import 'package:flutter/material.dart';

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

  @override
  State<AnimatedOpacityWidget> createState() => _AnimatedOpacityWidgetState();
}

class _AnimatedOpacityWidgetState extends State<AnimatedOpacityWidget> {
  double opacityLevel = 1.0;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("AnimatedOpacity Widget"),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            AnimatedOpacity(
              opacity: opacityLevel,
              duration: const Duration(seconds: 2),
              child: const FlutterLogo(size: 50),
            ),
            ElevatedButton(
              onPressed: () {
                setState(
                  () => opacityLevel = opacityLevel == 0 ? 1.0 : 0.0,
                );
              },
              child: const Text(
                'Fade Logo',
              ),
            )
          ],
        ),
      ),
    );
  }
}