analysis_options 2.0.1

The set of rules that encourage good coding practices for applications, packages, and plugins.

example/lib/main.dart

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

/// MyApp
class MyApp extends StatelessWidget {
  /// MyApp constructor
  const MyApp({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) => MaterialApp(
        title: 'Flutter Demo',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: const MyHomePage(title: 'Flutter Demo Home Page'),
      );
}

/// MyHomePage
class MyHomePage extends StatefulWidget {
  /// MyHomePage constructor
  const MyHomePage({required this.title, Key? key}) : super(key: key);

  /// Title
  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
  @override
  void debugFillProperties(DiagnosticPropertiesBuilder properties) {
    super.debugFillProperties(properties);
    properties.add(StringProperty('title', title));
  }
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  @override
  Widget build(BuildContext context) => Scaffold(
        appBar: AppBar(
          title: Text(widget.title),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              const Text(
                'You have pushed the button this many times:',
              ),
              Text(
                '$_counter',
                style: Theme.of(context).textTheme.headline4,
              ),
            ],
          ),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: _incrementCounter,
          tooltip: 'Increment',
          child: const Icon(Icons.add),
        ),
      );

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }
}