Can live tiles be updated by taking values from the app without firing it in WP7?

I have live tiles in my app and is not a web service app. Live tiles are updated on exiting of the app. So if the user does not open the app for a day it does not get updated.

Can I update without having to go to a server?? Can Tiles take the values from the app by firing the app by itself or can live tiles take values from app with out having the user opening it on a daily basis?

Alfah

Solution

If you register a PeriodicTask and you will have 25 seconds to execute every 30 minutes, during which time you can update your live tiles.

See Background Agents Overview for Windows Phone for more information.

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