This document discusses push notifications, live tiles, and background agents for Windows Phone 7. It provides an overview of tiles, toasts, and raw notifications. It also covers registering for push notifications, handling notifications, pinning live tiles, and using periodic and resource intensive background agents within the limitations imposed by the Windows Phone platform. Code samples are provided to demonstrate implementing these features.

2. Push notifications,
live tiles and
background
agents
for Windows
Phone 7
Geert van
der Cruijsen
Consultant – Avanade
@geertvdc
http://vdcruijsen.net

4. Tile
Toast
Raw

5. Request push URI
Push client/server
negotiation
Register URI at
App service
Push message
Push message

7. Weather
Games
Sports
Messaging
News
Utilities

8. Ask for user permission
Register Phone with Push Service
Register Event Handlers
Handle optional in app notifications

9. Demo

10. Register Phone
Update Phone URI
Send Notifications
Handle return codes

11. Demo

12. Pinning tiles
ShellTileUpdate
private void CreateTileSchedule()
{
schedule = new ShellTileSchedule();
schedule.Interval = UpdateInterval.EveryDay;
schedule.MaxUpdateCount = 7;
schedule.Recurrence = UpdateRecurrence.Interval;
schedule.RemoteImageUri = new Uri(@"http://www.server.com/image.png");
schedule.Start();
}

13. Demo

14. Tile notifications
<wp:Notification xmlns:wp= WPNotification >
<wp:TileId= /SessionPage.xaml?id=0 >
<wp:BackgroundImage> </wp:BackgroundImage>
<wp:Count> </wp:Count>
<wp:Title> </wp:Title>
<wp:BackBackgroundImage> </wp:BackBackgroundImage>
<wp:BackContent> </wp:BackContent>
<wp:BackTitle> </wp:BackTitle>
</wp:Tile>
</wp:Notification>

15. Toast notifications
<wp:Notification xmlns:wp= WPNotification >
<wp:Toast>
<wp:Text1> </wp:Text1>
<wp:Text2> </wp:Text2>
<wp:Param> </wp:Param>
</wp:Toast>
</wp:Notification>

16. User Opt-in
Check device capabilities
<Capability Name= ID_CAP_PUSH_NOTIFICATION />
<Capability Name= ID_CAP_IDENTITY_DEVICE />
Encrypt channel URI
Tiles max 80kb and 15 seconds

17. Power management
MPNS http response codes

18. PeriodicTask
Recurring task on regular interval
Max every 30 minutes
Maximum of 6 background agents per device
ResourceIntensiveTask
Single task that can run for a longer time when specific requirements are met

19. PeriodicTask
Unsupported APIs
UI
Camera
Memory restrictions
6 MB / 15 MB
Reschedule every 2 weeks
Unscheduled after 2 consecutive
crashes

20. PeriodicTask Typical APIs
GeoCoordinateWatcher
HttpWebRequest
Mutex
ShellToast
ShellTile

21. ResourceIntensiveTask
Heavy requirements
Max duration of 10 minutes
External power required
Non cellular internet connection required
Battery power needs to be 90% or higher
Screen needs to be locked

22. Demo

23. Push Notification Helper Library
Azure toolkit
Windows Phone App hub

24. Start building Windows Phone apps!
Include Push notifications and/or live
tiles!

25. Q&A