PROSAGA码农传奇-webrtc-使用WebRTC getUserMedia和UWP WebView的问题

<div class =“post-text”itemprop =“text”>
  <P>
    你需要允许
    <a href =“https://docs.microsoft.com/en-us/uwp/api/Windows.UI.Xaml.Controls.WebView#handling-special-cases-for-webview-content”rel =“nofollow noreferrer “>
       <code>
        PermissionRequest
      </code>
    </A>
     在
     <code>
      PermissionRequested
    </code>
     事件处理程序
  </p>
  <BLOCKQUOTE>
    <P>
      除了处理PermissionRequested事件的应用程序之外，用户还必须为请求位置或媒体功能的应用程序批准标准系统对话框，以便启用这些功能
    </p>
  </BLOCKQUOTE>
   <pre>
    <code>
      MyWebView.PermissionRequested += MyWebView_PermissionRequested;

private void MyWebView_PermissionRequested(WebView sender, WebViewPermissionRequestedEventArgs args)
{
    if (args.PermissionRequest.PermissionType == WebViewPermissionType.Media)
    {
        args.PermissionRequest.Allow();
    }
}

</code>
  </pre>
  <P>
    的<strong>
      更新
    </强>
    
对于WinJS应用程序，您可以参考这个
    <a href="https://docs.microsoft.com/en-us/microsoft-edge/hosting/webview#mswebviewpermissionrequested" rel="nofollow noreferrer">
      文献
    </A>
    。
  </p>
   <pre>
    <code>
      document.getElementById('live-preview').addEventListener("MSWebViewPermissionRequested", permissionRequestedEventArgs => {
    const permissionRequest = permissionRequestedEventArgs.permissionRequest;
    switch (permissionRequest.type) {
        case "geolocation":
        case "media":
            permissionRequest.allow();
            break;
        case "pointerlock":
        case "webnotifications":
        case "screen":
        case "immersiveview":
        case "unlimitedIndexedDBQuota":
        default:
            permissionRequest.deny();
            break;
    }
});

</code>
  </pre>
</DIV>