The post was selected because it is a common problem that developers face when using Background Tasks on Windows Phone.
The discussion starts with the poster raising an issue on a PeriodicTask that was running at about every 60 minutes, instead of the expected 30 minutes interval. The discussion covers possible conditions that may affect how background tasks are executed and when.
The mechanism was being used to implement “Geofencing” – notifying the user when they approach a specified co-ordinate. An alternative approach was suggested, and it was noted that the upcoming Windows Phone SDK will offer even better support for Geofencing.
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