Lock screen for Windows Phone 8
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Your app can become a provider for the background image of the phone, and also for the notifications area, which includes the app icon, app count, and app text.
A Windows Phone user can choose to use an app for its lock screen background image provider. For more info about how to integrate your app with this Windows Phone 8 feature, see Lock screen background for Windows Phone 8.
A user can choose to customize the notifications area of the lock screen using your app. The info that appears in the notifications area is based on your app's default Tile. For more info about how to integrate your app with this Windows Phone 8 feature, see Lock screen notifications for Windows Phone 8.