feat: implement retreiving widgets

- display a bottom sheet with widgets
- open widgets in a browser
- fixes in .gitignore
- Windows UWP build files

Signed-off-by: TheOneWithTheBraid <the-one@with-the-braid.cf>

.gitignore

@@ -56,3 +56,9 @@ android/Gemfile.lock
 lib/l10n_old
 ios/Flutter/.last_build_id
 ios/Podfile.lock
+
+/windows/out
+/winuwp/out
+/linux/out
+/macos/out
+.vs

.metadata

@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 657830b4c77aecfd0e32ec6504c859213dded97a
+  channel: master
+
+project_type: app

assets/l10n/intl_en.arb

@@ -2709,5 +2709,10 @@
   "@iUnderstand": {},
   "openChat": "Open Chat",
   "markAsRead": "Mark as read",
-  "reportUser": "Report user"
+  "reportUser": "Report user",
+  "dismiss": "Dismiss",
+  "markAsRead": "Mark as read",
+  "matrixWidgets": "Matrix Widgets",
+  "integrationsNotImplemented": "Editing widgets and integrations is not possible yet.",
+  "editIntegrations": "Edit widgets and integrations"
 }

lib/pages/chat/chat.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:io';
 
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
@@ -19,8 +20,10 @@ import 'package:vrouter/vrouter.dart';
 
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/pages/chat/chat_view.dart';
+import 'package:fluffychat/pages/chat/cupertino_widgets_bottom_sheet.dart';
 import 'package:fluffychat/pages/chat/event_info_dialog.dart';
 import 'package:fluffychat/pages/chat/recording_dialog.dart';
+import 'package:fluffychat/pages/chat/widgets_bottom_sheet.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions.dart/event_extension.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions.dart/ios_badge_client_extension.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions.dart/matrix_locals.dart';
@@ -63,7 +66,9 @@ class ChatController extends State<Chat> {
   bool dragging = false;
 
   void onDragEntered(_) => setState(() => dragging = true);
+
   void onDragExited(_) => setState(() => dragging = false);
+
   void onDragDone(DropDoneDetails details) async {
     setState(() => dragging = false);
     for (final xfile in details.files) {
@@ -563,6 +568,17 @@ class ChatController extends State<Chat> {
         .any((cl) => selectedEvents.first.senderId == cl!.userID);
   }
 
+  void showWidgetsSheet() => [TargetPlatform.iOS, TargetPlatform.macOS]
+          .contains(Theme.of(context).platform)
+      ? showCupertinoModalPopup(
+          context: context,
+          builder: (context) => CupertinoWidgetsBottomSheet(room: room!),
+        )
+      : showModalBottomSheet(
+          context: context,
+          builder: (context) => WidgetsBottomSheet(room: room!),
+        );
+
   void forwardEventsAction() async {
     if (selectedEvents.length == 1) {
       Matrix.of(context).shareContent = selectedEvents.first.content;

lib/pages/chat/chat_view.dart

@@ -36,8 +36,9 @@ class ChatView extends StatelessWidget {
 
   const ChatView(this.controller, {Key? key}) : super(key: key);
 
