bouncing_loading_button 0.0.5

A customizable Flutter loading button with smooth animations and state transitions.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:bouncing_loading_button/loading_button.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: 'Loading Button Example',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurpleAccent),
        useMaterial3: true,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  bool _isLoading1 = false;
  bool _isDone1 = false;
  bool _isLoading2 = false;
  bool _isDone2 = false;

  Future<void> _handlePress1() async {
    setState(() {
      _isLoading1 = true;
      _isDone1 = false;
    });
    await Future.delayed(const Duration(seconds: 5));
    setState(() {
      _isLoading1 = false;
      _isDone1 = true;
    });
    await Future.delayed(const Duration(seconds: 2));
    setState(() {
      _isDone1 = false;
    });
  }

  Future<void> _handlePress2() async {
    setState(() {
      _isLoading2 = true;
      _isDone2 = false;
    });
    await Future.delayed(const Duration(seconds: 5));
    setState(() {
      _isLoading2 = false;
      _isDone2 = true;
    });
    await Future.delayed(const Duration(seconds: 2));
    setState(() {
      _isDone2 = false;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.deepPurple.shade50,
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            LoadingButton(
              label: 'Filled Button',
              isLoading: _isLoading1,
              isDone: _isDone1,
              onPressed: _handlePress1,
              style: LoadingButtonStyle(
                backgroundColor: Colors.deepPurpleAccent,
                foregroundColor: Colors.white,
                borderRadius: 5.0,
                width: 150.0,
                height: 50.0,
                fontSize: 18.0,
                elevation: 8.0,
              ),
            ),
            const SizedBox(height: 24),
            LoadingButton(
              label: 'Outlined Button',
              isLoading: _isLoading2,
              isDone: _isDone2,
              onPressed: _handlePress2,
              style: LoadingButtonStyle(
                backgroundColor: Colors.deepPurpleAccent,
                foregroundColor: Colors.deepPurpleAccent,
                borderRadius: 5.0,
                width: 150.0,
                height: 50.0,
                fontSize: 18.0,
                elevation: 0.0,
                isOutlined: true,
                outlineWidth: 2.0,
              ),
            ),
          ],
        ),
      ),
    );
  }
}