颤动-如何在24H格式的ShowTimePicker中限制时间选择

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: Text('Time Picker Example')),
        body: TimePickerExample(),
      ),
    );
  }
}

class TimePickerExample extends StatefulWidget {
  @override
  _TimePickerExampleState createState() => _TimePickerExampleState();
}

class _TimePickerExampleState extends State<TimePickerExample> {
  TimeOfDay selectedTime;

  Future<void> _selectTime(BuildContext context) async {
    final TimeOfDay picked = await showTimePicker(
      context: context,
      initialTime: TimeOfDay.now(),
      builder: (BuildContext context, Widget child) {
        return MediaQuery(
          data: MediaQuery.of(context).copyWith(alwaysUse24HourFormat: true),
          child: child,
        );
      },
    );

    if (picked != null && picked != selectedTime) {
      setState(() {
        selectedTime = picked;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          Text('Selected Time: ${selectedTime?.format(context)}'),
          SizedBox(height: 20),
          ElevatedButton(
            onPressed: () => _selectTime(context),
            child: Text('Select Time'),
          ),
        ],
      ),
    );
  }
}

TimePickerThemeData(
  minTime: TimeOfDay(hour: 9, minute: 0),
  maxTime: TimeOfDay(hour: 17, minute: 0),
)