Special thanks to Daniel Egan. This presentation provides a deeper dive into Windows Phone 7 for developers. Topics cover how you navigate in your applicaton, how to access Web Services, use JSON to move data, and how to push notifications.

1. Windows Phone 7Unleashed Session II

2. Session 2 Agenda Navigation Fragment Navigation Web Services JsonDeserialzation Extras Menu Push Notifications Push Notifications Helper Library Shell Tile Scheduler Cloud Phone SDK Bing Maps

3. Navigation

4. Phone Application Frame Frame Contains Page Control and other elements Page fills the entire content region of the frame and contains the content

5. Phone Application Page A page fills the entire content region of the frame. It includes the following characteristics: Optionally surfaces its own application bar There are three main ways to navigate between pages in your app: Using the PhoneApplicationPagevirtual methods for handling the result of navigation. HyperlinkButton- it provides NavigateUriproperty which can be used to navigate to a page Uri. NavigationService- it provides methods, properties, and events to support navigation within a wp7 application. Note: The PhoneApplicationPage class supports OnNavigatedTo, OnNavigatedFrom and OnNavigatingFrom virtual methods for handling the result of navigation:

9. OnNavigatedTo override

10. Fragment Navigation

11. AppBarDemo

12. Name Title Microsoft Corporation Connecting to Web Services

13. Classic Development Forward Looking Web + Services Application + Services Application – Oriented around one device (1 Screen) Oriented around multiple devices (x Screens) Shifting Development Strategies

14. Networking for Windows Phone Support for networking features: WCF HttpWebRequest WebClient No cross-domain policy file required ODATA Not Supported Sockets Custom WCF Bindings (no duplex) WCF RIA Services NTLM authentication

15. Simple HTTP Request 12 WebClient client = newWebClient(); publicSimpleWebClient() { InitializeComponent(); client.DownloadProgressChanged += newDownloadProgressChangedEventHandler(client_DownloadProgressChanged); client.DownloadStringCompleted += newDownloadStringCompletedEventHandler(client_DownloadStringCompleted); } privatevoid button1_Click(object sender, RoutedEventArgs e) { client.DownloadStringAsync( newUri("http://localhost/ServicesApplication/whatever.xml"), "sample rss"); } voidclient_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e) { if (e.UserStateasstring == "sample rss") { this.progressBar1.Value = e.ProgressPercentage; } } voidclient_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e) { this.textBlock1.Text = e.Result; }

16. WCF ASMX Services 13

17. Restful Web Services Use WCF Restful Services On Premise As a Azure WebRole Data On premise In Cloud Retrieve Lightweight rest services XML JSON 14

18. Using ODATA From WCF From SQL Azure From publishers – http://odata.org Odata Client Library for WP7 15

19. You Decide Simple Test Case : Downloaded 8 data records Each Record had just four fields Measured bytes to transfer: Odata version from WCF Data Services 8.5k ASMX SOAP + Dataset - 3k REST + XML - 1.2k REST + JSON – 639bytes 16

20. The Extras Menu Add an xml file to project 17

21. The Extras Menu Name it Extras.xml 18

22. The Extras Menu Add the following xml 19

24. Using Json(Data Contract Serializer)

25. Adding your app to the extras menuDemo

26. Push Notifications

27. Push Notification Service Your Web Service Custom Web Service Windows Phone Notification Service Existing Web Services Microsoft Services Microsoft.Phone.Notification Push client service Built-in support for efficient, battery-aware mobile push notifications Managed APIs for notification-driven interaction with existing Web 2.0 sites

28. PUSH NOTIFICATIONS: DATA FLOW Push client Tile Toast Open push channel Return URI Data to toast Data to tile Data to App App Send URI to server Send push data to client Push service Your service Event Send push data to URI

29. Push Notification Service Seattle, WA: Sunny and 85 degrees

30. Shell Tile Scheduler 25

31. Shell Tile Scheduler 26

33. ScheduleTileServiceDemo

34. © 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.