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

void main() {
  debugPrintGestureArenaDiagnostics = true;
  runApp(const MyApp());
}

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

  @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> {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: GestureDetector(
        onTap: () {
          print("Tapped on full screen!");
        },
        onScaleStart: (details) {
          print('onScaleStart');
        },
        onScaleUpdate: (details) {
          print('onScaleUpdate');
        },
        onScaleEnd: (_) async {
          print('onScaleEnd');
        },
        onHorizontalDragStart: (_) {
          print('onHorizontalDragStart');
        },
        onHorizontalDragEnd: (_) async { 
          print('onHorizontalDragEnd');
        },
        onHorizontalDragUpdate: (DragUpdateDetails details) async {
          print('onHorizontalDragUpdate');
        },
        onTapDown: (TapDownDetails details) {
          print('onTapDown');
        },
        onTapCancel: () async {
          print('onTapCancel');
        },
        child: Container(
          // Set the size to occupy the full screen
          width: double.infinity,
          height: double.infinity,
          color: Colors.red, // Background color
        ),
      ),
    );
  }
}