windows #1

2026-02-18 00:17:40 +01:00 · 2025-12-14 19:54:41 +01:00
parent 23fb927cd6
commit 0f4e46a758
55 changed files with 2789 additions and 7 deletions
--- a/ios/Podfile
+++ b/ios/Podfile
@@ -1,5 +1,6 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '13.0'
+
+platform :ios, '15.0'

 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -7,14 +7,22 @@ PODS:
  - Flutter (1.0.0)
  - flutter_local_notifications (0.0.1):
    - Flutter
+  - flutter_secure_storage_darwin (10.0.0):
+    - Flutter
+    - FlutterMacOS
  - gamepads_ios (0.1.1):
    - Flutter
  - image_picker_ios (0.0.1):
    - Flutter
+  - in_app_purchase_storekit (0.0.1):
+    - Flutter
+    - FlutterMacOS
  - in_app_review (2.0.0):
    - Flutter
  - integration_test (0.0.1):
    - Flutter
+  - ios_receipt (0.0.1):
+    - Flutter
  - media_key_detector_ios (0.0.1):
    - Flutter
  - nsd_ios (0.0.1):
@@ -44,10 +52,13 @@ DEPENDENCIES:
  - device_info_plus (from `.symlinks/plugins/device_info_plus/ios`)
  - Flutter (from `Flutter`)
  - flutter_local_notifications (from `.symlinks/plugins/flutter_local_notifications/ios`)
+  - flutter_secure_storage_darwin (from `.symlinks/plugins/flutter_secure_storage_darwin/darwin`)
  - gamepads_ios (from `.symlinks/plugins/gamepads_ios/ios`)
  - image_picker_ios (from `.symlinks/plugins/image_picker_ios/ios`)
+  - in_app_purchase_storekit (from `.symlinks/plugins/in_app_purchase_storekit/darwin`)
  - in_app_review (from `.symlinks/plugins/in_app_review/ios`)
  - integration_test (from `.symlinks/plugins/integration_test/ios`)
+  - ios_receipt (from `.symlinks/plugins/ios_receipt/ios`)
  - media_key_detector_ios (from `.symlinks/plugins/media_key_detector_ios/ios`)
  - nsd_ios (from `.symlinks/plugins/nsd_ios/ios`)
  - package_info_plus (from `.symlinks/plugins/package_info_plus/ios`)
@@ -68,14 +79,20 @@ EXTERNAL SOURCES:
    :path: Flutter
  flutter_local_notifications:
    :path: ".symlinks/plugins/flutter_local_notifications/ios"
+  flutter_secure_storage_darwin:
+    :path: ".symlinks/plugins/flutter_secure_storage_darwin/darwin"
  gamepads_ios:
    :path: ".symlinks/plugins/gamepads_ios/ios"
  image_picker_ios:
    :path: ".symlinks/plugins/image_picker_ios/ios"
+  in_app_purchase_storekit:
+    :path: ".symlinks/plugins/in_app_purchase_storekit/darwin"
  in_app_review:
    :path: ".symlinks/plugins/in_app_review/ios"
  integration_test:
    :path: ".symlinks/plugins/integration_test/ios"
+  ios_receipt:
+    :path: ".symlinks/plugins/ios_receipt/ios"
  media_key_detector_ios:
    :path: ".symlinks/plugins/media_key_detector_ios/ios"
  nsd_ios:
@@ -102,10 +119,13 @@ SPEC CHECKSUMS:
  device_info_plus: bf2e3232933866d73fe290f2942f2156cdd10342
  Flutter: cabc95a1d2626b1b06e7179b784ebcf0c0cde467
  flutter_local_notifications: ff50f8405aaa0ccdc7dcfb9022ca192e8ad9688f
+  flutter_secure_storage_darwin: 557817588b80e60213cbecb573c45c76b788018d
  gamepads_ios: 1d2930c7a4450a9a1b57444ebf305a6a6cbeea0b
  image_picker_ios: c560581cceedb403a6ff17f2f816d7fea1421fc1
+  in_app_purchase_storekit: 2342c0a5da86593124d08dd13d920f39a52b273a
  in_app_review: 436034b18594851a7328d7f1c2ed5ec235b79cfc
  integration_test: 252f60fa39af5e17c3aa9899d35d908a0721b573
+  ios_receipt: c2d5b4c36953c377a024992393976214ce6951e6
  media_key_detector_ios: 7ff9aefdfea00bb7b71e184132381b7d0e7e1269
  nsd_ios: 8c37babdc6538e3350dbed3a52674d2edde98173
  package_info_plus: c0502532a26c7662a62a356cebe2692ec5fe4ec4
@@ -117,6 +137,6 @@ SPEC CHECKSUMS:
  url_launcher_ios: 5334b05cef931de560670eeae103fd3e431ac3fe
  wakelock_plus: 76957ab028e12bfa4e66813c99e46637f367fc7e

-PODFILE CHECKSUM: 3c63482e143d1b91d2d2560aee9fb04ecc74ac7e
+PODFILE CHECKSUM: 7ebd5c9b932b3af79d5c67e3af873118b74e970f

 COCOAPODS: 1.16.2
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -496,6 +496,7 @@
 				DEVELOPMENT_TEAM = UZRHKPVWN9;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -683,6 +684,7 @@
 				DEVELOPMENT_TEAM = UZRHKPVWN9;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -710,6 +712,7 @@
 				DEVELOPMENT_TEAM = UZRHKPVWN9;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
--- a/lib/utils/iap/windows_iap_service.dart
+++ b/lib/utils/iap/windows_iap_service.dart
@@ -1,7 +1,10 @@
 import 'dart:async';

+import 'package:bike_control/utils/core.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:version/version.dart';
+import 'package:windows_iap/windows_iap.dart';

 /// Windows-specific IAP service
 /// Note: This is a stub implementation. For actual Windows Store integration,
@@ -25,6 +28,8 @@ class WindowsIAPService {
  String? _lastCommandDate;
  int? _dailyCommandCount;

+  final _windowsIapPlugin = WindowsIap();
+
  WindowsIAPService(this._prefs);

  /// Initialize the Windows IAP service
@@ -53,7 +58,7 @@ class WindowsIAPService {
      _isPurchased = true;
      return;
    }
-
+    _windowsIapPlugin.
    // TODO: Add Windows Store API integration
    // Check if the app was purchased from the Windows Store
    // This would require platform channel implementation to call Windows Store APIs
@@ -68,11 +73,15 @@ class WindowsIAPService {
      // IMPORTANT: This assumes the app is currently paid and this update will be released
      // while the app is still paid. Only users who downloaded the paid version will have
      // a last_seen_version. After changing the app to free, new users won't have this set.
-      final lastSeenVersion = await _prefs.read(key: 'last_seen_version');
+      final lastSeenVersion = core.settings.getLastSeenVersion();
      if (lastSeenVersion != null && lastSeenVersion.isNotEmpty) {
-        _isPurchased = true;
-        await _prefs.write(key: _purchaseStatusKey, value: "true");
-        debugPrint('Existing Windows user detected - granting full access');
+        Version lastVersion = Version.parse(lastSeenVersion);
+        // If they had a previous version, they're an existing paid user
+        _isPurchased = lastVersion < Version(4, 2, 0);
+        if (_isPurchased) {
+          await _prefs.write(key: _purchaseStatusKey, value: "true");
+        }
+        debugPrint('Existing Android user detected - granting full access');
      }
    } catch (e) {
      debugPrint('Error checking Windows previous version: $e');
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1657,6 +1657,13 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "0.5.1"
+  windows_iap:
+    dependency: "direct main"
+    description:
+      path: windows_iap
+      relative: true
+    source: path
+    version: "0.0.1"
  xdg_directories:
    dependency: transitive
    description:
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -36,6 +36,8 @@ dependencies:
    path: ios_receipt
  flutter_secure_storage: ^10.0.0
  in_app_purchase: ^3.2.1
+  windows_iap:
+    path: windows_iap
  window_manager: ^0.5.1
  device_info_plus: ^12.1.0
  keypress_simulator:
--- a/windows/flutter/generated_plugin_registrant.cc
+++ b/windows/flutter/generated_plugin_registrant.cc
@@ -18,6 +18,7 @@
 #include <universal_ble/universal_ble_plugin_c_api.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 #include <window_manager/window_manager_plugin.h>
+#include <windows_iap/windows_iap_plugin_c_api.h>

 void RegisterPlugins(flutter::PluginRegistry* registry) {
  BluetoothLowEnergyWindowsPluginCApiRegisterWithRegistrar(
@@ -44,4 +45,6 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
  WindowManagerPluginRegisterWithRegistrar(
      registry->GetRegistrarForPlugin("WindowManagerPlugin"));
+  WindowsIapPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("WindowsIapPluginCApi"));
 }
--- a/windows/flutter/generated_plugins.cmake
+++ b/windows/flutter/generated_plugins.cmake
@@ -15,6 +15,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
  universal_ble
  url_launcher_windows
  window_manager
+  windows_iap
 )

 list(APPEND FLUTTER_FFI_PLUGIN_LIST
--- a/windows_iap/.gitignore
+++ b/windows_iap/.gitignore
@@ -0,0 +1,30 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# 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
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/
--- a/windows_iap/.metadata
+++ b/windows_iap/.metadata
@@ -0,0 +1,30 @@
+# 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.
+
+version:
+  revision: f1875d570e39de09040c8f79aa13cc56baab8db1
+  channel: stable
+
+project_type: plugin
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1
+      base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1
+    - platform: windows
+      create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1
+      base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'
--- a/windows_iap/CHANGELOG.md
+++ b/windows_iap/CHANGELOG.md
@@ -0,0 +1,3 @@
+## 0.0.1
+
+* TODO: Describe initial release.
