Talk given on 11/16/2011 at the San-Francisco .net bay usergroup by Justin Angel. Download available @ http://JustinAngel.net/storage/WP7Stats.pptx

1. WP7 Statistics & Frameworks
By @JustinAngel, baynetug.org

4. What is this talk about?
 Windows Phone 7 Marketplace Stats
 Prerequisites: WP7 & Silverlight
 Research Methodology
 Interesting Statistics
 Quick Overview
 Top frameworks
 Based on @
JustinAngel.net/WindowsPhone7MarketplaceStatistics

5. Research Methodology
 Downloaded WP7 Marketplace on 8/15
 Marketplace APIs described publicly
 Unzipped the downloaded XAPs
 Asked some questions
 Got answers

10. Stat #0: How many apps?
 Found 24,505 apps

11. Stat #1: Obfuscation
 14.5% of apps are obfuscated

12. Stat #2: Silverlight, XNA

13. Stat #3: C#, VB.Net or F#

14. Stat #4: Cloned apps

15. Stat #4: Cloned apps

16. Stat #4: Cloned Apps
 Common issue in all application stores
 There are reasons to ship cloned apps
 Lite / Full / Trial / Free versions
 Books / Magazines
 DIY Apps
 etc

17. Stat #5: All Publishers
percentage

18. Stat #5: Top Publishers
percentage

19. Stat #6: Privileges

20. Stat #7: Frameworks
 What are real devs using in real apps?
 Adoption is a good indicator of
quality, applicability & usability.
 Cut the FUD on frameworks.
 25 Lightening overviews.
 +30 bullet points.

21. Fx #1: WP7 Controls SDK
 Microsoft.Phone.Controls.dll is used
14,848 apps.
 Contains Pivot and Panorama controls.

22. Fx #2: Silverlight Toolkit
 Microsoft’s Silverlight Toolkit for
Windows Phone 7 is used by 11,169
apps.
 AutoCompleteBox  ListPicker  Transitions
 ContextMenu  LockablePivot  TiltEffect
 DatePicker  LoopingSelector  TimePicker
 ExpanderView  LongListSelector  ToggleSwitch
 GestureService  MultiselectList  WrapPanel
 HubTile  PhoneTextBox  Performance-
ProgressBar

23. Fx #2: Silverlight Toolkit

24. Fx #3: Blend Behaviours
 Microsoft Expression Blend Behaviours,
Triggers & Actions are used by 6,010 apps.
 Great for designers working with XAML.
 “XAML Extensions methods”.
 Added on other UI elements.

25. Fx #4: Microsoft Ads
 Microsoft’s Advertising ADK for
Windows Phone is used by 5,760
apps.
 Monetize on apps using pubCenter.
 Best of breed Ads WP7 UX, API,
support and documentation.

26. Fx #5: Bing Maps WP7
 Microsoft’s Bing Maps SDK for
Windows Phone 7 is used by 2,235
apps.
 Great UX, great API, great docs.
 Requires Bing Maps key.

27. Fx #6: LazyListBox
ItemTemplate LoadedItemTemplate
 Mirosoft’s Peter Torr LazyListbox is
used by 1,364 apps.
 WP7 NoDo had terrible ListBox
performance.
 LazyListBox shows ItemTemplate while
LoadedItemTemplate is loading.

28. Fx #7: Html Agility Pack
 Simon Mourier’s HTML Agility Pack is
used by 1,331 apps.
 Allows to scrape, scan and fix HTML
pages with XPath and Linq queries.
 Handles malformed HTML.
 Generates HTML from DOM tree.

29. Fx #8: MVVM Light Toolkit
 Laurent Bugnion’s MVVM Light Toolkit
is used by 1,320 apps.
 Very basic toolkit supporting MVVM.
 Messenger – Loosely coupled event
bus.
 EventToCommand – Blend Behaviour
that fires ICommands on events.
 RelayCommand – Simple ICommand.

30. Fx #9: Flurry Analytics
 Flurry Analytics for Windows Phone 7
is used by 1,283 apps.
 Requires Flurry account.
 Really big with Android and iPhone
apps analytics. Organizations with
existing mobile apps love Flurry.

31. Fx #10: JSON.net
 James Newton
JSON.net is used
by 1,082 apps.
 Linq to JSON.
 JSON Serializer
and JSON Deserializer.
 WCF JSON serializer is incredibly slow
and is considered a worst practice.

32. Fx #11: Coding 4fun tools
 Microsoft’s Clint Rutkas's Coding4Fun
Tools is used by 800 apps.
 About Prompt  Progress Overlay
 Color Hexagon  Round Button
 Color Picker  Round Toggle
 Color Slider  Super Slider
 Input Prompt  TimeSpan Picker
 Message Prompt  Toast Prompt
 Memory Counter  Value Converters
 Password Prompt  Binding Helpers

33. Fx #11: Coding 4fun tools

34. Fx #12: Hammock
 Daniel Crenna’s Hammock is used by
741 apps.
 REST Requests framework supporting:
Async, Retry, Caching, Authentication,
Tracing, Serialization and Validation.

35. Fx #13: Phone Perf Helpers
 David Anson’s Phone Performance
Helpers are used by 705 apps.
 WP7 NoDo had terrible Listbox Perf.
 DeferredLoadListBox and
LowProfileImageLoader are great for
ListBoxes with Images.

