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 Flutter widget?
Widgets are the central class hierarchy in the Flutter framework . A widget is an immutable description of part of a user interface. Widgets can be inflated into elements, which manage the underlying render tree. Widgets themselves have no mutable state (all their fields must be final).
Read moreWhat’s the role of runApp () in Flutter?
The runApp() function takes the given Widget and makes it the root of the widget tree . In this example, the widget tree consists of two widgets, the Center widget and its child, the Text widget.
Read moreWhat is main Flutter?
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 MyApp in Flutter?
In the “Hello Flutter” code above, MyApp is a widget created by us which will build the screen layout . Every custom widget has a build function which returns a Widget.
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