--- a/windows_iap/LICENSE
+++ b/windows_iap/LICENSE
@@ -0,0 +1 @@
+TODO: Add your license here.
--- a/windows_iap/README.md
+++ b/windows_iap/README.md
@@ -0,0 +1,15 @@
+# windows_iap
+
+A new Flutter project.
+
+## Getting Started
+
+This project is a starting point for a Flutter
+[plug-in package](https://flutter.dev/developing-packages/),
+a specialized package that includes platform-specific implementation code for
+Android and/or iOS.
+
+For help getting started with Flutter development, view the
+[online documentation](https://flutter.dev/docs), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.
+
--- a/windows_iap/analysis_options.yaml
+++ b/windows_iap/analysis_options.yaml
@@ -0,0 +1,4 @@
+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
--- a/windows_iap/example/.gitignore
+++ b/windows_iap/example/.gitignore
@@ -0,0 +1,47 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# 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/
+**/ios/Flutter/.last_build_id
+.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
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
--- a/windows_iap/example/README.md
+++ b/windows_iap/example/README.md
@@ -0,0 +1,16 @@
+# windows_iap_example
+
+Demonstrates how to use the windows_iap 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://docs.flutter.dev/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+
+For help getting started with Flutter development, view the
+[online documentation](https://docs.flutter.dev/), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.
--- a/windows_iap/example/analysis_options.yaml
+++ b/windows_iap/example/analysis_options.yaml
@@ -0,0 +1,29 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
--- a/windows_iap/example/lib/main.dart
+++ b/windows_iap/example/lib/main.dart
@@ -0,0 +1,75 @@
+// ignore_for_file: use_build_context_synchronously, avoid_print
+
+import 'package:andesgroup_common/common.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:windows_iap/windows_iap.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatefulWidget {
+  const MyApp({Key? key}) : super(key: key);
+
+  @override
+  State<MyApp> createState() => _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+  final _windowsIapPlugin = WindowsIap();
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Builder(builder: (context) {
+        return Scaffold(
+          appBar: AppBar(
+            title: const Text('Plugin example app'),
+          ),
+          body: Center(
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                ElevatedButton(
+                    onPressed: () async {
+                      final result = await _windowsIapPlugin.checkPurchase();
+                      showAlertDialog(context,
+                          content: 'checkPurchase: $result');
+                    },
+                    child: const Text('checkPurchase')),
+                const Gap(16),
+                ElevatedButton(
+                    onPressed: () async {
+                      final result =
+                          await _windowsIapPlugin.makePurchase('hihi');
+                      print('result is $result');
+                    },
+                    child: const Text('makePurchase')),
+                const Gap(16),
+                ElevatedButton(
+                    onPressed: () async {
+                      try {
+                        final products = await _windowsIapPlugin.getProducts();
+                        print('products: $products');
+                      } on PlatformException catch (e, s) {
+                        print('error');
+                        print(e.toString());
+                      }
+                    },
+                    child: const Text('getProducts')),
+                const Gap(16),
+                ElevatedButton(
+                    onPressed: () async {
+                      final result = await _windowsIapPlugin.getAddonLicenses();
+                      print('licenses: $result');
+                    },
+                    child: const Text('getAddonLicenses')),
+              ],
+            ),
+          ),
+        );
+      }),
+    );
+  }
+}
--- a/windows_iap/example/pubspec.lock
+++ b/windows_iap/example/pubspec.lock
@@ -0,0 +1,529 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  andesgroup_common:
+    dependency: "direct main"
+    description:
+      name: andesgroup_common
+      sha256: e560b64c55e3a8605fc5d2ad789cf625c3124348d48f2549de7bf0aa565df65e
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.19"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.11.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  cached_network_image:
+    dependency: transitive
+    description:
+      name: cached_network_image
+      sha256: fd3d0dc1d451f9a252b32d95d3f0c3c487bc41a75eba2e6097cb0b9c71491b15
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.3"
+  cached_network_image_platform_interface:
+    dependency: transitive
+    description:
+      name: cached_network_image_platform_interface
+      sha256: bb2b8403b4ccdc60ef5f25c70dead1f3d32d24b9d6117cfc087f496b178594a7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  cached_network_image_web:
+    dependency: transitive
+    description:
+      name: cached_network_image_web
+      sha256: b8eb814ebfcb4dea049680f8c1ffb2df399e4d03bf7a352c775e26fa06e02fa0
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.19.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: aa274aa7774f8964e4f4f38cc994db7b6158dd36e9187aaceaddc994b35c6c67
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  cupertino_icons:
+    dependency: "direct main"
+    description:
+      name: cupertino_icons
+      sha256: e35129dc44c9118cee2a5603506d823bab99c68393879edb440e0090d07586be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.5"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: a38574032c5f1dd06c4aee541789906c12ccaab8ba01446e800d9c5b79c4a978
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.4"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_blurhash:
+    dependency: transitive
+    description:
+      name: flutter_blurhash
+      sha256: "05001537bd3fac7644fa6558b09ec8c0a3f2eba78c0765f88912882b1331a5c6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.0"
+  flutter_cache_manager:
+    dependency: transitive
+    description:
+      name: flutter_cache_manager
+      sha256: "32cd900555219333326a2d0653aaaf8671264c29befa65bbd9856d204a4c9fb3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.3.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      sha256: aeb0b80a8b3709709c9cc496cdc027c5b3216796bc0af0ce1007eaf24464fd4c
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
+  flutter_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  fluttertoast:
+    dependency: transitive
+    description:
+      name: fluttertoast
+      sha256: "7cc92eabe01e3f1babe1571c5560b135dfc762a34e41e9056881e2196b178ec1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.1.2"
+  freezed_annotation:
+    dependency: transitive
+    description:
+      name: freezed_annotation
+      sha256: aeac15850ef1b38ee368d4c53ba9a847e900bb2c53a4db3f6881cbb3cb684338
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "6aa2946395183537c8b880962d935877325d6a09a2867c3970c05c0fed6ac482"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.5"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      sha256: a3715e3bc90294e971cb7dc063fbf3cd9ee0ebf8604ffeafabd9e6f16abbdbe6
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.18.0"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: c33da08e136c3df0190bd5bbe51ae1df4a7d96e7954d1d7249fea2968a72d317
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.0"
+  keyboard_dismisser:
+    dependency: transitive
+    description:
+      name: keyboard_dismisser
+      sha256: f67e032581fc3dd1f77e1cb54c421b089e015d122aeba2490ba001cfcc42a181
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.0.2"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.10"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      sha256: "5e4a9cd06d447758280a8ac2405101e0e2094d2a1dbdd3756aec3fe7775ba593"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
+  logger:
+    dependency: transitive
+    description:
+      name: logger
+      sha256: "5076f09225f91dc49289a4ccb92df2eeea9ea01cf7c26d49b3a1f04c6a49eec1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.17"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.11.1"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.17.0"
+  octo_image:
+    dependency: transitive
+    description:
+      name: octo_image
+      sha256: "107f3ed1330006a3bea63615e81cf637433f5135a52466c7caa0e7152bca9143"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      sha256: dcea5feb97d8abf90cab9e9030b497fb7c3cbf26b7a1fe9e3ef7dcb0a1ddec95
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.12"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: a776c088d671b27f6e3aa8881d64b87b3e80201c64e8869b811325de7a76c15e
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.22"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "62a68e7e1c6c459f9289859e2fae58290c981ce21d1697faf54910fe1faa4c74"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: ab0987bf95bc591da42dffb38c77398fc43309f0b9b894dcc5d6f40c4b26c379
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.7"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: f0abc8ebd7253741f05488b4813d936b4d07c6bae3e86148a09e342ee4b08e76
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.5"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bcabbe399d4042b8ee687e17548d5d3f527255253b4a639f5f8d2094a9c2b45c
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      sha256: "67fc27ed9639506c856c840ccce7594d0bdcd91bc8d53d6e52359449a1d50602"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.11.1"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "4a451831508d7d6ca779f7ac6e212b4023dd5a7d08a27a63da33756410e32b76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "6a2128648c854906c53fa8e33986fc0247a1116122f9534dd20e3ab9e16a32bc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      sha256: "53fd8db9cec1d37b0574e12f07520d582019cb6c44abf5479a01505099a34a09"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.4"
+  rxdart:
+    dependency: transitive
+    description:
+      name: rxdart
+      sha256: "0c7c0cedd93788d996e33041ffecda924cc54389199cde4e6a34b440f50044cb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.27.7"
+  shimmer:
+    dependency: transitive
+    description:
+      name: shimmer
+      sha256: "1f1009b5845a1f88f1c5630212279540486f97409e9fc3f63883e71070d107bf"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.0"
+  sqflite:
+    dependency: transitive
+    description:
+      name: sqflite
+      sha256: "78324387dc81df14f78df06019175a86a2ee0437624166c382e145d0a7fd9a4f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.4+1"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      sha256: bfd6973aaeeb93475bc0d875ac9aefddf7965ef22ce09790eb963992ffc5183f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2+2"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.12.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "688af5ed3402a4bde5b3a6c15fd768dbf2621a614950b17f04626c431ab3c4c3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
+  synchronized:
+    dependency: transitive
+    description:
+      name: synchronized
+      sha256: "33b31b6beb98100bf9add464a36a8dd03eb10c7a8cf15aeec535e9b054aaf04b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.7"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: "26f87ade979c47a150c9eaab93ccd2bebe70a27dc0b4b29517f2904f04eb11a5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      sha256: "648e103079f7c64a36dc7d39369cabb358d377078a051d6ae2ad3aa539519313"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.7"
+  validators:
+    dependency: transitive
+    description:
+      name: validators
+      sha256: "884515951f831a9c669a41ed6c4d3c61c2a0e8ec6bca761a4480b28e99cecf5d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      sha256: f6be3ed8bd01289b34d679c2b62226f63c0e69f9fd2e50a6b3c1c729a961041b
+      url: "https://pub.dev"
+    source: hosted
+    version: "14.3.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: c9ebe7ee4ab0c2194e65d3a07d8c54c5d00bb001b76081c4a04cdb8448b59e46
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
+  windows_iap:
+    dependency: "direct main"
+    description:
+      path: ".."
