Back on his phone, Kai watched as the tile updated: "Park potluck — success." The .xap had been installed on three more devices that week, and a small patch had pushed itself into the app that made the background color warmer and the sync timer friendlier.
public static string AccessToken get; set; facebook windows phone xap new
Marcus felt a rush of adrenaline. In the world of Windows Phone, a .xap file was the magic key—the application package format used for Windows Phone 7 and 8. Back on his phone, Kai watched as the
