如何在颤动中向多个FloatingActionButton添加onPressed

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_reorderable_list/flutter_reorderable_list.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Reorderable FloatingActionButton',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: Scaffold(
        appBar: AppBar(
          title: Text('Reorderable FloatingActionButton'),
        ),
        body: MyHomePage(),
      ),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  List<String> _fabList = [
    'FAB 1',
    'FAB 2',
    'FAB 3',
  ];

  Widget _buildFloatingActionButton(int index) {
    return FloatingActionButton(
      onPressed: () {
        // TODO: Add onPressed action for each FloatingActionButton
      },
      child: Text(_fabList[index]),
    );
  }

  void _onReorder(int oldIndex, int newIndex) {
    setState(() {
      if (oldIndex < newIndex) {
        newIndex -= 1;
      }
      final String item = _fabList.removeAt(oldIndex);
      _fabList.insert(newIndex, item);
    });
  }

  @override
  Widget build(BuildContext context) {
    return ReorderableListView(
      onReorder: _onReorder,
      children: List.generate(_fabList.length, (index) {
        return ListTile(
          key: Key('$index'),
          title: _buildFloatingActionButton(index),
        );
      }),
    );
  }
}