+      relative: true
+    source: path
+    version: "0.0.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: bd512f03919aac5f1313eb8249f223bacf4927031bf60b02601f81f687689e86
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0+3"
+sdks:
+  dart: ">=3.8.0-0 <4.0.0"
+  flutter: ">=3.18.0-18.0.pre.54"
--- a/windows_iap/example/pubspec.yaml
+++ b/windows_iap/example/pubspec.yaml
@@ -0,0 +1,85 @@
+name: windows_iap_example
+description: Demonstrates how to use the windows_iap plugin.
+
+# The following line prevents the package from being accidentally published to
+# pub.dev using `flutter pub publish`. This is preferred for private packages.
+publish_to: 'none' # Remove this line if you wish to publish to pub.dev
+
+environment:
+  sdk: ">=2.19.0 <3.0.0"
+
+# Dependencies specify other packages that your package needs in order to work.
+# To automatically upgrade your package dependencies to the latest versions
+# consider running `flutter pub upgrade --major-versions`. Alternatively,
+# dependencies can be manually updated by changing the version numbers below to
+# the latest version available on pub.dev. To see which dependencies have newer
+# versions available, run `flutter pub outdated`.
+dependencies:
+  flutter:
+    sdk: flutter
+
+  windows_iap:
+    # When depending on this package from a real application you should use:
+    #   windows_iap: x.y.z
+    # See https://dart.dev/tools/pub/dependencies#version-constraints
+    # The example app is bundled with the plugin so we use a path dependency on
+    # the parent directory to use the current plugin's version.
+    path: ../
+
+  # The following adds the Cupertino Icons font to your application.
+  # Use with the CupertinoIcons class for iOS style icons.
+  cupertino_icons: 1.0.5
+  andesgroup_common: ^1.0.19
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+  # The "flutter_lints" package below contains a set of recommended lints to
+  # encourage good coding practices. The lint set provided by the package is
+  # activated in the `analysis_options.yaml` file located at the root of your
+  # package. See that file for information about deactivating specific lint
+  # rules and activating additional ones.
+  flutter_lints: 2.0.1
+
+# For information on the generic Dart part of this file, see the
+# following page: https://dart.dev/tools/pub/pubspec
+
+# The following section is specific to Flutter packages.
+flutter:
+
+  # The following line ensures that the Material Icons font is
+  # included with your application, so that you can use the icons in
+  # the material Icons class.
+  uses-material-design: true
+
+  # To add assets to your application, add an assets section, like this:
+  # assets:
+  #   - images/a_dot_burr.jpeg
+  #   - images/a_dot_ham.jpeg
+
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.dev/assets-and-images/#resolution-aware
+
+  # For details regarding adding assets from package dependencies, see
+  # https://flutter.dev/assets-and-images/#from-packages
+
+  # To add custom fonts to your application, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts from package dependencies,
+  # see https://flutter.dev/custom-fonts/#from-packages
--- a/windows_iap/example/test/widget_test.dart
+++ b/windows_iap/example/test/widget_test.dart
@@ -0,0 +1,16 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  testWidgets('Verify Platform version', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+
+    // Verify that platform version is retrieved.
+  });
+}
--- a/windows_iap/example/windows/.gitignore
+++ b/windows_iap/example/windows/.gitignore
@@ -0,0 +1,17 @@
+flutter/ephemeral/
+
+# Visual Studio user-specific files.
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio build-related files.
+x64/
+x86/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
--- a/windows_iap/example/windows/CMakeLists.txt
+++ b/windows_iap/example/windows/CMakeLists.txt
@@ -0,0 +1,101 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.14)
+project(windows_iap_example LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "windows_iap_example")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Define build configuration option.
+get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(IS_MULTICONFIG)
+  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
+    CACHE STRING "" FORCE)
+else()
+  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE "Debug" CACHE
+      STRING "Flutter build mode" FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+      "Debug" "Profile" "Release")
+  endif()
+endif()
+# Define settings for the Profile build mode.
+set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
+
+# Use Unicode for all projects.
+add_definitions(-DUNICODE -D_UNICODE)
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_17)
+  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
+  target_compile_options(${TARGET} PRIVATE /EHsc)
+  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# Support files are copied into place next to the executable, so that it can
+# run in place. This is done instead of making a separate bundle (as on Linux)
+# so that building and running from within Visual Studio will work.
+set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
+# Make the "install" step default, as it's required to run.
+set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  CONFIGURATIONS Profile;Release
+  COMPONENT Runtime)
--- a/windows_iap/example/windows/flutter/CMakeLists.txt
+++ b/windows_iap/example/windows/flutter/CMakeLists.txt
@@ -0,0 +1,104 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.14)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
+
+# === Flutter Library ===
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "flutter_export.h"
+  "flutter_windows.h"
+  "flutter_messenger.h"
+  "flutter_plugin_registrar.h"
+  "flutter_texture_registrar.h"
+)
+list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
+add_dependencies(flutter flutter_assemble)
+
+# === Wrapper ===
+list(APPEND CPP_WRAPPER_SOURCES_CORE
+  "core_implementations.cc"
+  "standard_codec.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
+  "plugin_registrar.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_APP
+  "flutter_engine.cc"
+  "flutter_view_controller.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
+
+# Wrapper sources needed for a plugin.
+add_library(flutter_wrapper_plugin STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+)
+apply_standard_settings(flutter_wrapper_plugin)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  POSITION_INDEPENDENT_CODE ON)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
+target_include_directories(flutter_wrapper_plugin PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_plugin flutter_assemble)
+
+# Wrapper sources needed for the runner.
+add_library(flutter_wrapper_app STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
+apply_standard_settings(flutter_wrapper_app)
+target_link_libraries(flutter_wrapper_app PUBLIC flutter)
+target_include_directories(flutter_wrapper_app PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_app flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
+set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
+    ${CPP_WRAPPER_SOURCES_APP}
+    ${PHONY_OUTPUT}
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
+      windows-x64 $<CONFIG>
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
--- a/windows_iap/example/windows/flutter/generated_plugin_registrant.cc
+++ b/windows_iap/example/windows/flutter/generated_plugin_registrant.cc
@@ -0,0 +1,14 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <windows_iap/windows_iap_plugin_c_api.h>
+
+void RegisterPlugins(flutter::PluginRegistry* registry) {
+  WindowsIapPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("WindowsIapPluginCApi"));
+}
--- a/windows_iap/example/windows/flutter/generated_plugin_registrant.h
+++ b/windows_iap/example/windows/flutter/generated_plugin_registrant.h
@@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter/plugin_registry.h>
+
+// Registers Flutter plugins.
+void RegisterPlugins(flutter::PluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_
--- a/windows_iap/example/windows/flutter/generated_plugins.cmake
+++ b/windows_iap/example/windows/flutter/generated_plugins.cmake
@@ -0,0 +1,24 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  windows_iap
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)
--- a/windows_iap/example/windows/runner/CMakeLists.txt
+++ b/windows_iap/example/windows/runner/CMakeLists.txt
@@ -0,0 +1,32 @@
+cmake_minimum_required(VERSION 3.14)
+project(runner LANGUAGES CXX)
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME} WIN32
+  "flutter_window.cpp"
+  "main.cpp"
+  "utils.cpp"
+  "win32_window.cpp"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+  "Runner.rc"
+  "runner.exe.manifest"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Disable Windows macros that collide with C++ standard library functions.
+target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+
+# Add dependency libraries and include directories. Add any application-specific
+# dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
--- a/windows_iap/example/windows/runner/Runner.rc
+++ b/windows_iap/example/windows/runner/Runner.rc
@@ -0,0 +1,121 @@
+// Microsoft Visual C++ generated resource script.
+//
+#pragma code_page(65001)
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (United States) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+#ifdef FLUTTER_BUILD_NUMBER
+#define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER
+#else
+#define VERSION_AS_NUMBER 1,0,0
+#endif
+
+#ifdef FLUTTER_BUILD_NAME
+#define VERSION_AS_STRING #FLUTTER_BUILD_NAME
+#else
+#define VERSION_AS_STRING "1.0.0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION VERSION_AS_NUMBER
+ PRODUCTVERSION VERSION_AS_NUMBER
+ FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+ FILEFLAGS VS_FF_DEBUG
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS VOS__WINDOWS32
+ FILETYPE VFT_APP
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904e4"
+        BEGIN
+            VALUE "CompanyName", "com.andesgroup" "\0"
+            VALUE "FileDescription", "windows_iap_example" "\0"
+            VALUE "FileVersion", VERSION_AS_STRING "\0"
+            VALUE "InternalName", "windows_iap_example" "\0"
+            VALUE "LegalCopyright", "Copyright (C) 2022 com.andesgroup. All rights reserved." "\0"
+            VALUE "OriginalFilename", "windows_iap_example.exe" "\0"
+            VALUE "ProductName", "windows_iap_example" "\0"
+            VALUE "ProductVersion", VERSION_AS_STRING "\0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END
+
+#endif    // English (United States) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED
--- a/windows_iap/example/windows/runner/flutter_window.cpp
+++ b/windows_iap/example/windows/runner/flutter_window.cpp
@@ -0,0 +1,61 @@
+#include "flutter_window.h"
+
+#include <optional>
+
+#include "flutter/generated_plugin_registrant.h"
+
+FlutterWindow::FlutterWindow(const flutter::DartProject& project)
+    : project_(project) {}
+
+FlutterWindow::~FlutterWindow() {}
+
+bool FlutterWindow::OnCreate() {
+  if (!Win32Window::OnCreate()) {
+    return false;
+  }
+
+  RECT frame = GetClientArea();
+
+  // The size here must match the window dimensions to avoid unnecessary surface
+  // creation / destruction in the startup path.
+  flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
+      frame.right - frame.left, frame.bottom - frame.top, project_);
+  // Ensure that basic setup of the controller was successful.
+  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
+    return false;
+  }
+  RegisterPlugins(flutter_controller_->engine());
+  SetChildContent(flutter_controller_->view()->GetNativeWindow());
+  return true;
+}
+
+void FlutterWindow::OnDestroy() {
+  if (flutter_controller_) {
+    flutter_controller_ = nullptr;
+  }
+
+  Win32Window::OnDestroy();
+}
+
+LRESULT
+FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
+                              WPARAM const wparam,
+                              LPARAM const lparam) noexcept {
+  // Give Flutter, including plugins, an opportunity to handle window messages.
+  if (flutter_controller_) {
+    std::optional<LRESULT> result =
+        flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
+                                                      lparam);
+    if (result) {
+      return *result;
+    }
+  }
+
+  switch (message) {
+    case WM_FONTCHANGE:
+      flutter_controller_->engine()->ReloadSystemFonts();
+      break;
+  }
+
+  return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
+}
--- a/windows_iap/example/windows/runner/flutter_window.h
+++ b/windows_iap/example/windows/runner/flutter_window.h
@@ -0,0 +1,33 @@
+#ifndef RUNNER_FLUTTER_WINDOW_H_
+#define RUNNER_FLUTTER_WINDOW_H_
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+
+#include <memory>
+
+#include "win32_window.h"
+
+// A window that does nothing but host a Flutter view.
+class FlutterWindow : public Win32Window {
+ public:
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
+  virtual ~FlutterWindow();
+
+ protected:
+  // Win32Window:
+  bool OnCreate() override;
+  void OnDestroy() override;
+  LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
+                         LPARAM const lparam) noexcept override;
+
+ private:
+  // The project to run.
+  flutter::DartProject project_;
+
+  // The Flutter instance hosted by this window.
+  std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
+};
+
+#endif  // RUNNER_FLUTTER_WINDOW_H_
--- a/windows_iap/example/windows/runner/main.cpp
+++ b/windows_iap/example/windows/runner/main.cpp
@@ -0,0 +1,43 @@
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+#include <windows.h>
+
+#include "flutter_window.h"
+#include "utils.h"
+
+int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
+                      _In_ wchar_t *command_line, _In_ int show_command) {
+  // Attach to console when present (e.g., 'flutter run') or create a
+  // new console when running with a debugger.
+  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
+    CreateAndAttachConsole();
+  }
+
+  // Initialize COM, so that it is available for use in the library and/or
+  // plugins.
+  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
+  flutter::DartProject project(L"data");
+
+  std::vector<std::string> command_line_arguments =
+      GetCommandLineArguments();
+
+  project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
+
+  FlutterWindow window(project);
+  Win32Window::Point origin(10, 10);
+  Win32Window::Size size(1280, 720);
+  if (!window.CreateAndShow(L"windows_iap_example", origin, size)) {
+    return EXIT_FAILURE;
+  }
+  window.SetQuitOnClose(true);
+
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
+
+  ::CoUninitialize();
+  return EXIT_SUCCESS;
+}
--- a/windows_iap/example/windows/runner/resource.h
+++ b/windows_iap/example/windows/runner/resource.h
@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by Runner.rc
+//
+#define IDI_APP_ICON                    101
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        102
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif
--- a/windows_iap/example/windows/runner/resources/app_icon.ico
+++ b/windows_iap/example/windows/runner/resources/app_icon.ico
--- a/windows_iap/example/windows/runner/runner.exe.manifest
+++ b/windows_iap/example/windows/runner/runner.exe.manifest
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+      <!-- Windows 8.1 -->
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
+      <!-- Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
+      <!-- Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
+    </application>
+  </compatibility>
+</assembly>
--- a/windows_iap/example/windows/runner/utils.cpp
+++ b/windows_iap/example/windows/runner/utils.cpp
@@ -0,0 +1,64 @@
+#include "utils.h"
+
+#include <flutter_windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <windows.h>
+
+#include <iostream>
+
+void CreateAndAttachConsole() {
+  if (::AllocConsole()) {
+    FILE *unused;
+    if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
+      _dup2(_fileno(stdout), 1);
+    }
+    if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
+      _dup2(_fileno(stdout), 2);
+    }
+    std::ios::sync_with_stdio();
+    FlutterDesktopResyncOutputStreams();
+  }
+}
+
+std::vector<std::string> GetCommandLineArguments() {
+  // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
+  int argc;
+  wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
+  if (argv == nullptr) {
+    return std::vector<std::string>();
+  }
+
+  std::vector<std::string> command_line_arguments;
+
+  // Skip the first argument as it's the binary name.
+  for (int i = 1; i < argc; i++) {
+    command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
+  }
+
+  ::LocalFree(argv);
+
+  return command_line_arguments;
+}
+
+std::string Utf8FromUtf16(const wchar_t* utf16_string) {
+  if (utf16_string == nullptr) {
+    return std::string();
+  }
+  int target_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      -1, nullptr, 0, nullptr, nullptr);
+  std::string utf8_string;
+  if (target_length == 0 || target_length > utf8_string.max_size()) {
+    return utf8_string;
+  }
+  utf8_string.resize(target_length);
+  int converted_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      -1, utf8_string.data(),
+      target_length, nullptr, nullptr);
+  if (converted_length == 0) {
+    return std::string();
+  }
+  return utf8_string;
+}
--- a/windows_iap/example/windows/runner/utils.h
+++ b/windows_iap/example/windows/runner/utils.h
@@ -0,0 +1,19 @@
+#ifndef RUNNER_UTILS_H_
+#define RUNNER_UTILS_H_
+
+#include <string>
+#include <vector>
+
+// Creates a console for the process, and redirects stdout and stderr to
+// it for both the runner and the Flutter library.
+void CreateAndAttachConsole();
+
+// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
+// encoded in UTF-8. Returns an empty std::string on failure.
+std::string Utf8FromUtf16(const wchar_t* utf16_string);
+
+// Gets the command line arguments passed in as a std::vector<std::string>,
+// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
+std::vector<std::string> GetCommandLineArguments();
+
+#endif  // RUNNER_UTILS_H_
--- a/windows_iap/example/windows/runner/win32_window.cpp
+++ b/windows_iap/example/windows/runner/win32_window.cpp
@@ -0,0 +1,245 @@
+#include "win32_window.h"
+
+#include <flutter_windows.h>
+
+#include "resource.h"
+
+namespace {
+
+constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
+
+// The number of Win32Window objects that currently exist.
+static int g_active_window_count = 0;
+
+using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
+
+// Scale helper to convert logical scaler values to physical using passed in
+// scale factor
+int Scale(int source, double scale_factor) {
+  return static_cast<int>(source * scale_factor);
+}
+
+// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
+// This API is only needed for PerMonitor V1 awareness mode.
+void EnableFullDpiSupportIfAvailable(HWND hwnd) {
+  HMODULE user32_module = LoadLibraryA("User32.dll");
+  if (!user32_module) {
+    return;
+  }
+  auto enable_non_client_dpi_scaling =
+      reinterpret_cast<EnableNonClientDpiScaling*>(
+          GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
+  if (enable_non_client_dpi_scaling != nullptr) {
+    enable_non_client_dpi_scaling(hwnd);
+    FreeLibrary(user32_module);
+  }
+}
+
+}  // namespace
+
+// Manages the Win32Window's window class registration.
+class WindowClassRegistrar {
+ public:
+  ~WindowClassRegistrar() = default;
+
+  // Returns the singleton registar instance.
+  static WindowClassRegistrar* GetInstance() {
+    if (!instance_) {
+      instance_ = new WindowClassRegistrar();
+    }
+    return instance_;
+  }
+
+  // Returns the name of the window class, registering the class if it hasn't
+  // previously been registered.
+  const wchar_t* GetWindowClass();
+
+  // Unregisters the window class. Should only be called if there are no
+  // instances of the window.
+  void UnregisterWindowClass();
+
+ private:
+  WindowClassRegistrar() = default;
+
+  static WindowClassRegistrar* instance_;
+
+  bool class_registered_ = false;
+};
+
+WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
+
+const wchar_t* WindowClassRegistrar::GetWindowClass() {
+  if (!class_registered_) {
+    WNDCLASS window_class{};
+    window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+    window_class.lpszClassName = kWindowClassName;
+    window_class.style = CS_HREDRAW | CS_VREDRAW;
+    window_class.cbClsExtra = 0;
+    window_class.cbWndExtra = 0;
+    window_class.hInstance = GetModuleHandle(nullptr);
+    window_class.hIcon =
+        LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
+    window_class.hbrBackground = 0;
+    window_class.lpszMenuName = nullptr;
+    window_class.lpfnWndProc = Win32Window::WndProc;
+    RegisterClass(&window_class);
+    class_registered_ = true;
+  }
+  return kWindowClassName;
+}
+
+void WindowClassRegistrar::UnregisterWindowClass() {
+  UnregisterClass(kWindowClassName, nullptr);
+  class_registered_ = false;
+}
+
+Win32Window::Win32Window() {
+  ++g_active_window_count;
+}
+
+Win32Window::~Win32Window() {
+  --g_active_window_count;
+  Destroy();
+}
+
+bool Win32Window::CreateAndShow(const std::wstring& title,
+                                const Point& origin,
+                                const Size& size) {
+  Destroy();
+
+  const wchar_t* window_class =
+      WindowClassRegistrar::GetInstance()->GetWindowClass();
+
+  const POINT target_point = {static_cast<LONG>(origin.x),
+                              static_cast<LONG>(origin.y)};
+  HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
+  UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
+  double scale_factor = dpi / 96.0;
+
+  HWND window = CreateWindow(
+      window_class, title.c_str(), WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+      Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
+      Scale(size.width, scale_factor), Scale(size.height, scale_factor),
+      nullptr, nullptr, GetModuleHandle(nullptr), this);
+
+  if (!window) {
+    return false;
+  }
+
+  return OnCreate();
+}
+
+// static
+LRESULT CALLBACK Win32Window::WndProc(HWND const window,
+                                      UINT const message,
+                                      WPARAM const wparam,
+                                      LPARAM const lparam) noexcept {
+  if (message == WM_NCCREATE) {
+    auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
+    SetWindowLongPtr(window, GWLP_USERDATA,
+                     reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
+
+    auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
+    EnableFullDpiSupportIfAvailable(window);
+    that->window_handle_ = window;
+  } else if (Win32Window* that = GetThisFromHandle(window)) {
+    return that->MessageHandler(window, message, wparam, lparam);
+  }
+
+  return DefWindowProc(window, message, wparam, lparam);
+}
+
+LRESULT
+Win32Window::MessageHandler(HWND hwnd,
+                            UINT const message,
+                            WPARAM const wparam,
+                            LPARAM const lparam) noexcept {
+  switch (message) {
+    case WM_DESTROY:
+      window_handle_ = nullptr;
+      Destroy();
+      if (quit_on_close_) {
+        PostQuitMessage(0);
+      }
+      return 0;
+
+    case WM_DPICHANGED: {
+      auto newRectSize = reinterpret_cast<RECT*>(lparam);
+      LONG newWidth = newRectSize->right - newRectSize->left;
+      LONG newHeight = newRectSize->bottom - newRectSize->top;
+
+      SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
+                   newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
+
+      return 0;
+    }
+    case WM_SIZE: {
+      RECT rect = GetClientArea();
+      if (child_content_ != nullptr) {
+        // Size and position the child window.
+        MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
+                   rect.bottom - rect.top, TRUE);
+      }
+      return 0;
+    }
+
+    case WM_ACTIVATE:
+      if (child_content_ != nullptr) {
+        SetFocus(child_content_);
+      }
+      return 0;
+  }
+
+  return DefWindowProc(window_handle_, message, wparam, lparam);
+}
+
+void Win32Window::Destroy() {
+  OnDestroy();
+
+  if (window_handle_) {
+    DestroyWindow(window_handle_);
+    window_handle_ = nullptr;
+  }
+  if (g_active_window_count == 0) {
+    WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
+  }
+}
+
+Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
+  return reinterpret_cast<Win32Window*>(
+      GetWindowLongPtr(window, GWLP_USERDATA));
+}
+
+void Win32Window::SetChildContent(HWND content) {
+  child_content_ = content;
+  SetParent(content, window_handle_);
+  RECT frame = GetClientArea();
+
+  MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
+             frame.bottom - frame.top, true);
+
+  SetFocus(child_content_);
+}
+
+RECT Win32Window::GetClientArea() {
+  RECT frame;
+  GetClientRect(window_handle_, &frame);
+  return frame;
+}
+
+HWND Win32Window::GetHandle() {
+  return window_handle_;
+}
+
+void Win32Window::SetQuitOnClose(bool quit_on_close) {
+  quit_on_close_ = quit_on_close;
+}
+
+bool Win32Window::OnCreate() {
+  // No-op; provided for subclasses.
+  return true;
+}
+
+void Win32Window::OnDestroy() {
+  // No-op; provided for subclasses.
+}
--- a/windows_iap/example/windows/runner/win32_window.h
+++ b/windows_iap/example/windows/runner/win32_window.h
@@ -0,0 +1,98 @@
+#ifndef RUNNER_WIN32_WINDOW_H_
+#define RUNNER_WIN32_WINDOW_H_
+
+#include <windows.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+// A class abstraction for a high DPI-aware Win32 Window. Intended to be
+// inherited from by classes that wish to specialize with custom
+// rendering and input handling
+class Win32Window {
+ public:
+  struct Point {
+    unsigned int x;
+    unsigned int y;
+    Point(unsigned int x, unsigned int y) : x(x), y(y) {}
+  };
+
+  struct Size {
+    unsigned int width;
+    unsigned int height;
+    Size(unsigned int width, unsigned int height)
+        : width(width), height(height) {}
+  };
+
+  Win32Window();
+  virtual ~Win32Window();
+
+  // Creates and shows a win32 window with |title| and position and size using
+  // |origin| and |size|. New windows are created on the default monitor. Window
+  // sizes are specified to the OS in physical pixels, hence to ensure a
+  // consistent size to will treat the width height passed in to this function
+  // as logical pixels and scale to appropriate for the default monitor. Returns
+  // true if the window was created successfully.
+  bool CreateAndShow(const std::wstring& title,
+                     const Point& origin,
+                     const Size& size);
+
+  // Release OS resources associated with window.
+  void Destroy();
+
+  // Inserts |content| into the window tree.
+  void SetChildContent(HWND content);
+
+  // Returns the backing Window handle to enable clients to set icon and other
+  // window properties. Returns nullptr if the window has been destroyed.
+  HWND GetHandle();
+
+  // If true, closing this window will quit the application.
+  void SetQuitOnClose(bool quit_on_close);
+
+  // Return a RECT representing the bounds of the current client area.
+  RECT GetClientArea();
+
+ protected:
+  // Processes and route salient window messages for mouse handling,
+  // size change and DPI. Delegates handling of these to member overloads that
+  // inheriting classes can handle.
+  virtual LRESULT MessageHandler(HWND window,
+                                 UINT const message,
+                                 WPARAM const wparam,
+                                 LPARAM const lparam) noexcept;
+
+  // Called when CreateAndShow is called, allowing subclass window-related
+  // setup. Subclasses should return false if setup fails.
+  virtual bool OnCreate();
+
+  // Called when Destroy is called.
+  virtual void OnDestroy();
+
+ private:
+  friend class WindowClassRegistrar;
+
+  // OS callback called by message pump. Handles the WM_NCCREATE message which
+  // is passed when the non-client area is being created and enables automatic
+  // non-client DPI scaling so that the non-client area automatically
+  // responsponds to changes in DPI. All other messages are handled by
+  // MessageHandler.
+  static LRESULT CALLBACK WndProc(HWND const window,
+                                  UINT const message,
+                                  WPARAM const wparam,
+                                  LPARAM const lparam) noexcept;
+
+  // Retrieves a class instance pointer for |window|
+  static Win32Window* GetThisFromHandle(HWND const window) noexcept;
+
+  bool quit_on_close_ = false;
+
+  // window handle for top level window.
+  HWND window_handle_ = nullptr;
+
+  // window handle for hosted content.
+  HWND child_content_ = nullptr;
+};
+
+#endif  // RUNNER_WIN32_WINDOW_H_
--- a/windows_iap/lib/models/product.dart
+++ b/windows_iap/lib/models/product.dart
@@ -0,0 +1,41 @@
+class Product {
+  final String? title;
+  final String? description;
+  final String? price;
+  final bool? inCollection;
+  final String? productKind;
+  final String? storeId;
+
+  const Product({
+    required this.title,
+    required this.description,
+    required this.price,
+    required this.inCollection,
+    required this.productKind,
+    required this.storeId,
+  });
+
+  String? get formattedTitle {
+    return "$title ($productKind) $price, InUserCollection: $inCollection";
+  }
+
+  factory Product.fromJson(Map<String, dynamic> json) {
+    return Product(
+        title: json['title'] as String?,
+        description: json['description'] as String?,
+        price: json['price'] as String?,
+        inCollection: json['inCollection'] as bool?,
+        productKind: json['productKind'] as String?,
+        storeId: json['storeId'] as String?);
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'title': title,
+      'price': price,
+      'inCellection': inCollection,
+      'productKind': productKind,
+      'storeId': storeId,
+    };
+  }
+}
--- a/windows_iap/lib/models/store_license.dart
+++ b/windows_iap/lib/models/store_license.dart
@@ -0,0 +1,48 @@
+class StoreLicense {
+  final bool? isActive;
+  final String? skuStoreId;
+  final String? inAppOfferToken;
+  final num? expirationDate;
+
+  const StoreLicense({
+    this.isActive,
+    this.skuStoreId,
+    this.inAppOfferToken,
+    this.expirationDate,
+  });
+
+  /// get Expiration date in DateTime format.
+  DateTime? getExpirationDate() {
+    if (expirationDate == null) {
+      return null;
+    }
+
+    var magic = num.tryParse(expirationDate.toString().substring(0, 14));
+    if (magic == null) {
+      return null;
+    }
+    // 11644499200000 is the count of millis from DateTime(1601,1,1) -> DateTime(1970,1,1)
+    // more docs: https://docs.microsoft.com/en-us/uwp/cpp-ref-for-winrt/clock
+    // https://docs.microsoft.com/en-us/uwp/api/windows.foundation.datetime?view=winrt-22621#remarks
+    // https://docs.microsoft.com/en-us/uwp/api/windows.services.store.storelicense.expirationdate?view=winrt-22621
+    magic = magic - 11644499200000;
+    return DateTime.fromMillisecondsSinceEpoch(magic.toInt());
+  }
+
+  factory StoreLicense.fromJson(Map<String, dynamic> json) {
+    return StoreLicense(
+        isActive: json['isActive'],
+        skuStoreId: json['skuStoreId'],
+        inAppOfferToken: json['inAppOfferToken'],
+        expirationDate: json['expirationDate']);
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'isActive': isActive,
+      'skuStoreId': skuStoreId,
+      'inAppOfferToken': inAppOfferToken,
+      'expirationDate': expirationDate,
+    };
+  }
+}
--- a/windows_iap/lib/utils.dart
+++ b/windows_iap/lib/utils.dart
@@ -0,0 +1,6 @@
+List<T> parseListNotNull<T extends Object?>({
+  required List<dynamic> json,
+  required T Function(Map<String, dynamic> json) fromJson,
+}) {
+  return (json).map((e) => fromJson(e as Map<String, dynamic>)).toList();
+}
--- a/windows_iap/lib/windows_iap.dart
+++ b/windows_iap/lib/windows_iap.dart
@@ -0,0 +1,67 @@
+library windows_iap;
+
+import 'dart:io';
+
+import 'package:flutter/services.dart';
+import 'package:windows_iap/models/product.dart';
+
+import 'models/store_license.dart';
+import 'windows_iap_platform_interface.dart';
+
+
+enum StorePurchaseStatus {
+  succeeded,
+  alreadyPurchased,
+  notPurchased,
+  networkError,
+  serverError,
+}
+
+class WindowsIap {
+  Future<StorePurchaseStatus?> makePurchase(String storeId) {
+    return WindowsIapPlatform.instance.makePurchase(storeId);
+  }
+
+  /// throw PlatformException if error
+  Future<List<Product>> getProducts() {
+    if (Platform.isMacOS) {
+      return Future.delayed(const Duration(seconds: 2), () {
+        throw PlatformException(code: '123123123', message: 'Products can not loaded now.');
+      });
+    }
+    return WindowsIapPlatform.instance.getProducts();
+  }
+
+  /// Check when user has current valid purchase
+  ///
+  /// - Add-On type: Subscription, Durable
+  ///
+  /// - Always return false if AppLicense has IsActive status = false.
+  ///
+  /// - if storeId is Not Empty:
+  ///
+  /// -- it will return true if Product(storeId) has IsActive status = true.
+  ///
+  /// -- return false if not.
+  ///
+  /// - if storeId is Empty:
+  ///
+  /// -- it will return true if any Add-On have IsActive status = true.
+  ///
+  /// -- return false if all Add-On have IsActive status = false.
+  Future<bool> checkPurchase({String storeId = ''}) {
+    if (Platform.isMacOS) {
+      return Future.value(false);
+    }
+    return WindowsIapPlatform.instance.checkPurchase(storeId: storeId);
+  }
+
+  /// return the map of StoreLicense
+  ///
+  /// A map of key and value pairs, where each key is the Store ID of an add-on SKU from the
+  /// Microsoft Store catalog and each value is a StoreLicense object that contains license
+  /// info for the add-on.
+  Future<Map<String, StoreLicense>> getAddonLicenses() {
+    return WindowsIapPlatform.instance.getAddonLicenses();
+  }
+}
--- a/windows_iap/lib/windows_iap_method_channel.dart
+++ b/windows_iap/lib/windows_iap_method_channel.dart
@@ -0,0 +1,114 @@
+import 'dart:convert';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+
+import 'models/product.dart';
+import 'models/store_license.dart';
+import 'utils.dart';
+import 'windows_iap.dart';
+import 'windows_iap_platform_interface.dart';
+
+/// A [Map] between whitespace characters and their escape sequences.
+const _escapeMap = {
+  '\n': '',
+  '\r': '',
+  '\f': '',
+  '\b': '',
+  '\t': '',
+  '\v': '',
+  '\x7F': '', // delete
+};
+
+/// A [RegExp] that matches whitespace characters that should be escaped.
+var _escapeRegExp = RegExp(
+    '[\\x00-\\x07\\x0E-\\x1F${_escapeMap.keys.map(_getHexLiteral).join()}]');
+
+/// Returns [str] with all whitespace characters represented as their escape
+/// sequences.
+///
+/// Backslash characters are escaped as `\\`
+String escape(String str) {
+  str = str.replaceAll('\\', r'\\');
+  return str.replaceAllMapped(_escapeRegExp, (match) {
+    var mapped = _escapeMap[match[0]];
+    if (mapped != null) return mapped;
+    return _getHexLiteral(match[0]!);
+  });
+}
+
+/// Given single-character string, return the hex-escaped equivalent.
+String _getHexLiteral(String input) {
+  var rune = input.runes.single;
+  return r'\x' + rune.toRadixString(16).toUpperCase().padLeft(2, '0');
+}
+
+/// An implementation of [WindowsIapPlatform] that uses method channels.
+class MethodChannelWindowsIap extends WindowsIapPlatform {
+  /// The method channel used to interact with the native platform.
+  @visibleForTesting
+  final methodChannel = const MethodChannel('windows_iap');
+
+  @override
+  Future<StorePurchaseStatus?> makePurchase(String storeId) async {
+    final result = await methodChannel
+        .invokeMethod<int>('makePurchase', {'storeId': storeId});
+    if (result == null) {
+      return null;
+    }
+    switch (result) {
+      case 0:
+        return StorePurchaseStatus.succeeded;
+      case 1:
+        return StorePurchaseStatus.alreadyPurchased;
+      case 2:
+        return StorePurchaseStatus.notPurchased;
+      case 3:
+        return StorePurchaseStatus.networkError;
+      case 4:
+        return StorePurchaseStatus.serverError;
+    }
+    return null;
+  }
+
+  @override
+  Stream<List<Product>> productsStream() {
+    return const EventChannel('windows_iap_event_products')
+        .receiveBroadcastStream()
+        .map((event) {
+      if (event is String) {
+        return parseListNotNull(
+            json: jsonDecode(escape(event)), fromJson: Product.fromJson);
+      } else {
+        return [];
+      }
+    });
+  }
+
+  @override
+  Future<List<Product>> getProducts() async {
+    final result = await methodChannel.invokeMethod<String>('getProducts');
+    if (result == null) {
+      return [];
+    }
+    return parseListNotNull(
+        json: jsonDecode(escape(result)), fromJson: Product.fromJson);
+  }
+
+  @override
+  Future<bool> checkPurchase({required String storeId}) async {
+    final result = await methodChannel
+        .invokeMethod<bool>('checkPurchase', {'storeId': storeId});
+    return result ?? false;
+  }
+
+  @override
+  Future<Map<String, StoreLicense>> getAddonLicenses() async {
+    final result = await methodChannel.invokeMethod<Map>('getAddonLicenses');
+    if (result == null) {
+      return {};
+    }
+    return result.map((key, value) =>
+        MapEntry(key.toString(), StoreLicense.fromJson(jsonDecode(value))));
+  }
+}
--- a/windows_iap/lib/windows_iap_platform_interface.dart
+++ b/windows_iap/lib/windows_iap_platform_interface.dart
@@ -0,0 +1,44 @@
+import 'package:plugin_platform_interface/plugin_platform_interface.dart';
+import 'package:windows_iap/models/product.dart';
+import 'package:windows_iap/models/store_license.dart';
+
+import 'windows_iap.dart';
+import 'windows_iap_method_channel.dart';
+
+abstract class WindowsIapPlatform extends PlatformInterface {
+  /// Constructs a WindowsIapPlatform.
+  WindowsIapPlatform() : super(token: _token);
+
+  static final Object _token = Object();
+
+  static WindowsIapPlatform _instance = MethodChannelWindowsIap();
+
+  /// The default instance of [WindowsIapPlatform] to use.
+  ///
+  /// Defaults to [MethodChannelWindowsIap].
+  static WindowsIapPlatform get instance => _instance;
+
+  /// Platform-specific implementations should set this with their own
+  /// platform-specific class that extends [WindowsIapPlatform] when
+  /// they register themselves.
+  static set instance(WindowsIapPlatform instance) {
+    PlatformInterface.verifyToken(instance, _token);
+    _instance = instance;
+  }
+
+  Future<StorePurchaseStatus?> makePurchase(String storeId) {
+    throw UnimplementedError('makePurchase() has not been implemented.');
+  }
+
+  Future<List<Product>> getProducts() {
+    throw UnimplementedError('getProducts() has not been implemented.');
+  }
+
+  Future<bool> checkPurchase({required String storeId}) {
+    throw UnimplementedError('checkPurchase() has not been implemented.');
+  }
+
+  Future<Map<String, StoreLicense>> getAddonLicenses() {
+    throw UnimplementedError('getAddonLicenses() has not been implemented.');
+  }
+}
--- a/windows_iap/pubspec.yaml
+++ b/windows_iap/pubspec.yaml
@@ -0,0 +1,24 @@
+name: windows_iap
+description: A new Flutter project.
+version: 0.0.1
+homepage: https://github.com/opmgit/windows_iap
+
+environment:
+  sdk: ">=2.19.0 <3.0.0"
+  flutter: ">=3.7.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  plugin_platform_interface: ^2.1.4
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+flutter:
+
+  plugin:
+    platforms:
+      windows:
+        pluginClass: WindowsIapPluginCApi
--- a/windows_iap/test/windows_iap_method_channel_test.dart
+++ b/windows_iap/test/windows_iap_method_channel_test.dart
@@ -0,0 +1,24 @@
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:windows_iap/windows_iap_method_channel.dart';
+
+void main() {
+  MethodChannelWindowsIap platform = MethodChannelWindowsIap();
+  const MethodChannel channel = MethodChannel('windows_iap');
+
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  setUp(() {
+    channel.setMockMethodCallHandler((MethodCall methodCall) async {
+      return '42';
+    });
+  });
+
+  tearDown(() {
+    channel.setMockMethodCallHandler(null);
+  });
+
+  test('getPlatformVersion', () async {
+    // expect(await platform.getPlatformVersion(), '42');
+  });
+}
--- a/windows_iap/test/windows_iap_test.dart
+++ b/windows_iap/test/windows_iap_test.dart
@@ -0,0 +1,7 @@
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  test('1=1', () async {
+    expect(1, 1);
+  });
+}
--- a/windows_iap/watch.bat
+++ b/windows_iap/watch.bat
@@ -0,0 +1 @@
+flutter pub run build_runner watch --delete-conflicting-outputs --use-polling-watcher
--- a/windows_iap/windows/.gitignore
+++ b/windows_iap/windows/.gitignore
@@ -0,0 +1,17 @@
+flutter/
+
+# Visual Studio user-specific files.
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio build-related files.
+x64/
+x86/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
--- a/windows_iap/windows/CMakeLists.txt
+++ b/windows_iap/windows/CMakeLists.txt
@@ -0,0 +1,89 @@
+# The Flutter tooling requires that developers have a version of Visual Studio
+# installed that includes CMake 3.14 or later. You should not increase this
+# version, as doing so will cause the plugin to fail to compile for some
+# customers of the plugin.
+cmake_minimum_required(VERSION 3.14)
+
+# Project-level configuration.
+set(PROJECT_NAME "windows_iap")
+project(${PROJECT_NAME} LANGUAGES CXX)
+
+include(FetchContent)
+set(CPPWINRT_VERSION "2.0.221121.5")
+
+# This value is used when generating builds using this plugin, so it must
+# not be changed
+set(PLUGIN_NAME "windows_iap_plugin")
+
+################ NuGet intall begin ################
+FetchContent_Declare(nuget
+  URL "https://dist.nuget.org/win-x86-commandline/v6.4.0/nuget.exe"
+  URL_HASH SHA256=26730829b240581a3e6a4e276b9ace088930032df0c680d5591beccf6452374e
+  DOWNLOAD_NO_EXTRACT true
+)
+
+find_program(NUGET nuget)
+if (NOT NUGET)
+    message("Nuget.exe not found, trying to download or use cached version.")
+    FetchContent_MakeAvailable(nuget)
+    set(NUGET ${nuget_SOURCE_DIR}/nuget.exe)
+endif()
+
+execute_process(COMMAND
+    ${NUGET} install "Microsoft.Windows.CppWinRT" -Version ${CPPWINRT_VERSION} -OutputDirectory packages
+    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+    RESULT_VARIABLE ret)
+if (NOT ret EQUAL 0)
+    message(FATAL_ERROR "Failed to install nuget package Microsoft.Windows.CppWinRT.${CPPWINRT_VERSION}")
+endif()
+################ NuGet install end ################
+
+# Any new source files that you add to the plugin should be added here.
+list(APPEND PLUGIN_SOURCES
+  "windows_iap_plugin.cpp"
+  "windows_iap_plugin.h"
+)
+
+# Define the plugin library target. Its name must not be changed (see comment
+# on PLUGIN_NAME above).
+add_library(${PLUGIN_NAME} SHARED
+  "include/windows_iap/windows_iap_plugin_c_api.h"
+  "windows_iap_plugin_c_api.cpp"
+  ${PLUGIN_SOURCES}
+)
+
+# Apply a standard set of build settings that are configured in the
+# application-level CMakeLists.txt. This can be removed for plugins that want
+# full control over build settings.
+apply_standard_settings(${PLUGIN_NAME})
+
+# Symbols are hidden by default to reduce the chance of accidental conflicts
+# between plugins. This should not be removed; any symbols that should be
+# exported should be explicitly exported with the FLUTTER_PLUGIN_EXPORT macro.
+set_target_properties(${PLUGIN_NAME} PROPERTIES
+  CXX_VISIBILITY_PRESET hidden)
+target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL)
+
+################ NuGet import begin ################
+set_target_properties(${PLUGIN_NAME} PROPERTIES VS_PROJECT_IMPORT
+  ${CMAKE_BINARY_DIR}/packages/Microsoft.Windows.CppWinRT.${CPPWINRT_VERSION}/build/native/Microsoft.Windows.CppWinRT.props
+)
+
+target_link_libraries(${PLUGIN_NAME} PRIVATE
+  ${CMAKE_BINARY_DIR}/packages/Microsoft.Windows.CppWinRT.${CPPWINRT_VERSION}/build/native/Microsoft.Windows.CppWinRT.targets
+)
+################ NuGet import end ################
+
+# Source include directories and library dependencies. Add any plugin-specific
+# dependencies here.
+target_include_directories(${PLUGIN_NAME} INTERFACE
+  "${CMAKE_CURRENT_SOURCE_DIR}/include")
+target_link_libraries(${PLUGIN_NAME} PRIVATE flutter flutter_wrapper_plugin)
+
+# List of absolute paths to libraries that should be bundled with the plugin.
+# This list could contain prebuilt libraries, or libraries created by an
+# external build triggered from this build file.
+set(windows_iap_bundled_libraries
+  ""
+  PARENT_SCOPE
+)
--- a/windows_iap/windows/include/windows_iap/windows_iap_plugin_c_api.h
+++ b/windows_iap/windows/include/windows_iap/windows_iap_plugin_c_api.h
@@ -0,0 +1,23 @@
+#ifndef FLUTTER_PLUGIN_WINDOWS_IAP_PLUGIN_C_API_H_
+#define FLUTTER_PLUGIN_WINDOWS_IAP_PLUGIN_C_API_H_
+
+#include <flutter_plugin_registrar.h>
+
+#ifdef FLUTTER_PLUGIN_IMPL
+#define FLUTTER_PLUGIN_EXPORT __declspec(dllexport)
+#else
+#define FLUTTER_PLUGIN_EXPORT __declspec(dllimport)
+#endif
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+FLUTTER_PLUGIN_EXPORT void WindowsIapPluginCApiRegisterWithRegistrar(
+    FlutterDesktopPluginRegistrarRef registrar);
+
+#if defined(__cplusplus)
+}  // extern "C"
+#endif
+
+#endif  // FLUTTER_PLUGIN_WINDOWS_IAP_PLUGIN_C_API_H_
--- a/windows_iap/windows/windows_iap_plugin.cpp
+++ b/windows_iap/windows/windows_iap_plugin.cpp
@@ -0,0 +1,280 @@
+#include "windows_iap_plugin.h"
+
+// This must be included before many other Windows headers.
+#include <windows.h>
+
+#include <flutter/method_channel.h>
+#include <flutter/plugin_registrar_windows.h>
+#include <flutter/standard_method_codec.h>
+
+#include <memory>
+#include <sstream>
+
+#pragma once
+#include <winrt/Windows.Services.Store.h>
+#include <winrt/Windows.Foundation.Collections.h>
+#include <shobjidl.h>
+
+#include <flutter/event_sink.h>
+#include <flutter/event_channel.h>
+#include <flutter/event_stream_handler.h>
+#include <flutter/event_stream_handler_functions.h>
+
+using namespace winrt;
+using namespace Windows::Services::Store;
+using namespace Windows::Foundation::Collections;
+namespace foundation = Windows::Foundation;
+
+namespace windows_iap {
+
+	//////////////////////////////////////////////////////////////////////// BEGIN OF MY CODE //////////////////////////////////////////////////////////////
+	flutter::PluginRegistrarWindows* _registrar;
+
+	HWND GetRootWindow(flutter::FlutterView* view) {
+		return ::GetAncestor(view->GetNativeWindow(), GA_ROOT);
+	}
+
+	StoreContext getStore() {
+		StoreContext store = StoreContext::GetDefault();
+		auto initWindow = store.try_as<IInitializeWithWindow>();
+		if (initWindow != nullptr) {
+			initWindow->Initialize(GetRootWindow(_registrar->GetView()));
+		}
+		return store;
+	}
+
+	std::wstring s2ws(const std::string& s)
+	{
+		int len;
+		int slength = (int)s.length() + 1;
+		len = MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, 0, 0);
+		wchar_t* buf = new wchar_t[len];
+		MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, buf, len);
+		std::wstring r(buf);
+		delete[] buf;
+		return r;
+	}
+
+	std::string debugString(std::vector<std::string> vt) {
+
+		std::stringstream ss;
+		ss << "( ";
+		for (auto t : vt) {
+			ss << t << ", ";
+		}
+		ss << " )\n";
+		return ss.str();
+	}
+
+	std::string getExtendedErrorString(winrt::hresult error) {
+		const HRESULT IAP_E_UNEXPECTED = 0x803f6107L;
+		std::string message;
+		if (error.value == IAP_E_UNEXPECTED) {
+			message = "This Product has not been properly configured.";
+		}
+		else {
+			message = "ExtendedError: " + std::to_string(error.value);
+		}
+		return message;
+	}
+
+	foundation::IAsyncAction makePurchase(hstring storeId, std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> resultCallback)
+	{
+		StorePurchaseResult result = co_await getStore().RequestPurchaseAsync(storeId);
+
+		if (result.ExtendedError().value != S_OK) {
+			resultCallback->Error(std::to_string(result.ExtendedError().value), getExtendedErrorString(result.ExtendedError().value));
+			co_return;
+		}
+		int32_t returnCode;
+		switch (result.Status()) {
+		case StorePurchaseStatus::AlreadyPurchased:
+			returnCode = 1;
+			break;
+
+		case StorePurchaseStatus::Succeeded:
+			returnCode = 0;
+			break;
+
+		case StorePurchaseStatus::NotPurchased:
+			returnCode = 2;
+			break;
+
+		case StorePurchaseStatus::NetworkError:
+			returnCode = 3;
+			break;
+
+		case StorePurchaseStatus::ServerError:
+			returnCode = 4;
+			break;
+
+		default:
+			auto status = reinterpret_cast<int32_t*>(result.Status());
+			resultCallback->Error(std::to_string(*status), "Product was not purchased due to an unknown error.");
+			co_return;
+			break;
+		}
+
+		resultCallback->Success(flutter::EncodableValue(returnCode));
+	}
+
+	std::string productsToString(std::vector<StoreProduct> products) {
+		std::stringstream ss;
+		ss << "[";
+		for (int i = 0; i < products.size(); i++) {
+			auto product = products.at(i);
+			ss << "{";
+			ss << "\"title\":\"" << to_string(product.Title()) << "\",";
+			ss << "\"description\":\"" << to_string(product.Description()) << "\",";
+			ss << "\"price\":\"" << to_string(product.Price().FormattedPrice()) << "\",";
+			ss << "\"inCollection\":" << (product.IsInUserCollection() ? "true" : "false") << ",";
+			ss << "\"productKind\":\"" << to_string(product.ProductKind()) << "\",";
+			ss << "\"storeId\":\"" << to_string(product.StoreId()) << "\"";
+			ss << "}";
+			if (i != products.size() - 1) {
+				ss << ",";
+			}
+		}
+		ss << "]";
+
+		return ss.str();
+	}
+
+	foundation::IAsyncAction getProducts(std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> resultCallback) {
+		auto result = co_await getStore().GetAssociatedStoreProductsAsync({ L"Consumable", L"Durable", L"UnmanagedConsumable" });
+		if (result.ExtendedError().value != S_OK) {
+			resultCallback->Error(std::to_string(result.ExtendedError().value), getExtendedErrorString(result.ExtendedError()));
+		}
+		else if (result.Products().Size() == 0) {
+			resultCallback->Success(flutter::EncodableValue("[]"));
+
+		}
+		else {
+			std::vector<StoreProduct> products;
+			for (IKeyValuePair<hstring, StoreProduct> addOn : result.Products())
+			{
+				StoreProduct product = addOn.Value();
+				products.push_back(product);
+			}
+			std::string productsString = productsToString(products);
+			resultCallback->Success(flutter::EncodableValue(productsString));
+		}
+	}
+
+	std::string getStoreLicenseString(StoreLicense license) {
+		std::stringstream ss;
+		ss << "{";
+		ss << "\"isActive\":" << (license.IsActive() ? "true" : "false") << ",";
+		ss << "\"skuStoreId\":\"" << to_string(license.SkuStoreId()) << "\",";
+		ss << "\"inAppOfferToken\":\"" << to_string(license.InAppOfferToken()) << "\",";
+		ss << "\"expirationDate\":" << license.ExpirationDate().time_since_epoch().count() << "";
+		ss << "}";
+
+		return ss.str();
+	}
+
+	foundation::IAsyncAction getAddonLicenses(std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> resultCallback) {
+		auto result = co_await getStore().GetAppLicenseAsync();
+		auto addonLicenses = result.AddOnLicenses();
+
+		std::map<flutter::EncodableValue, flutter::EncodableValue> mapLicenses;
+
+		for (IKeyValuePair<hstring, StoreLicense> addonLicense : addonLicenses)
+		{
+			mapLicenses[flutter::EncodableValue(to_string(addonLicense.Key()))] = flutter::EncodableValue(getStoreLicenseString(addonLicense.Value()));
+		}
+
+		resultCallback->Success(flutter::EncodableValue(mapLicenses));
+	}
+
+	/// <summary>
+	///  need to test in real app on store
+	/// </summary>
+	foundation::IAsyncAction checkPurchase(std::string storeId, std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> resultCallback) {
+		auto result = co_await getStore().GetAppLicenseAsync();
+
+		if (result.IsActive()) {
+
+			auto addonLicenses = result.AddOnLicenses();
+
+			for (IKeyValuePair<hstring, StoreLicense> addonLicense : addonLicenses)
+			{
+				StoreLicense license = addonLicense.Value();
+
+				if (storeId.compare("") == 0) {
+					// Truong hop storeId empty => bat ky Add-on nao co IsActive = true deu return true
+					if (license.IsActive()) {
+						resultCallback->Success(flutter::EncodableValue(true));
+						co_return;
+					}
+				}
+				else {
+					// Truong hop storeId not empty => check key = storeId
+					auto key = to_string(addonLicense.Key());
+					if (key.compare(storeId) == 0) {
+						resultCallback->Success(flutter::EncodableValue(license.IsActive()));
+						co_return;
+					}
+				}
+
+			}
+			// truong hop duyet het add-on license nhung vang khong tim thay IsActive = true thi return false
+			resultCallback->Success(flutter::EncodableValue(false));
+		}
+		else {
+			resultCallback->Success(flutter::EncodableValue(false));
+		}
+	}
+
+
+	//////////////////////////////////////////////////////////////////////// END OF MY CODE //////////////////////////////////////////////////////////////
+
+// static
+	void WindowsIapPlugin::RegisterWithRegistrar(
+		flutter::PluginRegistrarWindows* registrar) {
+		_registrar = registrar;
+
+		auto channel =
+			std::make_unique<flutter::MethodChannel<flutter::EncodableValue>>(
+				registrar->messenger(), "windows_iap",
+				&flutter::StandardMethodCodec::GetInstance());
+
+		auto plugin = std::make_unique<WindowsIapPlugin>();
+
+		channel->SetMethodCallHandler(
+			[plugin_pointer = plugin.get()](const auto& call, auto result) {
+			plugin_pointer->HandleMethodCall(call, std::move(result));
+		});
+
+		registrar->AddPlugin(std::move(plugin));
+	}
+
+	WindowsIapPlugin::WindowsIapPlugin() {}
+
+	WindowsIapPlugin::~WindowsIapPlugin() {}
+
+	void WindowsIapPlugin::HandleMethodCall(
+		const flutter::MethodCall<flutter::EncodableValue>& method_call,
+		std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result) {
+		if (method_call.method_name().compare("makePurchase") == 0) {
+			auto args = std::get<flutter::EncodableMap>(*method_call.arguments());
+			auto storeId = std::get<std::string>(args[flutter::EncodableValue("storeId")]);
+			makePurchase(to_hstring(storeId), std::move(result));
+		}
+		else if (method_call.method_name().compare("getProducts") == 0) {
+			getProducts(std::move(result));
+		}
+		else if (method_call.method_name().compare("checkPurchase") == 0) {
+			auto args = std::get<flutter::EncodableMap>(*method_call.arguments());
+			auto storeId = std::get<std::string>(args[flutter::EncodableValue("storeId")]);
+			checkPurchase(storeId, std::move(result));
+		}
+		else if (method_call.method_name().compare("getAddonLicenses") == 0) {
+			getAddonLicenses(std::move(result));
+		}
+		else {
+			result->NotImplemented();
+		}
+	}
+
+}  // namespace windows_iap
--- a/windows_iap/windows/windows_iap_plugin.h
+++ b/windows_iap/windows/windows_iap_plugin.h
@@ -0,0 +1,32 @@
+#ifndef FLUTTER_PLUGIN_WINDOWS_IAP_PLUGIN_H_
+#define FLUTTER_PLUGIN_WINDOWS_IAP_PLUGIN_H_
+
+#include <flutter/method_channel.h>
+#include <flutter/plugin_registrar_windows.h>
+
+#include <memory>
+
+namespace windows_iap {
+
+class WindowsIapPlugin : public flutter::Plugin {
+ public:
+  static void RegisterWithRegistrar(flutter::PluginRegistrarWindows *registrar);
+
+  WindowsIapPlugin();
+
+  virtual ~WindowsIapPlugin();
+
+  // Disallow copy and assign.
+  WindowsIapPlugin(const WindowsIapPlugin&) = delete;
+  WindowsIapPlugin& operator=(const WindowsIapPlugin&) = delete;
+
+ private:
+  // Called when a method is called on this plugin's channel from Dart.
+  void HandleMethodCall(
+      const flutter::MethodCall<flutter::EncodableValue> &method_call,
+      std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result);
+};
+
+}  // namespace windows_iap
+
+#endif  // FLUTTER_PLUGIN_WINDOWS_IAP_PLUGIN_H_
--- a/windows_iap/windows/windows_iap_plugin_c_api.cpp
+++ b/windows_iap/windows/windows_iap_plugin_c_api.cpp
@@ -0,0 +1,12 @@
+#include "include/windows_iap/windows_iap_plugin_c_api.h"
+
+#include <flutter/plugin_registrar_windows.h>
+
+#include "windows_iap_plugin.h"
+
+void WindowsIapPluginCApiRegisterWithRegistrar(
+    FlutterDesktopPluginRegistrarRef registrar) {
+  windows_iap::WindowsIapPlugin::RegisterWithRegistrar(
+      flutter::PluginRegistrarManager::GetInstance()
+          ->GetRegistrar<flutter::PluginRegistrarWindows>(registrar));
+}
				`@@ -0,0 +1 @@`
				`flutter pub run build_runner watch --delete-conflicting-outputs --use-polling-watcher`