36. Fx #14: WCF RSS
 System.ServiceModel.Syndication.dll is
being used by 670 apps.
 Parses (or generates) RSS and ATOM
into strongly-typed classes and
support LINQ querying.

37. Fx #15: SSME
 Microsoft’s Smooth Streaming Media
Element is used by 604 apps.
 Using SSME with IIS Smooth
Streaming provides video adaptive
streaming over HTTP.
 Contains heuristics to change bitrates
based on network conditions and
client properties.

38. Fx #16: Facebook C# SDK
 Jim Zimmerman and Microsoft’s
Nathan Totten’s Facebook C# SDK is
used by 603 apps.
 Fully featured framework to access
Facebook data, OAuth and actions.

39. Fx #17: Telerik WP7 SDK
 Telerik Windows Phone 7 SDK is used
by 557 apps.
 Commercial controls SDK.
 Animations  DockPanel  TimePicker
 ApplicationFrame  Gauge  TimeSelector
 BusyIndicator  JumpList
 TransitionControl
 BulletGraph  LayoutTransform
 Calendar  ListPicker  UniformGrid
 Chart  LoopingList  Window
 DataBoundListBox  MessageBox  WrapPanel
 DatePicker  NumericUpDown
 DateSelector  PickerBox

40. Fx #17: Telerik WP7 SDK

41. Fx #18: Google AdMob
 Google AdMob ADK for Windows
Phone 7 is used by 542 apps.

42. Fx #19: ImageTools
 Sebastian Stehle’s ImageTools is used
by 490 apps.
 Loads and saves PNG, JPEG, BMP &
GIF.
 Applies Effects (Rotate, Flip) and filters
(Sepia, Invert, GreyScale, Contrast,
Brightness and Blur).
 Supports reading Barcodes.

43. Fx #20: Silverlight Toolkit
 Microsoft’s Silverlight Toolkit for
Desktop is used by 484 apps.
 Not supported on WP7.

44. Fx #21: #ziplib
 SharpDevelop’s #ziplib is used by 432
apps.
 Supports ZIP, FastZip, TAR and GZip
file extraction and creation.

45. FX #22: MEF
 Microsoft’s Managed Extensibility
Frameworks is used by 398 apps.
 An IoC framework that doesn’t like to
be called an IoC framework.

46. Fx #23: Analytics Framework
 Microsoft Silverlight Analytics
Framework by Michael Scherotter is
used by 373 apps.
 Supports Google Analytics,
WebTrends and 5 additional analytics
providers.
 Supported by UI controls and Blend.

47. Fx #24: Tombstone Helper
 Matt Lacey’s Tombstone Helper
 Stores state for TextBox, PasswordBox,
CheckBox, RadioButton, Slider, ListBox,
and ScrollViewer with a x:Name
property .

48. Fx #25: Sterling OODB
 Jeremy Likness’s Sterling Object
Oriented Database is used by 294
apps.
 Client-side OODB storing in IsoStore.
 Fast and compact.

49. Fx #26 – Fx #29
 Microsoft’s XML Serialization.
 Alan Mendelevich’s AdDuplex SDK:
WP7-only Ads library
 Noah Hart’s C#-SQLite on WP7.
 Davide Zordan, Laurent Bugnion and
David Kelley’s WP7 MultiTouch Blend
behaviours.

50. Fx #30 – Fx #34
 José Ángel’s Widget Library for WP7:
Enables WP7 HTML apps.
 Microsoft’s Media Platform Player
Framework for WP7: Fully-featured
Video player.
 Daniel Crenna’s TweetSharp: Twitter
framework for WP7.
 Microsoft’s WCF Data Services:
Consume OData services.

51. FX #35 – Fx #39
 John Sheehan’s RestSharp: REST API.
 René Schulte’s WriteableBitmapEx:
GDI+ drawing functionality.
 Microsoft’s Rx (Reactive eXtensions):
Linq to Events state machine.
 Manfred Dalmeijer’s aldarIT SuperAds:
Multiple Ad-Network Silverlight
Control for Windows Phone 7.

52. Fx #40 – Fx #45:
 Sergey Barskiy’s Windows Phone 7
Database: RDBMS in WP7 IsoStore.
 Rob Eisenberg’s Calburn.Micro: Fully
featured WP7 MVVM Framework.
 Microsoft’s Windows Phone Shake
Gestures Library.
 Rgelb’s adMob for Windows Phone 7.
 Microsoft P&P’s Prism.

53. Fx #46 – Fx #49
 Karl Seguin’s Mogade Windows
Phone: Server-side game services.
 Simon McKenzie’s ExifLib: Reads
Camera EXIF Data.
 Jeff Brand’s SlickThought WP7 Trial
Manager: Enhanced Trial Logic.
 amCharts Quick Charts for Windows
Phone 7.

54. Fx #50 – Fx #54
 Shawn Wildermuth’s PhoneyTools:
WP7 Helper classes.
 Romeo Dumitrescu’s Windows Phone
7 Isolated Storage Explorer.
 Jeff Weber and Ian Qvist’s Farseer
Physics Engine.
 MobFox Windows Phone 7 Ads SDK.
 Damian Karzon’s DropNet DropBox C#
API.

55. Fx #55
 Pawel Idzikowski’s sharpSerializer:
open source XML and binary serializer.

56. Thank You!
 Slides available @JustinAngel
 Q&A