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Windows版编译注意事项

1、Visual Studio版本

编译环境需要C++ 20，请注意Visual Studio版本(必须使用2022及以上) ，cmake需要3.23及以上，请到cmake官网下载安装包并替换Visual Studio中的cmake(3.22)

2、nuget配置

编译时需要nuget.exe，请前往 https://www.nuget.org/downloads 下载并配置好环境变量。

3、super_native_extensions_plugin编译错误

编译可能会出现super_native_extensions_plugin编译错误，可能是依赖没有下载下拉,请配置代理,或者多运行几次( 在我的电脑上就需要多运行几次就可以了)。

4、media_kit依赖无法下载成功

运行时依赖很可能拉取不下来，主要是media_kit的依赖

Launching lib\main.dart on Windows in debug mode...
CMake Error at flutter/ephemeral/.plugin_symlinks/media_kit_libs_windows_video/windows/CMakeLists.txt:40 (message):
  C:/Users/moli/Flutter/Note/note/build/windows/mpv-dev-x86_64-20230924-git-652a1dd.7z
  Integrity check failed, please try to re-build project again.
Call Stack (most recent call first):
flutter/ephemeral/.plugin_symlinks/media_kit_libs_windows_video/windows/CMakeLists.txt:74 (download_and_verify)

Exception: Unable to generate build files

（上面代码是mpv-dev-x86_64-20230924-git-652a1dd.7z拉取不下来）请前往https://github.com/media-kit/libmpv-win32-video-build/releases/ 下载对应的文件并拷贝覆盖到项目目录的build/windows/x64(对应架构对号入座)下

media_kit依赖https://github.com/alexmercerind/flutter-windows-ANGLE-OpenGL-ES 所以还会报错

Launching lib\main.dart on Windows in debug mode...
main.dart:1
CMake Error at flutter/ephemeral/.plugin_symlinks/media_kit_libs_windows_video/windows/CMakeLists.txt:40 (message):
  C:/Users/moli/Flutter/Note/note/build/windows/ANGLE.7z Integrity check
  failed, please try to re-build project again.
Call Stack (most recent call first):
flutter/ephemeral/.plugin_symlinks/media_kit_libs_windows_video/windows/CMakeLists.txt:110 (download_and_verify)

Exception: Unable to generate build files

（上面代码是ANGLE.7z拉取不下来）请前往https://github.com/alexmercerind/flutter-windows-ANGLE-OpenGL-ES/releases/download/v1.0.0/ANGLE.7z 下载对应的文件并拷贝覆盖到项目目录的build/windows/x64(对应架构对号入座)下

还可能出现错误:

Error waiting for a debug connection: The log reader stopped unexpectedly, or never started.
Error launching application on Windows.

一般是缓存的问题，清理一下:flutter clean，再拉取一下依赖一般就可以了，如果还不行请尝试删除windows目录再创建flutter create . 重新添加。

注意以下文件夹下的子文件夹必须为链接 windows/flutter/ephemeral/.plugin_symlinks/ linux/flutter/ephemeral/.plugin_symlinks/

5、多窗口

为了使第二个窗口也能使用插件需要修改windows/runner/flutter_window.cpp

头文件需要拷贝windows/flutter/generated_plugin_registrant.cc中的到windows/runner/flutter_window.cpp

修改windows/runner/flutter_window.cpp中的OnCreate() 类似

  RegisterPlugins(flutter_controller_->engine());
  ///  https://github.com/MixinNetwork/flutter-plugins/issues/58
  /// Multi window registration plugin start
  ///不能在这里注册自己即DesktopMultiWindowPlugin
    DesktopMultiWindowSetWindowCreatedCallback([](void *controller) {
        auto *flutter_view_controller =
                reinterpret_cast<flutter::FlutterViewController *>(controller);
        auto *registry = flutter_view_controller->engine();
        ConnectivityPlusWindowsPluginRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("ConnectivityPlusWindowsPlugin"));
        FileSelectorWindowsRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("FileSelectorWindows"));
        GalPluginCApiRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("GalPluginCApi"));
        IrondashEngineContextPluginCApiRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("IrondashEngineContextPluginCApi"));
        MediaKitLibsWindowsVideoPluginCApiRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("MediaKitLibsWindowsVideoPluginCApi"));
        MediaKitVideoPluginCApiRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("MediaKitVideoPluginCApi"));
        NbUtilsPluginRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("NbUtilsPlugin"));
        PermissionHandlerWindowsPluginRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("PermissionHandlerWindowsPlugin"));
        ScreenBrightnessWindowsPluginRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("ScreenBrightnessWindowsPlugin"));
        ScreenRetrieverPluginRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("ScreenRetrieverPlugin"));
        SuperNativeExtensionsPluginCApiRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("SuperNativeExtensionsPluginCApi"));
        UrlLauncherWindowsRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("UrlLauncherWindows"));
        WindowManagerPluginRegisterWithRegistrar(
                registry->GetRegistrarForPlugin("WindowManagerPlugin"));
    });

  /// Multi window registration plugin end

  SetChildContent(flutter_controller_->view()->GetNativeWindow());