// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flutter code sample for CupertinoTextFormFieldRow

import 'package:flutter/cupertino.dart';

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: _title,
      home: MyStatefulWidget(),
    );
  }
}

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

  @override
  State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
}

class _MyStatefulWidgetState extends State<MyStatefulWidget> {
  @override
  Widget build(BuildContext context) {
    return CupertinoPageScaffold(
      child: Center(
        child: Form(
          autovalidateMode: AutovalidateMode.always,
          onChanged: () {
            Form.of(primaryFocus!.context!)?.save();
          },
          child: CupertinoFormSection.insetGrouped(
            header: const Text('SECTION 1'),
            children: List<Widget>.generate(5, (int index) {
              return CupertinoTextFormFieldRow(
                prefix: const Text('Enter text'),
                placeholder: 'Enter text',
                validator: (String? value) {
                  if (value == null || value.isEmpty) {
                    return 'Please enter a value';
                  }
                  return null;
                },
              );
            }),
          ),
        ),
      ),
    );
  }
}