Added proper support for web and desktop.

example/pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -99,7 +99,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   meta:
     dependency: transitive
     description:
@@ -113,7 +120,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "2.0.4"
+    version: "2.0.5"
   path:
     dependency: transitive
     description:
@@ -169,7 +176,7 @@ packages:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.9"
+    version: "2.0.13"
   shared_preferences_android:
     dependency: transitive
     description:
@@ -190,14 +197,14 @@ packages:
       name: shared_preferences_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "2.1.0"
   shared_preferences_macos:
     dependency: transitive
     description:
       name: shared_preferences_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
@@ -211,14 +218,14 @@ packages:
       name: shared_preferences_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   shared_preferences_windows:
     dependency: transitive
     description:
       name: shared_preferences_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "2.1.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -265,7 +272,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.8"
   typed_data:
     dependency: transitive
     description:
@@ -279,7 +286,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   win32:
     dependency: transitive
     description:

example/pubspec.yaml

@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  shared_preferences: ^2.0.9
+  shared_preferences: ^2.0.13
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.

lib/native_shared_preferences.dart

@@ -9,8 +9,10 @@ import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:meta/meta.dart';
 import 'package:native_shared_preferences/native_shared_preferences_platform_interface.dart';
 import 'package:shared_preferences_linux/shared_preferences_linux.dart';
+import 'package:shared_preferences_macos/shared_preferences_macos.dart';
 import 'package:shared_preferences_platform_interface/method_channel_shared_preferences.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_platform_interface.dart';
+import 'package:shared_preferences_web/shared_preferences_web.dart';
 import 'package:shared_preferences_windows/shared_preferences_windows.dart';
 
 /// Wraps NSUserDefaults (on iOS) and SharedPreferences (on Android), providing
@@ -24,20 +26,28 @@ class NativeSharedPreferences {
   static Completer<NativeSharedPreferences>? _completer;
   static bool _manualDartRegistrationNeeded = true;
 
-  static NativeSharedPreferencesStorePlatform get _store {
+  static SharedPreferencesStorePlatform get _store {
     // This is to manually endorse the Linux implementation until automatic
     // registration of dart plugins is implemented. For details see
     // https://github.com/flutter/flutter/issues/52267.
     if (_manualDartRegistrationNeeded) {
       // Only do the initial registration if it hasn't already been overridden
       // with a non-default instance.
-      if (!kIsWeb &&
+      if (kIsWeb) {
+        return SharedPreferencesStorePlatform.instance =
+            SharedPreferencesPlugin();
+      } else if (!kIsWeb &&
           NativeSharedPreferencesStorePlatform.instance
               is MethodChannelSharedPreferencesStore) {
         if (Platform.isLinux) {
-          SharedPreferencesStorePlatform.instance = SharedPreferencesLinux();
+          return SharedPreferencesStorePlatform.instance =
+              SharedPreferencesLinux();
         } else if (Platform.isWindows) {
-          SharedPreferencesStorePlatform.instance = SharedPreferencesWindows();
+          return SharedPreferencesStorePlatform.instance =
+              SharedPreferencesWindows();
+        } else if (Platform.isMacOS) {
+          return SharedPreferencesStorePlatform.instance =
+              SharedPreferencesMacOS();
         }
       }
       _manualDartRegistrationNeeded = false;
@@ -195,9 +205,15 @@ class NativeSharedPreferences {
   }
 
   Future<Map<String, Object>> getAllFromDictionary(List<String> keys) async {
-    final Map<String, Object> fromDictionary =
-        await _store.getAllFromDictionary(keys);
-    return fromDictionary;
+    if (_store is NativeSharedPreferencesStorePlatform) {
+      final Map<String, Object> fromDictionary =
+          await (_store as NativeSharedPreferencesStorePlatform)
+              .getAllFromDictionary(keys);
+      return fromDictionary;
+    } else {
+      return (await _store.getAll())
+        ..removeWhere((key, value) => !key.contains(key));
+    }
   }
 