-  List<Widget> _appBarActions(BuildContext context) => controller.selectMode
+  List<Widget> _appBarActions(BuildContext context) {
-      ? [
+    if (controller.selectMode) {
+      return [
         if (controller.canEditSelectedEvents)
           IconButton(
             icon: const Icon(Icons.edit_outlined),
@@ -102,11 +103,20 @@ class ChatView extends StatelessWidget {
               ),
             ],
           ),
-        ]
-      : [
-          ChatSettingsPopupMenu(
-              controller.room!, !controller.room!.isDirectChat),
       ];
+    } else {
+      final widgets = controller.room?.widgets ?? [];
+      return [
+        if (widgets.isNotEmpty)
+          IconButton(
+            onPressed: controller.showWidgetsSheet,
+            icon: const Icon(Icons.widgets),
+            tooltip: L10n.of(context)!.matrixWidgets,
+          ),
+        ChatSettingsPopupMenu(controller.room!, !controller.room!.isDirectChat),
+      ];
+    }
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -142,7 +152,10 @@ class ChatView extends StatelessWidget {
       child: StreamBuilder(
         stream: controller.room!.onUpdate.stream
             .rateLimit(const Duration(milliseconds: 250)),
-        builder: (context, snapshot) => Scaffold(
+        builder: (context, snapshot) => FutureBuilder<bool>(
+          future: controller.getTimeline(),
+          builder: (BuildContext context, snapshot) {
+            return Scaffold(
               appBar: AppBar(
                 actionsIconTheme: IconThemeData(
                   color: controller.selectedEvents.isEmpty
@@ -169,7 +182,8 @@ class ChatView extends StatelessWidget {
                         onPressed: controller.scrollDown,
                         foregroundColor:
                             Theme.of(context).textTheme.bodyText2!.color,
-                    backgroundColor: Theme.of(context).scaffoldBackgroundColor,
+                        backgroundColor:
+                            Theme.of(context).scaffoldBackgroundColor,
                         mini: true,
                         child: Icon(Icons.arrow_downward_outlined,
                             color: Theme.of(context).primaryColor),
@@ -197,9 +211,8 @@ class ChatView extends StatelessWidget {
                           Expanded(
                             child: GestureDetector(
                                 onTap: controller.clearSingleSelectedEvent,
-                            child: FutureBuilder<bool>(
+                                child: Builder(
-                              future: controller.getTimeline(),
+                                  builder: (context) {
-                              builder: (BuildContext context, snapshot) {
                                     if (snapshot.hasError) {
                                       SentryController.captureException(
                                         snapshot.error,
@@ -208,7 +221,8 @@ class ChatView extends StatelessWidget {
                                     }
                                     if (controller.timeline == null) {
                                       return const Center(
-                                    child: CircularProgressIndicator.adaptive(
+                                        child:
+                                            CircularProgressIndicator.adaptive(
                                                 strokeWidth: 2),
                                       );
                                     }
@@ -219,8 +233,8 @@ class ChatView extends StatelessWidget {
                                     for (var i = 0;
                                         i < controller.filteredEvents.length;
                                         i++) {
-                                  thisEventsKeyMap[
+                                      thisEventsKeyMap[controller
-                                      controller.filteredEvents[i].eventId] = i;
+                                          .filteredEvents[i].eventId] = i;
                                     }
                                     return ListView.custom(
                                       padding: EdgeInsets.only(
@@ -231,36 +245,43 @@ class ChatView extends StatelessWidget {
                                       ),
                                       reverse: true,
                                       controller: controller.scrollController,
-                                  keyboardDismissBehavior: PlatformInfos.isIOS
+                                      keyboardDismissBehavior: PlatformInfos
-                                      ? ScrollViewKeyboardDismissBehavior.onDrag
+                                              .isIOS
+                                          ? ScrollViewKeyboardDismissBehavior
+                                              .onDrag
                                           : ScrollViewKeyboardDismissBehavior
                                               .manual,
-                                  childrenDelegate: SliverChildBuilderDelegate(
+                                      childrenDelegate:
+                                          SliverChildBuilderDelegate(
                                         (BuildContext context, int i) {
                                           return i ==
-                                              controller.filteredEvents.length +
+                                                  controller.filteredEvents
+                                                          .length +
                                                       1
-                                          ? controller
+                                              ? controller.timeline!
-                                                  .timeline!.isRequestingHistory
+                                                      .isRequestingHistory
                                                   ? const Center(
                                                       child:
                                                           CircularProgressIndicator
                                                               .adaptive(
-                                                              strokeWidth: 2),
+                                                                  strokeWidth:
+                                                                      2),
                                                     )
                                                   : controller.canLoadMore
                                                       ? Center(
                                                           child: OutlinedButton(
-                                                        style: OutlinedButton
+                                                            style:
+                                                                OutlinedButton
                                                                     .styleFrom(
-                                                          backgroundColor: Theme
+                                                              backgroundColor:
-                                                                  .of(context)
+                                                                  Theme.of(
+                                                                          context)
                                                                       .scaffoldBackgroundColor,
                                                             ),
                                                             onPressed: controller
                                                                 .requestHistory,
-                                                        child: Text(
+                                                            child: Text(L10n.of(
-                                                            L10n.of(context)!
+                                                                    context)!
                                                                 .loadMore),
                                                           ),
                                                         )
@@ -284,18 +305,22 @@ class ChatView extends StatelessWidget {
                                                           .scrollController,
                                                       child: Swipeable(
                                                         key: ValueKey(controller
-                                                        .filteredEvents[i - 1]
+                                                            .filteredEvents[
+                                                                i - 1]
                                                             .eventId),
-                                                    background: const Padding(
+                                                        background:
-                                                      padding:
+                                                            const Padding(
-                                                          EdgeInsets.symmetric(
+                                                          padding: EdgeInsets
-                                                              horizontal: 12.0),
+                                                              .symmetric(
+                                                                  horizontal:
+                                                                      12.0),
                                                           child: Center(
                                                             child: Icon(Icons
                                                                 .reply_outlined),
                                                           ),
                                                         ),
-                                                    direction: SwipeDirection
+                                                        direction:
+                                                            SwipeDirection
                                                                 .endToStart,
                                                         onSwipe: (direction) =>
                                                             controller.replyAction(
@@ -307,10 +332,13 @@ class ChatView extends StatelessWidget {
                                                                 i - 1],
                                                             onInfoTab: controller
                                                                 .showEventInfo,
-                                                        onAvatarTab: (Event event) =>
+                                                            onAvatarTab:
+                                                                (Event event) =>
                                                                     showModalBottomSheet(
-                                                              context: context,
+                                                                      context:
-                                                              builder: (c) =>
+                                                                          context,
+                                                                      builder:
+                                                                          (c) =>
                                                                               UserBottomSheet(
                                                                         user: event
                                                                             .sender,
@@ -318,18 +346,16 @@ class ChatView extends StatelessWidget {
                                                                             context,
                                                                         onMention: () => controller
                                                                             .sendController
-                                                                        .text +=
+                                                                            .text += '${event.sender.mention} ',
-                                                                    '${event.sender.mention} ',
                                                                       ),
                                                                     ),
-                                                        unfold:
+                                                            unfold: controller
-                                                            controller.unfold,
+                                                                .unfold,
                                                             onSelect: controller
                                                                 .onSelectMessage,
                                                             scrollToEventId:
                                                                 (String eventId) =>
-                                                                controller
+                                                                    controller.scrollToEventId(
-                                                                    .scrollToEventId(
                                                                         eventId),
                                                             longPressSelect:
                                                                 controller
@@ -344,7 +370,8 @@ class ChatView extends StatelessWidget {
                                                     );
                                         },
                                         childCount:
-                                        controller.filteredEvents.length + 2,
+                                            controller.filteredEvents.length +
+                                                2,
                                         findChildIndexCallback: (key) =>
                                             controller.findChildIndexCallback(
                                                 key, thisEventsKeyMap),
@@ -376,8 +403,9 @@ class ChatView extends StatelessWidget {
                                     .secondaryHeaderColor
                                     .withAlpha(100),
                                 clipBehavior: Clip.hardEdge,
-                            color:
+                                color: Theme.of(context)
-                                Theme.of(context).appBarTheme.backgroundColor,
+                                    .appBarTheme
+                                    .backgroundColor,
                                 child: Column(
                                   mainAxisSize: MainAxisSize.min,
                                   children: [
@@ -407,6 +435,8 @@ class ChatView extends StatelessWidget {
                   ],
                 ),
               ),
+            );
+          },
         ),
       ),
     );

lib/pages/chat/cupertino_widgets_bottom_sheet.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/cupertino.dart';
+
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:matrix/matrix.dart';
+import 'package:url_launcher/link.dart';
+
+class CupertinoWidgetsBottomSheet extends StatelessWidget {
+  final Room room;
+
+  const CupertinoWidgetsBottomSheet({Key? key, required this.room})
+      : super(key: key);
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoActionSheet(
+      title: Text(L10n.of(context)!.matrixWidgets),
+      actions: [
+        ...room.widgets.map(
+          (widget) => Link(
+            builder: (context, callback) {
+              return CupertinoActionSheetAction(
+                child: Text(widget.name),
+                onPressed: callback ?? () {},
+              );
+            },
+            target: LinkTarget.blank,
+            uri: Uri.parse(widget.url),
+          ),
+        ),
+        CupertinoActionSheetAction(
+          child: Text(L10n.of(context)!.integrationsNotImplemented),
+          onPressed: () {},
+        ),
+        CupertinoActionSheetAction(
+          child: Text(L10n.of(context)!.cancel),
+          onPressed: Navigator.of(context).pop,
+        ),
+      ],
+    );
+  }
+}

lib/pages/chat/widgets_bottom_sheet.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:matrix/matrix.dart';
+import 'package:url_launcher/link.dart';
+
+class WidgetsBottomSheet extends StatelessWidget {
+  final Room room;
+
+  const WidgetsBottomSheet({Key? key, required this.room}) : super(key: key);
+  @override
+  Widget build(BuildContext context) {
+    return ListView.builder(
+      shrinkWrap: true,
+      itemBuilder: (context, index) {
+        if (index == room.widgets.length) {
+          return ListTile(
+            title: Text(L10n.of(context)!.integrationsNotImplemented),
+            leading: const Icon(Icons.info),
+          );
+        }
+        final widget = room.widgets[index];
+        return Link(
+          builder: (context, callback) {
+            return ListTile(
+              title: Text(widget.name),
+              subtitle: Text(widget.type),
+              onTap: callback,
+            );
+          },
+          target: LinkTarget.blank,
+          uri: Uri.parse(widget.url),
+        );
+      },
+      itemCount: room.widgets.length + 1,
+    );
+  }
+}

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -17,6 +17,7 @@ import path_provider_macos
 import shared_preferences_macos
 import sqflite
 import url_launcher_macos
+import video_compress
 import wakelock_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
@@ -32,5 +33,6 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
   UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
+  VideoCompressPlugin.register(with: registry.registrar(forPlugin: "VideoCompressPlugin"))
   WakelockMacosPlugin.register(with: registry.registrar(forPlugin: "WakelockMacosPlugin"))
 }

pubspec.lock

@@ -1572,7 +1572,7 @@ packages:
       name: url_launcher_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.0.6"
   url_launcher_windows:
     dependency: transitive
     description:
@@ -1757,4 +1757,4 @@ packages:
     version: "3.1.0"
 sdks:
   dart: ">=2.15.1 <3.0.0"
-  flutter: ">=2.10.0"
+  flutter: ">=2.8.0"

windows/flutter/CMakeLists.txt

@@ -91,6 +91,7 @@ add_custom_command(
     ${FLUTTER_TOOL_ENVIRONMENT}
     "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
       windows-x64 $<CONFIG>
+  VERBATIM
 )
 add_custom_target(flutter_assemble DEPENDS
   "${FLUTTER_LIBRARY}"

windows/flutter/generated_plugins.cmake

@@ -9,6 +9,9 @@ list(APPEND FLUTTER_PLUGIN_LIST
   url_launcher_windows
 )
 
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
 set(PLUGIN_BUNDLED_LIBRARIES)
 
 foreach(plugin ${FLUTTER_PLUGIN_LIST})
@@ -17,3 +20,8 @@ foreach(plugin ${FLUTTER_PLUGIN_LIST})
   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)

winuwp/.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/

winuwp/CMakeLists.txt

@@ -0,0 +1,64 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.8)
+set(CMAKE_SYSTEM_NAME WindowsStore)
+set(CMAKE_SYSTEM_VERSION 10.0)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED YES)
+project(fluffychat LANGUAGES CXX)
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0079 NEW)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "fluffychat")
+
+# Define build configuration options.
+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" /await)
+  target_compile_options(${TARGET} PRIVATE /EHsc)
+  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+  target_compile_definitions(${TARGET} PRIVATE WINUWP)
+  set_target_properties(${TARGET} PROPERTIES VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION 10.0.18362.0)
+endfunction()
+
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+
+# Flutter library and tool build rules.
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner_uwp")
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)

winuwp/flutter/CMakeLists.txt

@@ -0,0 +1,92 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.8)
+set(CMAKE_SYSTEM_NAME WindowsStore)
+set(CMAKE_SYSTEM_VERSION 10.0)
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+include(CMakePrintHelpers)
+
+# Configuration provided via flutter tool.
+include(${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_winuwp.dll")
+
+# === Assets ===
+set(CMAKE_INSTALL_MANIFEST "${EPHEMERAL_DIR}/install_manifest")
+file(STRINGS ${CMAKE_INSTALL_MANIFEST} INSTALL_MANIFEST_CONTENT)
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(INSTALL_MANIFEST_CONTENT ${INSTALL_MANIFEST_CONTENT} PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "flutter_export.h"
+  "flutter_windows.h"
+  "flutter_messenger.h"
+  "flutter_plugin_registrar.h"
+  "flutter_texture_registrar.h"
+)
+list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${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)
+
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+  ${CPP_WRAPPER_SOURCES_APP}
+)

winuwp/flutter/flutter_windows.h

@@ -0,0 +1,270 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef FLUTTER_SHELL_PLATFORM_WINDOWS_PUBLIC_FLUTTER_H_
+#define FLUTTER_SHELL_PLATFORM_WINDOWS_PUBLIC_FLUTTER_H_
+
+#include <stddef.h>
+#include <stdint.h>
+#include <windows.h>
+
+#include "flutter_export.h"
+#include "flutter_messenger.h"
+#include "flutter_plugin_registrar.h"
+
+#ifdef WINUWP
+#include <windows.applicationmodel.activation.h>
+#include <windows.ui.core.h>
+#endif
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+// Opaque reference to a Flutter window controller.
+typedef struct FlutterDesktopViewControllerState*
+    FlutterDesktopViewControllerRef;
+
+// Opaque reference to a Flutter window.
+struct FlutterDesktopView;
+typedef struct FlutterDesktopView* FlutterDesktopViewRef;
+
+// Opaque reference to a Flutter engine instance.
+struct FlutterDesktopEngine;
+typedef struct FlutterDesktopEngine* FlutterDesktopEngineRef;
+
+// Properties for configuring a Flutter engine instance.
+typedef struct {
+  // The path to the flutter_assets folder for the application to be run.
+  // This can either be an absolute path or a path relative to the directory
+  // containing the executable.
+  const wchar_t* assets_path;
+
+  // The path to the icudtl.dat file for the version of Flutter you are using.
+  // This can either be an absolute path or a path relative to the directory
+  // containing the executable.
+  const wchar_t* icu_data_path;
+
+  // The path to the AOT library file for your application, if any.
+  // This can either be an absolute path or a path relative to the directory
+  // containing the executable. This can be nullptr for a non-AOT build, as
+  // it will be ignored in that case.
+  const wchar_t* aot_library_path;
+
+  // Number of elements in the array passed in as dart_entrypoint_argv.
+  int dart_entrypoint_argc;
+
+  // Array of Dart entrypoint arguments. This is deep copied during the call
+  // to FlutterDesktopEngineCreate.
+  const char** dart_entrypoint_argv;
+
+} FlutterDesktopEngineProperties;
+
+// ========== View Controller ==========
+
+// Creates a view that hosts and displays the given engine instance.
+//
+// This takes ownership of |engine|, so FlutterDesktopEngineDestroy should no
+// longer be called on it, as it will be called internally when the view
+// controller is destroyed. If creating the view controller fails, the engine
+// will be destroyed immediately.
+//
+// If |engine| is not already running, the view controller will start running
+// it automatically before displaying the window.
+//
+// The caller owns the returned reference, and is responsible for calling
+// FlutterDesktopViewControllerDestroy. Returns a null pointer in the event of
+// an error.
+#ifdef WINUWP
+// The CoreApplicationView implementation accepts a pointer to the host
+// CoreApplicationView and view hookup is performed in the construction path.
+FLUTTER_EXPORT FlutterDesktopViewControllerRef
+FlutterDesktopViewControllerCreateFromCoreApplicationView(
+    ABI::Windows::ApplicationModel::Core::CoreApplicationView* window,
+    ABI::Windows::ApplicationModel::Activation::IActivatedEventArgs* args,
+    FlutterDesktopEngineRef engine);
+#else  //! WINUWP
+// The Win32 implementation accepts width, height
+// with view hookup explicitly performed using the caller using HWND parenting.
+FLUTTER_EXPORT FlutterDesktopViewControllerRef
+FlutterDesktopViewControllerCreate(int width,
+                                   int height,
+                                   FlutterDesktopEngineRef engine);
+#endif
+
+// Shuts down the engine instance associated with |controller|, and cleans up
+// associated state.
+//
+// |controller| is no longer valid after this call.
+FLUTTER_EXPORT void FlutterDesktopViewControllerDestroy(
+    FlutterDesktopViewControllerRef controller);
+
+// Returns the handle for the engine running in FlutterDesktopViewControllerRef.
+//
+// Its lifetime is the same as the |controller|'s.
+FLUTTER_EXPORT FlutterDesktopEngineRef FlutterDesktopViewControllerGetEngine(
+    FlutterDesktopViewControllerRef controller);
+// Returns the view managed by the given controller.
+
+FLUTTER_EXPORT FlutterDesktopViewRef
+FlutterDesktopViewControllerGetView(FlutterDesktopViewControllerRef controller);
+
+// Requests new frame from engine and repaints the view
+FLUTTER_EXPORT void FlutterDesktopViewControllerForceRedraw(
+    FlutterDesktopViewControllerRef controller);
+
+#ifndef WINUWP
+// Allows the Flutter engine and any interested plugins an opportunity to
+// handle the given message.
+//
+// If the WindowProc was handled and further handling should stop, this returns
+// true and |result| will be populated. |result| is not set if returning false.
+FLUTTER_EXPORT bool FlutterDesktopViewControllerHandleTopLevelWindowProc(
+    FlutterDesktopViewControllerRef controller,
+    HWND hwnd,
+    UINT message,
+    WPARAM wparam,
+    LPARAM lparam,
+    LRESULT* result);
+#endif
+
+// ========== Engine ==========
+
+// Creates a Flutter engine with the given properties.
+//
+// The caller owns the returned reference, and is responsible for calling
+// FlutterDesktopEngineDestroy. The lifetime of |engine_properties| is required
+// to extend only until the end of this call.
+FLUTTER_EXPORT FlutterDesktopEngineRef FlutterDesktopEngineCreate(
+    const FlutterDesktopEngineProperties* engine_properties);
+
+// Shuts down and destroys the given engine instance. Returns true if the
+// shutdown was successful, or if the engine was not running.
+//
+// |engine| is no longer valid after this call.
+FLUTTER_EXPORT bool FlutterDesktopEngineDestroy(FlutterDesktopEngineRef engine);
+
+// Starts running the given engine instance and optional entry point in the Dart
+// project. If the entry point is null, defaults to main().
+//
+// If provided, entry_point must be the name of a top-level function from the
+// same Dart library that contains the app's main() function, and must be
+// decorated with `@pragma(vm:entry-point)` to ensure the method is not
+// tree-shaken by the Dart compiler.
+//
+// Returns false if running the engine failed.
+FLUTTER_EXPORT bool FlutterDesktopEngineRun(FlutterDesktopEngineRef engine,
+                                            const char* entry_point);
+
+#ifndef WINUWP
+// DEPRECATED: This is no longer necessary to call, Flutter will take care of
+// processing engine messages transparently through DispatchMessage.
+//
+// Processes any pending events in the Flutter engine, and returns the
+// number of nanoseconds until the next scheduled event (or max, if none).
+//
+// This should be called on every run of the application-level runloop, and
+// a wait for native events in the runloop should never be longer than the
+// last return value from this function.
+FLUTTER_EXPORT uint64_t
+FlutterDesktopEngineProcessMessages(FlutterDesktopEngineRef engine);
+#endif
+
+FLUTTER_EXPORT void FlutterDesktopEngineReloadSystemFonts(
+    FlutterDesktopEngineRef engine);
+
+FLUTTER_EXPORT void FlutterDesktopEngineReloadPlatformBrightness(
+    FlutterDesktopEngineRef engine);
+
+// Returns the plugin registrar handle for the plugin with the given name.
+//
+// The name must be unique across the application.
+FLUTTER_EXPORT FlutterDesktopPluginRegistrarRef
+FlutterDesktopEngineGetPluginRegistrar(FlutterDesktopEngineRef engine,
+                                       const char* plugin_name);
+
+// Returns the messenger associated with the engine.
+FLUTTER_EXPORT FlutterDesktopMessengerRef
+FlutterDesktopEngineGetMessenger(FlutterDesktopEngineRef engine);
+
+// Returns the texture registrar associated with the engine.
+FLUTTER_EXPORT FlutterDesktopTextureRegistrarRef
+FlutterDesktopEngineGetTextureRegistrar(
+    FlutterDesktopTextureRegistrarRef texture_registrar);
+
+// ========== View ==========
+
+#ifdef WINUWP
+// Return backing CoreApplicationView for manipulation of CoreWindow and
+// CoreTitleBar in host application.
+FLUTTER_EXPORT ABI::Windows::ApplicationModel::Core::CoreApplicationView*
+FlutterDesktopViewGetCoreApplicationView(FlutterDesktopViewRef view);
+#else
+// Return backing HWND for manipulation in host application.
+FLUTTER_EXPORT HWND FlutterDesktopViewGetHWND(FlutterDesktopViewRef view);
+#endif
+
+// ========== Plugin Registrar (extensions) ==========
+// These are Windows-specific extensions to flutter_plugin_registrar.h
+
+// Function pointer type for top level WindowProc delegate registration.
+//
+// The user data will be whatever was passed to
+// FlutterDesktopRegisterTopLevelWindowProcHandler.
+//
+// Implementations should populate |result| and return true if the WindowProc
+// was handled and further handling should stop. |result| is ignored if the
+// function returns false.
+typedef bool (*FlutterDesktopWindowProcCallback)(HWND /* hwnd */,
+                                                 UINT /* uMsg */,
+                                                 WPARAM /*wParam*/,
+                                                 LPARAM /* lParam*/,
+                                                 void* /* user data */,
+                                                 LRESULT* result);
+
+// Returns the view associated with this registrar's engine instance.
+FLUTTER_EXPORT FlutterDesktopViewRef FlutterDesktopPluginRegistrarGetView(
+    FlutterDesktopPluginRegistrarRef registrar);
+
+#ifndef WINUWP
+FLUTTER_EXPORT void
+FlutterDesktopPluginRegistrarRegisterTopLevelWindowProcDelegate(
+    FlutterDesktopPluginRegistrarRef registrar,
+    FlutterDesktopWindowProcCallback delegate,
+    void* user_data);
+
+FLUTTER_EXPORT void
+FlutterDesktopPluginRegistrarUnregisterTopLevelWindowProcDelegate(
+    FlutterDesktopPluginRegistrarRef registrar,
+    FlutterDesktopWindowProcCallback delegate);
+#endif
+
+// ========== Freestanding Utilities ==========
+
+// Gets the DPI for a given |hwnd|, depending on the supported APIs per
+// windows version and DPI awareness mode. If nullptr is passed, returns the DPI
+// of the primary monitor.
+//
+// This uses the same logic and fallback for older Windows versions that is used
+// internally by Flutter to determine the DPI to use for displaying Flutter
+// content, so should be used by any code (e.g., in plugins) that translates
+// between Windows and Dart sizes/offsets.
+FLUTTER_EXPORT UINT FlutterDesktopGetDpiForHWND(HWND hwnd);
+
+// Gets the DPI for a given |monitor|. If the API is not available, a default
+// DPI of 96 is returned.
+//
+// See FlutterDesktopGetDpiForHWND for more information.
+FLUTTER_EXPORT UINT FlutterDesktopGetDpiForMonitor(HMONITOR monitor);
+
+// Reopens stdout and stderr and resysncs the standard library output streams.
+// Should be called if output is being directed somewhere in the runner process
+// (e.g., after an AllocConsole call).
+FLUTTER_EXPORT void FlutterDesktopResyncOutputStreams();
+
+#if defined(__cplusplus)
+}  // extern "C"
+#endif
+
+#endif  // FLUTTER_SHELL_PLATFORM_WINDOWS_PUBLIC_FLUTTER_WINDOWS_H_

winuwp/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,11 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+
+void RegisterPlugins(flutter::PluginRegistry* registry) {
+}

winuwp/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_

winuwp/flutter/generated_plugins.cmake

@@ -0,0 +1,15 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_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)

winuwp/project_version

@@ -0,0 +1 @@
+0

winuwp/runner_uwp/CMakeLists.txt

@@ -0,0 +1,141 @@
+cmake_minimum_required (VERSION 3.8)
+set(CMAKE_SYSTEM_NAME WindowsStore)
+set(CMAKE_SYSTEM_VERSION 10.0)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED YES)
+
+include(CMakePrintHelpers)
+
+project (runner LANGUAGES CXX)
+
+# UWP tile and icon assets.
+set(ASSET_FILES ${ASSET_FILES}
+	Assets/LargeTile.scale-100.png
+	Assets/LargeTile.scale-125.png
+	Assets/LargeTile.scale-150.png
+	Assets/LargeTile.scale-200.png
+	Assets/LargeTile.scale-400.png
+	Assets/LockScreenLogo.scale-200.png
+	Assets/SmallTile.scale-100.png
+	Assets/SmallTile.scale-125.png
+	Assets/SmallTile.scale-150.png
+	Assets/SmallTile.scale-200.png
+	Assets/SmallTile.scale-400.png
+	Assets/SplashScreen.scale-100.png
+	Assets/SplashScreen.scale-125.png
+	Assets/SplashScreen.scale-150.png
+	Assets/SplashScreen.scale-200.png
+	Assets/SplashScreen.scale-400.png
+	Assets/Square44x44Logo.altform-unplated_targetsize-16.png
+	Assets/Square44x44Logo.altform-unplated_targetsize-32.png
+	Assets/Square44x44Logo.altform-unplated_targetsize-48.png
+	Assets/Square44x44Logo.altform-unplated_targetsize-256.png
+	Assets/Square44x44Logo.scale-100.png
+	Assets/Square44x44Logo.scale-125.png
+	Assets/Square44x44Logo.scale-150.png
+	Assets/Square44x44Logo.scale-200.png
+	Assets/Square44x44Logo.scale-400.png
+	Assets/Square44x44Logo.targetsize-16.png
+	Assets/Square44x44Logo.targetsize-24.png
+	Assets/Square44x44Logo.targetsize-24_altform-unplated.png
+	Assets/Square44x44Logo.targetsize-32.png
+	Assets/Square44x44Logo.targetsize-48.png
+	Assets/Square44x44Logo.targetsize-256.png
+	Assets/Square150x150Logo.scale-100.png
+	Assets/Square150x150Logo.scale-125.png
+	Assets/Square150x150Logo.scale-150.png
+	Assets/Square150x150Logo.scale-200.png
+	Assets/Square150x150Logo.scale-400.png
+	Assets/StoreLogo.png
+	Assets/StoreLogo.scale-100.png
+	Assets/StoreLogo.scale-125.png
+	Assets/StoreLogo.scale-150.png
+	Assets/StoreLogo.scale-200.png
+	Assets/StoreLogo.scale-400.png
+	Assets/Wide310x150Logo.scale-200.png
+	Assets/WideTile.scale-100.png
+	Assets/WideTile.scale-125.png
+	Assets/WideTile.scale-150.png
+	Assets/WideTile.scale-200.png
+	Assets/WideTile.scale-400.png
+)
+
+# Configure package manifest file.
+set(APP_MANIFEST_NAME Package.appxmanifest)
+set(APP_MANIFEST_TARGET_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/${APP_MANIFEST_NAME})
+set(SHORT_NAME ${BINARY_NAME})
+set(PACKAGE_GUID "086F9B60-CB52-4D0B-9B4E-AE891E7859D1")
+
+configure_file(
+	appxmanifest.in
+	${APP_MANIFEST_TARGET_LOCATION}
+	@ONLY)
+
+set(CONTENT_FILES ${APP_MANIFEST_TARGET_LOCATION})
+
+# Configure package content files.
+set_property(SOURCE ${CONTENT_FILES} PROPERTY VS_DEPLOYMENT_CONTENT 1)
+
+set(RESOURCE_FILES ${ASSET_FILES} ${CONTENT_FILES} Windows_TemporaryKey.pfx)
+set_property(SOURCE ${ASSET_FILES} PROPERTY VS_DEPLOYMENT_CONTENT 1)
+set_property(SOURCE ${ASSET_FILES} PROPERTY VS_DEPLOYMENT_LOCATION "Assets")
+
+set(STRING_FILES Resources.pri)
+set_property(SOURCE ${STRING_FILES} PROPERTY VS_TOOL_OVERRIDE "PRIResource")
+
+source_group("Resource Files" FILES ${RESOURCE_FILES} ${CONTENT_FILES} ${STRING_FILES})
+
+# Configure Flutter assets using tool generated install manifest
+foreach(ITEM ${INSTALL_MANIFEST_CONTENT})
+	get_filename_component(ITEM_REL ${CMAKE_BINARY_DIR} DIRECTORY)
+	file(RELATIVE_PATH RELPATH ${ITEM_REL} ${ITEM})
+
+	get_filename_component(RELPATH ${RELPATH} DIRECTORY)
+	get_filename_component(ITEMEXT ${ITEM} LAST_EXT)
+
+	if("${ITEMEXT}" STREQUAL ".dll" OR "${ITEMEXT}" STREQUAL ".pdb")
+		string(CONCAT RELPATH "")
+	elseif ("${ITEMEXT}" STREQUAL ".so")
+		file(RELATIVE_PATH RELPATH "${ITEM_REL}/winuwp" ${ITEM})
+		string(REGEX REPLACE "/" "\\\\" RELPATH ${RELPATH})
+		string(CONCAT RELPATH "Assets\\Data")
+	elseif("${ITEMEXT}" STREQUAL ".dat")
+		string(CONCAT RELPATH "Assets\\Data")
+	else()
+		string(REGEX REPLACE "/" "\\\\" RELPATH ${RELPATH})
+		string(CONCAT RELPATH "Assets\\Data\\" ${RELPATH})
+	endif()
+
+	cmake_print_variables(${RELPATH})
+
+	set_property(SOURCE ${ITEM} PROPERTY VS_DEPLOYMENT_CONTENT 1)
+	set_property(SOURCE ${ITEM} PROPERTY VS_DEPLOYMENT_LOCATION ${RELPATH})
+endforeach()
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable (${BINARY_NAME} WIN32
+	main.cpp
+	flutter_frameworkview.cpp
+	"${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+	${RESOURCE_FILES}
+	${INSTALL_MANIFEST_CONTENT}
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${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 WindowsApp 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)

