Quicksort/lib/main.dart

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: themedataLight,
      darkTheme: themedataLight,
      themeMode: ThemeMode.system,
      home: const MyHomePage(),
    );
  }

  static ThemeData themedataLight = ThemeData(
    colorScheme: ColorScheme.fromSeed(
      seedColor: Colors.deepPurple,
      brightness: Brightness.light,
    ),
    useMaterial3: true,
    brightness: Brightness.light,
    textTheme: Typography.material2021().black,
  );

  static ThemeData themedataDark = ThemeData(
    colorScheme: ColorScheme.fromSeed(
      seedColor: Colors.deepPurple,
      brightness: Brightness.dark,
    ),
    useMaterial3: true,
    brightness: Brightness.dark,
    textTheme: Typography.material2021().black,
  );
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

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

class _MyHomePage extends State<MyHomePage> {
  final myController = TextEditingController();

  @override
  void dispose() {
    myController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("QuickSort Demo"),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          int number = int.parse(myController.text);
          if (number > 1) {
            Navigator.push(
                context,
                MaterialPageRoute(
                    builder: (context) =>
                        Sorting(amount: int.parse(myController.text))));
          }
        },
        tooltip: 'Start Sorting!',
        child: const Icon(Icons.start),
      ),
      body: Center(
        child: Row(
          children: [
            const Spacer(),
            Text(
              "Wie viele Zahlen sollen sortiert werden?",
              style: Theme.of(context).textTheme.headlineMedium,
            ),
            SizedBox(
              width: 70,
              child: TextField(
                autocorrect: false,
                keyboardType: TextInputType.number,
                maxLength: 3,
                controller: myController,
              ),
            ),
            const Spacer(),
          ],
        ),
      ),
    );
  }
}