gradient_loading_button 0.0.2 gradient_loading_button: ^0.0.2 copied to clipboard
Gradient loading button with success and error result
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:gradient_loading_button/gradient_loading_button.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
// This makes the visual density adapt to the platform that you run
// the app on. For desktop platforms, the controls will be smaller and
// closer together (more dense) than on mobile platforms.
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: MyHomePage(),
);
}
}
class MyHomePage extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: "Progress Button Sample",
home: Scaffold(
appBar: AppBar(
title: Text("Sample"),
),
body: Center(
child: Container(
width: 200,
height: 60,
child: LoadingButton(
borderRadius: BorderRadius.all(Radius.circular(8)),
gradient: new LinearGradient(colors: <Color>[
Colors.red,
Colors.blue,
]),
strokeWidth: 2,
child: Text(
"Sample",
style: TextStyle(
color: Colors.white,
fontSize: 24,
),
),
errorChild: const Icon(
Icons.close_sharp,
color: Colors.white,
),
successChild: const Icon(
Icons.check_sharp,
color: Colors.white,
),
onPressed: (controller) async {
await controller.loading();
await new Future.delayed(const Duration(seconds: 3));
if (Random.secure().nextBool())
await controller.success();
else
await controller.error();
},
),
),
),
),
);
}
}