As a WPDev, you might want to provide your users an option to change the Lock Screen of their Windows Phone 8 device. It can be from a locally stored images within the app XAP, a RSS feed, Camera Roll and/or periodically from a push notification.
In this blog post, we will learn how to integrate the functionality in your app to simply load and set the lock screen background from a set of images available within the app xap.