winuwp/runner_uwp/CMakeSettings.json

@@ -0,0 +1,27 @@
+{
+	// See https://go.microsoft.com//fwlink//?linkid=834763 for more information about this file.
+	"configurations": [
+		{
+			"name": "Debug",
+			"generator": "Visual Studio 15 2017 Win64",
+			"configurationType": "Debug",
+			"inheritEnvironments": [ "msvc_x64_x64" ],
+			"buildRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\build\\${name}",
+			"installRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\install\\${name}",
+			"cmakeCommandArgs": "",
+			"buildCommandArgs": "",
+			"ctestCommandArgs": ""
+		},
+		{
+			"name": "Release",
+			"generator": "Visual Studio 15 2017 Win64",
+			"configurationType": "Release",
+			"inheritEnvironments": [ "msvc_x64_x64" ],
+			"buildRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\build\\${name}",
+			"installRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\install\\${name}",
+			"cmakeCommandArgs": "",
+			"buildCommandArgs": "",
+			"ctestCommandArgs": ""
+		}
+	]
+}

winuwp/runner_uwp/appxmanifest.in

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Package
+  xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
+  xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest"
+  xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
+  IgnorableNamespaces="uap mp">
+
+  <Identity Name="@PACKAGE_GUID@" Publisher="CN=CMake Test Cert" Version="1.1.0.0" />
+  <mp:PhoneIdentity PhoneProductId="@PACKAGE_GUID@" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
+
+  <Properties>
+    <DisplayName>@SHORT_NAME@</DisplayName>
+    <PublisherDisplayName>CMake Test Cert</PublisherDisplayName>
+    <Logo>Assets/StoreLogo.png</Logo>
+  </Properties>
+
+  <Dependencies>
+    <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.0.0" MaxVersionTested="10.0.65535.65535" />
+  </Dependencies>
+
+  <Resources>
+    <Resource Language="x-generate" />
+  </Resources>
+  <Applications>
+    <Application Id="App" Executable="$targetnametoken$.exe" EntryPoint="@SHORT_NAME@.App">
+      <uap:VisualElements
+        DisplayName="@SHORT_NAME@"
+        Description="@SHORT_NAME@"
+        BackgroundColor="#336699"
+        Square150x150Logo="Assets/Square150x150Logo.png"
+        Square44x44Logo="Assets/Square44x44Logo.png"
+        >
+        <uap:SplashScreen Image="Assets/SplashScreen.png" />
+      </uap:VisualElements>
+    </Application>
+  </Applications>
+   <Capabilities>
+    <Capability Name="internetClientServer"/>
+    <Capability Name="internetClient"/>
+    <Capability Name="privateNetworkClientServer"/>
+    <Capability Name="codeGeneration"/></Capabilities>
+</Package>

