Nilen Patel Inc.

Tutorial and code of Gradient Button in Flutter. Copy and paste the below code as per your requirements.

gradient_button: ^0.0.4

import 'package:flutter/material.dart';
import 'package:gradient_button/gradient_button.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.amber,
      ),
      home: const MyHomePage(title: 'Gradient Button'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);
  final String title;

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

class _MyHomePageState extends State<MyHomePage> {

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      backgroundColor: Colors.grey.shade100,
      appBar: AppBar(
        title: Center(child: Text(widget.title)),
      ),
      body: Center(
        child: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.start,
            children: <Widget>[
              GradientButton(
                startColor: Colors.red,
                endColor: Colors.grey,
                onTap: (){
                  final snackBar = SnackBar(content: Text('Yay! A SnackBar!'));
                  ScaffoldMessenger.of(context).showSnackBar(snackBar);
                },
              ),
            ],
          ),
        ),
      ),
    );
  }
}