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import 'package:flutter/material.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( 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}); final String title; @override State<MyHomePage> createState() => _MyHomePageState(); } class _MyHomePageState extends State<MyHomePage> { double boxSize = 100; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( backgroundColor: Theme.of(context).colorScheme.inversePrimary, title: const Text('Gestur Detector'), ), body: Center( child: Container( color: Colors.red, width: boxSize, height: boxSize, ), ), bottomNavigationBar: Container( color: Colors.yellow, padding: const EdgeInsets.all(16.0), child: Text( 'Taps: 0 - Double Taps: 0 - Long Press: 0', style: Theme.of(context).textTheme.headlineLarge, ), ), ); } }