MyApp Class: This is the root widget of the application. It sets up the theme and the home page of the app.MyHomePage Class: A stateful widget that manages the app’s state, including the counter value._incrementCounter Method: Updates the state of the app by increasing the counter each time the button is pressed.Scaffold Widget: Provides the basic material design layout structure, including an app bar and a body for the main content.
To add external packages, update the pubspec.yaml file. For example, to use the http package for networking: