attaches the given widget to the screen . According to this post, it’s possible to establish configuration variables before actually attaching the first widget. This makes the separation between main() and runApp() pretty useful.15 Kas 2019
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