Flutter Neumorphism

main.dart

// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
// for details. 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';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  final colors = [
    Colors.blue,
    Colors.pinkAccent,
    Colors.purpleAccent,
    Colors.redAccent
  ];

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.orange,
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Slider(
              value: _counter.ceilToDouble(),
              onChanged: (newVal) {
                setState(() {
                  _counter = newVal.floor();
                });
              },
              activeColor: colors[_counter],
              min: 0,
              max: colors.length.ceilToDouble() - 1,
              divisions: colors.length - 1,
              label: "$_counter",
            ),
            Container(
                width: 200,
                height: 50,
                child: Icon(Icons.shopping_cart, size: 40),
                decoration: BoxDecoration(
                  color: Colors.orange,
                  borderRadius: BorderRadius.all(Radius.circular(20)),
                  boxShadow: [
                    BoxShadow(
                      color: Colors.orange[800],
                      offset: Offset(4.0,4.0),
                      blurRadius: 15.0,
                      spreadRadius: 1.0
                    ),
                    BoxShadow(
                      color: Colors.orange[300],
                      offset: Offset(-4.0,-4.0),
                      blurRadius: 15.0,
                      spreadRadius: 1.0
                    ),
                  ],
                ),
            ),
            SizedBox(height: 20),
            Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.display1,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ),
    );
  }
}