   /// Initializes the shared preferences with mock values for testing.

lib/native_shared_preferences_platform_interface.dart

@@ -5,6 +5,7 @@
 import 'dart:async';
 
 import 'package:flutter/foundation.dart';
+import 'package:shared_preferences_platform_interface/shared_preferences_platform_interface.dart';
 
 import 'method_channel_native_shared_preferences.dart';
 
@@ -15,7 +16,8 @@ import 'method_channel_native_shared_preferences.dart';
 /// (using `extends`) ensures that the subclass will get the default implementation, while
 /// platform implementations that `implements` this interface will be broken by newly added
 /// [NativeSharedPreferencesStorePlatform] methods.
-abstract class NativeSharedPreferencesStorePlatform {
+abstract class NativeSharedPreferencesStorePlatform
+    extends SharedPreferencesStorePlatform {
   /// The default instance of [NativeSharedPreferencesStorePlatform] to use.
   ///
   /// Defaults to [MethodChannelNativeSharedPreferencesStore].
@@ -49,23 +51,6 @@ abstract class NativeSharedPreferencesStorePlatform {
   /// Removes the value associated with the [key].
   Future<bool> remove(String key);
 
-  /// Stores the [value] associated with the [key].
-  ///
-  /// The [valueType] must match the type of [value] as follows:
-  ///
-  /// * Value type "Bool" must be passed if the value is of type `bool`.
-  /// * Value type "Double" must be passed if the value is of type `double`.
-  /// * Value type "Int" must be passed if the value is of type `int`.
-  /// * Value type "String" must be passed if the value is of type `String`.
-  /// * Value type "StringList" must be passed if the value is of type `List<String>`.
-  Future<bool> setValue(String valueType, String key, Object value);
-
-  /// Removes all keys and values in the store.
-  Future<bool> clear();
-
-  /// Returns all key/value pairs persisted in this store.
-  Future<Map<String, Object>> getAll();
-
   /// Returns all key/value pairs persisted in this store.
   Future<Map<String, Object>> getAllFromDictionary(List<String> keys);
 

pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -92,7 +92,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   meta:
     dependency: "direct main"
     description:
@@ -155,7 +162,7 @@ packages:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.9"
+    version: "2.0.13"
   shared_preferences_android:
     dependency: transitive
     description:
@@ -176,14 +183,14 @@ packages:
       name: shared_preferences_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "2.1.0"
   shared_preferences_macos:
     dependency: "direct main"
     description:
       name: shared_preferences_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   shared_preferences_platform_interface:
     dependency: "direct main"
     description:
@@ -197,14 +204,14 @@ packages:
       name: shared_preferences_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   shared_preferences_windows:
     dependency: "direct main"
     description:
       name: shared_preferences_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "2.1.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -251,7 +258,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.8"
   typed_data:
     dependency: transitive
     description:
@@ -265,7 +272,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   win32:
     dependency: transitive
     description:

pubspec.yaml

@@ -12,17 +12,17 @@ dependencies:
     sdk: flutter
 
   meta: ^1.7.0
-  shared_preferences: ^2.0.9
+  shared_preferences: ^2.0.13
   shared_preferences_platform_interface: ^2.0.0
   # 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
   # validation, so we set a ^ constraint.
   # TODO(franciscojma): Revisit this (either update this part in the  design or the pub tool).
   # https://github.com/flutter/flutter/issues/46264
-  shared_preferences_linux: ^2.0.3
-  shared_preferences_macos: ^2.0.2
-  shared_preferences_web: ^2.0.2
-  shared_preferences_windows: ^2.0.3
+  shared_preferences_linux: ^2.1.0
+  shared_preferences_macos: ^2.0.3
+  shared_preferences_web: ^2.0.3
+  shared_preferences_windows: ^2.1.0
 
 dev_dependencies:
   flutter_test: