flutter_scrolling_fab_animated 0.1.5

Package to add a floating button whose change of size when scroll down

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_scrolling_fab_animated/flutter_scrolling_fab_animated.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,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: Home(),
    );
  }
}

class Home extends StatefulWidget {
  Home({Key? key}) : super(key: key);

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

class _HomeState extends State<Home> {
  List<String> items = [];
  ScrollController _scrollController = ScrollController();
  double indicator = 10.0;
  bool onTop = true;

  @override
  void initState() {
    super.initState();
    addItemsToTheList();
  }

  @override
  void dispose() {
    _scrollController.dispose();
    super.dispose();
  }

  void addItemsToTheList() {
    for (int count = 0; count < 100; count++) {
      items.add('Person ${count + 1}');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: const Text('Flutter Scrolling Fab Animated Demo'),
        ),
        body: Container(
          child: ListView.builder(
              controller: _scrollController,
              itemCount: items.length,
              itemBuilder: (BuildContext ctxt, int index) {
                return Card(
                    child: ListTile(
                  title: Text(items[index]),
                ));
              }),
        ),
        floatingActionButton: ScrollingFabAnimated(
          icon: const Icon(
            Icons.add,
            color: Colors.white,
          ),
          text: const Text(
            'Add',
            style: TextStyle(color: Colors.white, fontSize: 16.0),
          ),
          onPress: () {
            print('onPress');
          },
          onLongPress: () {
            print('onLongPress');
          },
          scrollController: _scrollController,
          animateIcon: true,
          inverted: false,
        ));
  }
}