颤动-如何使用开关按钮启用TextFormField

dependencies:
  vibration: ^1.7.1

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

class MyPage extends StatefulWidget {
  @override
  _MyPageState createState() => _MyPageState();
}

class _MyPageState extends State<MyPage> {
  bool isEnabled = false;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Flutter Demo'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Switch(
              value: isEnabled,
              onChanged: (bool value) {
                setState(() {
                  isEnabled = value;
                  if (isEnabled) {
                    Vibration.vibrate();
                  }
                });
              },
            ),
            TextFormField(
              enabled: isEnabled,
              decoration: InputDecoration(
                labelText: '请输入文本',
              ),
            ),
          ],
        ),
      ),
    );
  }
}

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

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

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