winuwp/runner_uwp/flutter_frameworkview.cpp

@@ -0,0 +1,155 @@
+#include "winrt/Windows.ApplicationModel.Core.h"
+#include "winrt/Windows.Foundation.h"
+#include "winrt/Windows.System.Profile.h"
+#include "winrt/Windows.System.Threading.h"
+#include "winrt/Windows.UI.Core.h"
+#include <winrt/Windows.Foundation.Collections.h>
+#include <winrt/Windows.Graphics.Display.h>
+#include <winrt/Windows.Storage.h>
+#include <winrt/Windows.UI.Popups.h>
+#include <winrt/Windows.UI.ViewManagement.Core.h>
+#include <winrt/Windows.UI.ViewManagement.h>
+
+#include <chrono>
+#include <memory>
+#include <thread>
+
+#include <flutter/flutter_view_controller.h>
+#include <flutter/flutter_windows.h>
+#include <flutter/generated_plugin_registrant.h>
+#include <flutter/plugin_registry.h>
+
+struct FlutterFrameworkView
+    : winrt::implements<
+          FlutterFrameworkView,
+          winrt::Windows::ApplicationModel::Core::IFrameworkView> {
+  // |winrt::Windows::ApplicationModel::Core::IFrameworkView|
+  void
+  Initialize(winrt::Windows::ApplicationModel::Core::CoreApplicationView const
+                 &applicationView) {
+
+    // Layout scaling must be disabled in the appinitialization phase in order
+    // to take effect correctly.
+    if (winrt::Windows::System::Profile::AnalyticsInfo::VersionInfo()
+            .DeviceFamily() == L"Windows.Xbox") {
+
+      bool result = winrt::Windows::UI::ViewManagement::ApplicationViewScaling::
+          TrySetDisableLayoutScaling(true);
+      if (!result) {
+        OutputDebugString(L"Couldn't disable layout scaling");
+      }
+    }
+
+    main_view_ = applicationView;
+    main_view_.Activated({this, &FlutterFrameworkView::OnActivated});
+  }
+
+  // |winrt::Windows::ApplicationModel::Core::IFrameworkView|
+  void Uninitialize() {
+    main_view_.Activated(nullptr);
+    main_view_ = nullptr;
+  }
+
+  // |winrt::Windows::ApplicationModel::Core::IFrameworkView|
+  void Load(winrt::hstring const &) {}
+
+  // |winrt::Windows::ApplicationModel::Core::IFrameworkView|
+  void Run() {
+    winrt::Windows::UI::Core::CoreWindow window =
+        winrt::Windows::UI::Core::CoreWindow::GetForCurrentThread();
+
+    winrt::Windows::UI::Core::CoreDispatcher dispatcher = window.Dispatcher();
+    dispatcher.ProcessEvents(
+        winrt::Windows::UI::Core::CoreProcessEventsOption::ProcessUntilQuit);
+  }
+
+  // |winrt::Windows::ApplicationModel::Core::IFrameworkView|
+  winrt::Windows::Foundation::IAsyncAction
+  SetWindow(winrt::Windows::UI::Core::CoreWindow const &window) {
+
+    // Capture reference to window.
+    window_ = window;
+
+    // Lay out the window's content within the region occupied by the
+    // CoreWindow.
+    auto appView = winrt::Windows::UI::ViewManagement::ApplicationView::
+        GetForCurrentView();
+
+    appView.SetDesiredBoundsMode(winrt::Windows::UI::ViewManagement::
+                                     ApplicationViewBoundsMode::UseCoreWindow);
+
+    // Configure folder paths.
+    try {
+      winrt::Windows::Storage::StorageFolder folder =
+          winrt::Windows::ApplicationModel::Package::Current()
+              .InstalledLocation();
+
+      winrt::Windows::Storage::StorageFolder assets =
+          co_await folder.GetFolderAsync(L"Assets");
+      winrt::Windows::Storage::StorageFolder data =
+          co_await assets.GetFolderAsync(L"data");
+      winrt::Windows::Storage::StorageFolder flutter_assets =
+          co_await data.GetFolderAsync(L"flutter_assets");
+      winrt::Windows::Storage::StorageFile icu_data =
+          co_await data.GetFileAsync(L"icudtl.dat");
+
+#if NDEBUG
+      winrt::Windows::Storage::StorageFile aot_data =
+          co_await data.GetFileAsync(L"app.so");
+#endif
+
+      std::wstring flutter_assets_path{flutter_assets.Path()};
+      std::wstring icu_data_path{icu_data.Path()};
+      std::wstring aot_data_path {
+#if NDEBUG
+        aot_data.Path()
+#endif
+      };
+
+      flutter::DartProject project(flutter_assets_path, icu_data_path,
+                                   aot_data_path);
+
+      // Construct viewcontroller using the Window and project
+            flutter_view_controller_ = std::make_unique<flutter::FlutterViewController>(
+                static_cast<ABI::Windows::ApplicationModel::Core::CoreApplicationView*>(winrt::get_abi(main_view_)),
+                static_cast<ABI::Windows::ApplicationModel::Activation::IActivatedEventArgs*>(winrt::get_abi(launch_args_)),
+                project);
+
+      // If plugins present, register them.
+      RegisterPlugins(flutter_view_controller_.get()->engine());
+    } catch (winrt::hresult_error &err) {
+      winrt::Windows::UI::Popups::MessageDialog md =
+          winrt::Windows::UI::Popups::MessageDialog::MessageDialog(
+              L"There was a problem starting the engine: " + err.message());
+      md.ShowAsync();
+    }
+  }
+
+  void OnActivated(
+      winrt::Windows::ApplicationModel::Core::CoreApplicationView const
+          &applicationView,
+      winrt::Windows::ApplicationModel::Activation::IActivatedEventArgs const
+          &args) {
+    // Activate the application window, making it visible and enabling it to
+    // receive events.
+    applicationView.CoreWindow().Activate();
+
+    // Capture launch args to later pass to Flutter.
+    launch_args_ = args;
+  }
+
+  // Current CoreApplicationView.
+  winrt::Windows::ApplicationModel::Core::CoreApplicationView main_view_{
+      nullptr};
+
+  // Current CoreWindow.
+  winrt::Windows::UI::Core::CoreWindow window_{nullptr};
+
+  // Current FlutterViewController.
+  std::unique_ptr<flutter::FlutterViewController> flutter_view_controller_{
+      nullptr};
+
+  // Launch args that were passed in on activation.
+  winrt::Windows::ApplicationModel::Activation::IActivatedEventArgs
+      launch_args_;
+};

winuwp/runner_uwp/main.cpp

@@ -0,0 +1,30 @@
+
+#include <windows.h>
+
+#include "winrt/Windows.ApplicationModel.Core.h"
+#include "winrt/Windows.Foundation.h"
+#include <winrt/Windows.Foundation.Collections.h>
+#include <winrt/Windows.UI.ViewManagement.Core.h>
+#include <winrt/Windows.UI.ViewManagement.h>
+
+#include <memory>
+
+#include "flutter_frameworkview.cpp"
+
+struct App
+    : winrt::implements<
+          App, winrt::Windows::ApplicationModel::Core::IFrameworkViewSource> {
+  App() { view_ = winrt::make_self<FlutterFrameworkView>(); }
+
+  // |winrt::Windows::ApplicationModel::Core::IFrameworkViewSource|
+  winrt::Windows::ApplicationModel::Core::IFrameworkView CreateView() {
+    return view_.as<winrt::Windows::ApplicationModel::Core::IFrameworkView>();
+  }
+
+  winrt::com_ptr<FlutterFrameworkView> view_;
+};
+
+int __stdcall wWinMain(HINSTANCE, HINSTANCE, PWSTR, int) {
+  winrt::Windows::ApplicationModel::Core::CoreApplication::Run(
+      winrt::make<App>());
+}