[shared_preferences] Adds support for Windows

packages/shared_preferences/shared_preferences/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.5.7
+
+* Adds support for Windows.
+
 ## 0.5.6+3
 
 * Fix deprecated API usage warning.

packages/shared_preferences/shared_preferences/example/test_driver/shared_preferences_e2e_test.dart

@@ -1,4 +1,4 @@
-// Copyright 2019, the Chromium project authors.  Please see the AUTHORS file
+// Copyright 2017, the Chromium project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 

packages/shared_preferences/shared_preferences/lib/shared_preferences.dart

@@ -4,9 +4,12 @@
 
 import 'dart:async';
 
+import 'package:flutter/foundation.dart';
 import 'package:meta/meta.dart';
+import 'package:platform/platform.dart';
 
 import 'package:shared_preferences_platform_interface/shared_preferences_platform_interface.dart';
+import 'package:shared_preferences_windows/shared_preferences_windows.dart';
 
 /// Wraps NSUserDefaults (on iOS) and SharedPreferences (on Android), providing
 /// a persistent store for simple data.
@@ -18,8 +21,14 @@ class SharedPreferences {
   static const String _prefix = 'flutter.';
   static Completer<SharedPreferences> _completer;
 
-  static SharedPreferencesStorePlatform get _store =>
-      SharedPreferencesStorePlatform.instance;
+  static SharedPreferencesStorePlatform get _store {
+    // This is a workaround until https://github.com/flutter/flutter/issues/52267
+    // is fixed. There is no way currently to register a Dart-only plugin.
+    if (!kIsWeb && LocalPlatform().isWindows) {
+      return SharedPreferencesWindows();
+    }
+    return SharedPreferencesStorePlatform.instance;
+  }
 
   /// Loads and parses the [SharedPreferences] for this app from disk.
   ///

packages/shared_preferences/shared_preferences/pubspec.yaml

@@ -2,7 +2,7 @@ name: shared_preferences
 description: Flutter plugin for reading and writing simple key-value pairs.
   Wraps NSUserDefaults on iOS and SharedPreferences on Android.
 homepage: https://github.com/flutter/plugins/tree/master/packages/shared_preferences/shared_preferences
-version: 0.5.6+3
+version: 0.5.7
 
 flutter:
   plugin:
@@ -21,6 +21,7 @@ dependencies:
   meta: ^1.0.4
   flutter:
     sdk: flutter
+  platform: 2.2.1
   shared_preferences_platform_interface: ^1.0.0
   # The design on https://flutter.dev/go/federated-plugins was to leave
   # this constraint as "any". We cannot do it right now as it fails pub publish
@@ -29,6 +30,8 @@ dependencies:
   # https://github.com/flutter/flutter/issues/46264
   shared_preferences_macos: ^0.0.1
   shared_preferences_web: ^0.1.2
+  shared_preferences_windows:
+    path: ../shared_preferences_windows
 
 dev_dependencies:
   flutter_test:

packages/shared_preferences/shared_preferences_macos/example/test_driver/shared_preferences_e2e_test.dart

@@ -1,4 +1,4 @@
-// Copyright 2019, the Chromium project authors.  Please see the AUTHORS file
+// Copyright 2017, the Chromium project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 

packages/shared_preferences/shared_preferences_web/LICENSE

@@ -1,4 +1,4 @@
-// Copyright 2019 The Chromium Authors. All rights reserved.
+// Copyright 2017 The Chromium Authors. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are

packages/shared_preferences/shared_preferences_windows/.metadata

@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: df90bb5fd64e2066594151b9e311d45cd687a80c
+  channel: master
+
+project_type: plugin

packages/shared_preferences/shared_preferences_windows/CHANGELOG.md

@@ -0,0 +1,3 @@
+## 0.0.1
+
+* Initial release to support shared_preferences on Windows.

