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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/material.dart';
/// Flutter code sample for [Stepper].
void main() => runApp(const StepperExampleApp());
class StepperExampleApp extends StatelessWidget {
const StepperExampleApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(title: const Text('Stepper Sample')),
body: const Center(
child: StepperExample(),
),
),
);
}
}
class StepperExample extends StatefulWidget {
const StepperExample({super.key});
@override
State<StepperExample> createState() => _StepperExampleState();
}
class _StepperExampleState extends State<StepperExample> {
int _index = 0;
@override
Widget build(BuildContext context) {
return Stepper(
currentStep: _index,
onStepCancel: () {
if (_index > 0) {
setState(() {
_index -= 1;
});
}
},
onStepContinue: () {
if (_index <= 0) {
setState(() {
_index += 1;
});
}
},
onStepTapped: (int index) {
setState(() {
_index = index;
});
},
steps: <Step>[
Step(
title: const Text('Step 1 title'),
content: Container(
alignment: Alignment.centerLeft,
child: const Text('Content for Step 1'),
),
),
const Step(
title: Text('Step 2 title'),
content: Text('Content for Step 2'),
),
],
);
}
}