progressBar

[berkeresvan]

import 'package:flutter/material.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: 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 createState() => _MyHomePageState(); }

class _MyHomePageState extends State { bool progressbargorun = false; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( backgroundColor: Theme.of(context).colorScheme.inversePrimary, title: Text(widget.title), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ Visibility( visible: progressbargorun, child: CircularProgressIndicator( valueColor: AlwaysStoppedAnimation(Colors.deepPurple), ), ), ElevatedButton( onPressed: () { setState(() { progressbargorun = true; }); }, child: Text("basla")), ElevatedButton( onPressed: () { setState(() { progressbargorun = false; }); }, child: Text("dur")) ], ), ), ); } }