| // Copyright 2013 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:file_selector_platform_interface/file_selector_platform_interface.dart'; |
| import 'package:flutter/material.dart'; |
| |
| /// Screen that allows the user to select a directory using `getDirectoryPath`, |
| /// then displays the selected directory in a dialog. |
| class GetDirectoryPage extends StatelessWidget { |
| /// Default Constructor |
| const GetDirectoryPage({super.key}); |
| |
| Future<void> _getDirectoryPath(BuildContext context) async { |
| const String confirmButtonText = 'Choose'; |
| final String? directoryPath = |
| await FileSelectorPlatform.instance.getDirectoryPath( |
| confirmButtonText: confirmButtonText, |
| ); |
| if (directoryPath == null) { |
| // Operation was canceled by the user. |
| return; |
| } |
| if (context.mounted) { |
| await showDialog<void>( |
| context: context, |
| builder: (BuildContext context) => TextDisplay(directoryPath), |
| ); |
| } |
| } |
| |
| @override |
| Widget build(BuildContext context) { |
| return Scaffold( |
| appBar: AppBar( |
| title: const Text('Open a text file'), |
| ), |
| body: Center( |
| child: Column( |
| mainAxisAlignment: MainAxisAlignment.center, |
| children: <Widget>[ |
| ElevatedButton( |
| style: ElevatedButton.styleFrom( |
| // TODO(darrenaustin): Migrate to new API once it lands in stable: https://github.com/flutter/flutter/issues/105724 |
| // ignore: deprecated_member_use |
| primary: Colors.blue, |
| // ignore: deprecated_member_use |
| onPrimary: Colors.white, |
| ), |
| child: const Text('Press to ask user to choose a directory'), |
| onPressed: () => _getDirectoryPath(context), |
| ), |
| ], |
| ), |
| ), |
| ); |
| } |
| } |
| |
| /// Widget that displays a text file in a dialog. |
| class TextDisplay extends StatelessWidget { |
| /// Creates a `TextDisplay`. |
| const TextDisplay(this.directoryPath, {super.key}); |
| |
| /// The path selected in the dialog. |
| final String directoryPath; |
| |
| @override |
| Widget build(BuildContext context) { |
| return AlertDialog( |
| title: const Text('Selected Directory'), |
| content: Scrollbar( |
| child: SingleChildScrollView( |
| child: Text(directoryPath), |
| ), |
| ), |
| actions: <Widget>[ |
| TextButton( |
| child: const Text('Close'), |
| onPressed: () => Navigator.pop(context), |
| ), |
| ], |
| ); |
| } |
| } |