Update Windows flutter create template (#82598)

packages/flutter_tools/templates/app/winuwp.tmpl/CMakeLists.txt

+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(runner LANGUAGES CXX)
+
+cmake_policy(SET CMP0079 NEW)
+
+set(BINARY_NAME "app")
+
+# Configure build 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()
+
+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.
+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
+add_subdirectory("runner_uwp")
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)

packages/flutter_tools/templates/app/winuwp.tmpl/flutter/CMakeLists.txt

+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}
+)

packages/flutter_tools/templates/app/winuwp.tmpl/runner_uwp/CMakeLists.txt.tmpl

+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 "{{windowsIdentifier}}")
+
+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 ${RELPATH})
+endforeach()
+
+add_executable (${BINARY_NAME} WIN32
+	main.cpp
+	flutter_frameworkview.cpp
+	"${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+	${RESOURCE_FILES}
+	${INSTALL_MANIFEST_CONTENT}
+)
+apply_standard_settings(${BINARY_NAME})
+target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+target_link_libraries(${BINARY_NAME} PRIVATE WindowsApp flutter flutter_wrapper_app)
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+add_dependencies(${BINARY_NAME} flutter_assemble)

packages/flutter_tools/templates/app/winuwp.tmpl/runner_uwp/CMakeSettings.json

+{
+	// 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": ""
+		}
+	]
+}

packages/flutter_tools/templates/app/winuwp.tmpl/runner_uwp/appxmanifest.in

+<?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>

packages/flutter_tools/templates/app/winuwp.tmpl/runner_uwp/flutter_frameworkview.cpp

+#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_;
+};

packages/flutter_tools/templates/app/winuwp.tmpl/runner_uwp/main.cpp

+
+#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>());
+}

packages/flutter_tools/templates/template_manifest.json

@@ -138,7 +138,64 @@
         "templates/app/windows.tmpl/runner/utils.h",
         "templates/app/windows.tmpl/runner/win32_window.cpp",
         "templates/app/windows.tmpl/runner/win32_window.h",
+        "templates/app/winuwp.tmpl/CMakeLists.txt",
+        "templates/app/winuwp.tmpl/flutter/CMakeLists.txt",
         "templates/app/winuwp.tmpl/project_version",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/LargeTile.scale-100.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/LargeTile.scale-125.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/LargeTile.scale-150.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/LargeTile.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/LargeTile.scale-400.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/LockScreenLogo.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SmallTile.scale-100.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SmallTile.scale-125.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SmallTile.scale-150.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SmallTile.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SmallTile.scale-400.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SplashScreen.scale-100.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SplashScreen.scale-125.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SplashScreen.scale-150.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SplashScreen.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/SplashScreen.scale-400.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square150x150Logo.scale-100.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square150x150Logo.scale-125.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square150x150Logo.scale-150.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square150x150Logo.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square150x150Logo.scale-400.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.altform-unplated_targetsize-16.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.altform-unplated_targetsize-256.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.altform-unplated_targetsize-32.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.altform-unplated_targetsize-48.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.scale-100.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.scale-125.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.scale-150.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.scale-400.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.targetsize-16.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.targetsize-24.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.targetsize-24_altform-unplated.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.targetsize-256.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.targetsize-32.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Square44x44Logo.targetsize-48.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/StoreLogo.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/StoreLogo.scale-100.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/StoreLogo.scale-125.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/StoreLogo.scale-150.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/StoreLogo.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/StoreLogo.scale-400.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/Wide310x150Logo.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/WideTile.scale-100.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/WideTile.scale-125.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/WideTile.scale-150.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/WideTile.scale-200.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/Assets/WideTile.scale-400.png.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/CMakeLists.txt.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/CMakeSettings.json",
+        "templates/app/winuwp.tmpl/runner_uwp/Windows_TemporaryKey.pfx.img.tmpl",
+        "templates/app/winuwp.tmpl/runner_uwp/appxmanifest.in",
+        "templates/app/winuwp.tmpl/runner_uwp/flutter_frameworkview.cpp",
+        "templates/app/winuwp.tmpl/runner_uwp/main.cpp",
+        "templates/app/winuwp.tmpl/runner_uwp/resources.pri.img.tmpl",
         "templates/cocoapods/Podfile-ios-objc",
         "templates/cocoapods/Podfile-ios-swift",
         "templates/cocoapods/Podfile-macos",