A basic loading overlay
Features
Creates a new scope where the user cannot leave until you programmatically pop it.
Usage
import 'package:flutter/material.dart';
import 'package:basic_loading_overlay/basic_loading_overlay.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: 'Basic Loading Overlay',
theme: ThemeData(
primarySwatch: Colors.blue,
),
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> {
int _counter = 0;
void _incrementCounter() {
setState(() {
_counter++;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Padding(
padding: const EdgeInsets.all(10.0),
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text(
'Everytime you push the button a loading overlay will appear for N seconds, where N is how many times you have pressed the button',
),
const SizedBox(
height: 15,
),
const Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
),
),
],
),
),
),
floatingActionButton: FloatingActionButton(
onPressed: _showOverlay,
tooltip: 'Increment',
child: const Icon(Icons.add),
),
);
}
Future<void> _showOverlay() async {
_incrementCounter();
Future.delayed(
Duration(seconds: _counter),
() => Navigator.of(context).pop(),
);
LoadingOverlay.show(
context: context,
);
}
}
Additional information
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