examples/api/lib/widgets/focus_manager/focus_node.unfocus.0.dart

// 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.

import 'package:flutter/material.dart';

/// Flutter code sample for [FocusNode.unfocus].

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

class UnfocusExampleApp extends StatelessWidget {
  const UnfocusExampleApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(home: UnfocusExample());
  }
}

class UnfocusExample extends StatefulWidget {
  const UnfocusExample({super.key});

  @override
  State<UnfocusExample> createState() => _UnfocusExampleState();
}

class _UnfocusExampleState extends State<UnfocusExample> {
  UnfocusDisposition disposition = .scope;

  @override
  Widget build(BuildContext context) {
    return Material(
      child: ColoredBox(
        color: Colors.white,
        child: Column(
          mainAxisAlignment: .center,
          children: <Widget>[
            Wrap(
              children: List<Widget>.generate(4, (int index) {
                return const SizedBox(
                  width: 200,
                  child: Padding(
                    padding: .all(8.0),
                    child: TextField(
                      decoration: InputDecoration(border: OutlineInputBorder()),
                    ),
                  ),
                );
              }),
            ),
            RadioGroup<UnfocusDisposition>(
              groupValue: disposition,
              onChanged: (UnfocusDisposition? value) {
                setState(() {
                  if (value != null) {
                    disposition = value;
                  }
                });
              },
              child: Row(
                mainAxisAlignment: .spaceAround,
                children: <Widget>[
                  ...List<Widget>.generate(UnfocusDisposition.values.length, (
                    int index,
                  ) {
                    return Row(
                      mainAxisSize: .min,
                      children: <Widget>[
                        Radio<UnfocusDisposition>(
                          value: UnfocusDisposition.values[index],
                        ),
                        Text(UnfocusDisposition.values[index].name),
                      ],
                    );
                  }),
                  OutlinedButton(
                    child: const Text('UNFOCUS'),
                    onPressed: () {
                      primaryFocus!.unfocus(disposition: disposition);
                    },
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}