Where are the Windows Phone APIs in Windows XAML Universal Portable Library?
问题 I have a library for Windows Phone 8.0 and Windows 8 and thought to make the same to support the Windows Phone 8.1 and Windows 8.1 Universal applications. But soon as I tried to port my code in a Universal XAML library or even when trying some APIs in a Windows Phone 8.1 Universal Application that is created using the template I've seen that are missing, for example, using Microsoft.Phone.Info; using Microsoft.Phone.Net.NetworkInformation; Or I was using the PhoneApplicationFrame class,