Making widgets visible and invisible on pressed in flutter

 import 'package:flutter/material.dart';

import 'package:techrype/current_screen.dart';

void main() {
runApp(const MaterialApp(
debugShowCheckedModeBanner: false,
home: MyHomePage(),
));
}

class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key}) : super(key: key);

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

class _MyHomePageState extends State<MyHomePage> {

bool isVisible = true;

@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
Visibility(
visible: isVisible,
maintainAnimation: true,
maintainSize: true,
maintainState: true,
child: Container(
height: 200,
width: 200,
color: Colors.red,
),
),
ElevatedButton(onPressed: (){
setState(() {
isVisible =! isVisible;
});
}, child: const Icon(Icons.slideshow))
],
),
)
);
}
}

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