我希望允许用户将照片共享到我的渐进式Web应用程序中。

我已经按照this教程实现了，但是我的pwa仍然不作为共享选项可见。

我使用的测试设备是android，我相信我的PWA符合所有these条件，因为我可以将其成功下载到屏幕上。

应用程序本身以及所有其他功能都可以在我将其下载到屏幕上时正常工作，但仍然无法将其显示为共享选项。

manifest.json

{
    "name" : "appname","short_name": "shortname","theme_color": "#333333","background_color": "#333333","description": "app description","start_url": "https://appHomeUrl.co","display": "standalone","icons": [
      {
        "src": "./assets/icons-192.png","type": "image/png","sizes": "192x192"
      },{
        "src": "./assets/icons-512.png","sizes": "512x512"
      }
    ],"share_target": {
      "action": "/photos/dosomething/1","method": "POST","enctype": "multipart/form-data","params": {
        "title": "name","text": "description","url": "link","files": [
          {
            "name": "myImage","accept": ["image/jpeg","image/png"]
          }
        ]
      }
    }
}