能够实现QQ五个功能的uwp技术

拍照、拍视频——使用系统照相机

 https://docs.microsoft.com/en-us/windows/uwp/audio-video-camera/capture-photos-and-video-with-cameracaptureui

 

 

选择联系人

https://docs.microsoft.com/en-us/windows/uwp/contacts-and-calendar/selecting-contacts

 

 

访问本地文件——访问特定文件夹，照片音乐视频文档等

https://docs.microsoft.com/en-us/windows/uwp/files/quickstart-managing-folders-in-the-music-pictures-and-videos-libraries

 

 

获取当前位置

 https://docs.microsoft.com/en-us/windows/uwp/maps-and-location/get-location

 

 

后台运行——当QQ在后台运行时，仍提供较少的内存使QQ能够接收信息，使其能够无限期地在后台运行

 https://docs.microsoft.com/en-us/windows/uwp/launch-resume/run-in-the-background-indefinetly