packages/shared_preferences/shared_preferences_windows/LICENSE

@@ -0,0 +1,27 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

packages/shared_preferences/shared_preferences_windows/README.md

@@ -0,0 +1,23 @@
+# shared_preferences_windows
+
+The Windows implementation of [`shared_preferences`][1].
+
+## Usage
+
+### Import the package
+
+This package has been endorsed, meaning that you only need to add `shared_preferences`
+as a dependency in your `pubspec.yaml`. It will be automatically included in your app
+when you depend on `package:shared_preferences`.
+
+This is what the above means to your `pubspec.yaml`:
+
+```yaml
+...
+dependencies:
+  ...
+  shared_preferences: ^0.5.7
+  ...
+```
+
+[1]: ../

packages/shared_preferences/shared_preferences_windows/example/.gitignore

@@ -0,0 +1,43 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Web related
+lib/generated_plugin_registrant.dart
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Exceptions to above rules.
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages

packages/shared_preferences/shared_preferences_windows/example/.metadata

@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: df90bb5fd64e2066594151b9e311d45cd687a80c
+  channel: master
+
+project_type: app

packages/shared_preferences/shared_preferences_windows/example/CHANGELOG.md

@@ -0,0 +1,3 @@
+## 0.0.1
+
+* TODO: Describe initial release.

packages/shared_preferences/shared_preferences_windows/example/LICENSE

@@ -0,0 +1,27 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

packages/shared_preferences/shared_preferences_windows/example/README.md

@@ -0,0 +1,16 @@
+# shared_preferences_windows_example
+
+Demonstrates how to use the shared_preferences_windows plugin.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
+
+For help getting started with Flutter, view our
+[online documentation](https://flutter.dev/docs), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.

packages/shared_preferences/shared_preferences_windows/example/lib/main.dart

@@ -0,0 +1,87 @@
+// Copyright 2017 The Chromium 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 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+void main() {
+  runApp(MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'SharedPreferences Demo',
+      home: SharedPreferencesDemo(),
+    );
+  }
+}
+
+class SharedPreferencesDemo extends StatefulWidget {
+  SharedPreferencesDemo({Key key}) : super(key: key);
+
+  @override
+  SharedPreferencesDemoState createState() => SharedPreferencesDemoState();
+}
+
+class SharedPreferencesDemoState extends State<SharedPreferencesDemo> {
+  Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
+  Future<int> _counter;
+
+  Future<void> _incrementCounter() async {
+    final SharedPreferences prefs = await _prefs;
+    final int counter = (prefs.getInt('counter') ?? 0) + 1;
+
+    setState(() {
+      _counter = prefs.setInt("counter", counter).then((bool success) {
+        return counter;
+      });
+    });
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _counter = _prefs.then((SharedPreferences prefs) {
+      return (prefs.getInt('counter') ?? 0);
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text("SharedPreferences Demo"),
+      ),
+      body: Center(
+          child: FutureBuilder<int>(
+              future: _counter,
+              builder: (BuildContext context, AsyncSnapshot<int> snapshot) {
+                switch (snapshot.connectionState) {
+                  case ConnectionState.waiting:
+                    return const CircularProgressIndicator();
+                  default:
+                    if (snapshot.hasError) {
+                      return Text('Error: ${snapshot.error}');
+                    } else {
+                      return Text(
+                        'Button tapped ${snapshot.data} time${snapshot.data == 1 ? '' : 's'}.\n\n'
+                        'This should persist across restarts.',
+                      );
+                    }
+                }
+              })),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _incrementCounter,
+        tooltip: 'Increment',
+        child: const Icon(Icons.add),
+      ),
+    );
+  }
+}

packages/shared_preferences/shared_preferences_windows/example/pubspec.yaml

@@ -0,0 +1,24 @@
+name: shared_preferences_windows_example
+description: Demonstrates how to use the shared_preferences_windows plugin.
+
+environment:
+  sdk: ">=2.7.0 <3.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+  shared_preferences:
+    path: ../../shared_preferences
+  shared_preferences_windows:
+    path: ../
+
+dev_dependencies:
+  flutter_driver:
+    sdk: flutter
+  test: any
+  e2e: ^0.2.0
+  pedantic: ^1.8.0
+
+flutter:
+  uses-material-design: true