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main.dart
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main.dart
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// 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.
// ignore_for_file: public_member_api_docs
import 'package:flutter/material.dart';
import 'package:path_provider_platform_interface/path_provider_platform_interface.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Path Provider',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Path Provider'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
final PathProviderPlatform provider = PathProviderPlatform.instance;
Future<String?>? _tempDirectory;
Future<String?>? _appSupportDirectory;
Future<String?>? _appLibraryDirectory;
Future<String?>? _appDocumentsDirectory;
void _requestTempDirectory() {
setState(() {
_tempDirectory = provider.getTemporaryPath();
});
}
Widget _buildDirectory(
BuildContext context, AsyncSnapshot<String?> snapshot) {
Text text = const Text('');
if (snapshot.connectionState == ConnectionState.done) {
if (snapshot.hasError) {
text = Text('Error: ${snapshot.error}');
} else if (snapshot.hasData) {
text = Text('path: ${snapshot.data}');
} else {
text = const Text('path unavailable');
}
}
return Padding(padding: const EdgeInsets.all(16.0), child: text);
}
void _requestAppDocumentsDirectory() {
setState(() {
_appDocumentsDirectory = provider.getApplicationDocumentsPath();
});
}
void _requestAppSupportDirectory() {
setState(() {
_appSupportDirectory = provider.getApplicationSupportPath();
});
}
void _requestAppLibraryDirectory() {
setState(() {
_appLibraryDirectory = provider.getLibraryPath();
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: ListView(
children: <Widget>[
Padding(
padding: const EdgeInsets.all(16.0),
child: ElevatedButton(
onPressed: _requestTempDirectory,
child: const Text('Get Temporary Directory'),
),
),
FutureBuilder<String?>(
future: _tempDirectory, builder: _buildDirectory),
Padding(
padding: const EdgeInsets.all(16.0),
child: ElevatedButton(
onPressed: _requestAppDocumentsDirectory,
child: const Text('Get Application Documents Directory'),
),
),
FutureBuilder<String?>(
future: _appDocumentsDirectory, builder: _buildDirectory),
Padding(
padding: const EdgeInsets.all(16.0),
child: ElevatedButton(
onPressed: _requestAppSupportDirectory,
child: const Text('Get Application Support Directory'),
),
),
FutureBuilder<String?>(
future: _appSupportDirectory, builder: _buildDirectory),
Padding(
padding: const EdgeInsets.all(16.0),
child: ElevatedButton(
onPressed: _requestAppLibraryDirectory,
child: const Text('Get Application Library Directory'),
),
),
FutureBuilder<String?>(
future: _appLibraryDirectory, builder: _buildDirectory),
],
),
),
);
}
}