adaptive_screen_utils 0.0.1

Flutter Package for creating adaptive UIs for different screen sizes.

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // TRY THIS: Try running your application with "flutter run". You'll see
        // the application has a purple toolbar. Then, without quitting the app,
        // try changing the seedColor in the colorScheme below to Colors.green
        // and then invoke "hot reload" (save your changes or press the "hot
        // reload" button in a Flutter-supported IDE, or press "r" if you used
        // the command line to start the app).
        //
        // Notice that the counter didn't reset back to zero; the application
        // state is not lost during the reload. To reset the state, use hot
        // restart instead.
        //
        // This works for code too, not just values: Most code changes can be
        // tested with just a hot reload.
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  // int _counter = 0;

  // void _incrementCounter() {
  //   setState(() {
  //     // This call to setState tells the Flutter framework that something has
  //     // changed in this State, which causes it to rerun the build method below
  //     // so that the display can reflect the updated values. If we changed
  //     // _counter without calling setState(), then the build method would not be
  //     // called again, and so nothing would appear to happen.
  //     _counter++;
  //   });
  // }

  @override
  Widget build(BuildContext context) {
    final mobile = compact(context);
    final tablet = medium(context);
    // final desktop = expanded(context);
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // TRY THIS: Try changing the color here to a specific color (to
        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
        // change color while the other colors stay the same.
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: GridView(
          gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
            crossAxisCount: mobile
                ? 2
                : tablet
                    ? 3
                    : 4,
          ),
          children: [
            ...List.generate(
              100,
              (index) => Container(
                color: index.isEven
                    ? Theme.of(context).colorScheme.primary
                    : Theme.of(context).colorScheme.secondary,
                child: Center(
                  child: Text(
                    'Item $index',
                    style: Theme.of(context).textTheme.titleLarge,
                  ),
                ),
              ),
            ),
          ]),
      // floatingActionButton: FloatingActionButton(
      //   onPressed: _incrementCounter,
      //   tooltip: 'Increment',
      //   child: const Icon(Icons.add),
      // ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}