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  • 1. Building Web Applications Using Yahoo! Web Services Jeffrey McManus Director, Yahoo! Developer Network March, 2006
  • 2. About this talk
    • About Yahoo! Web services
      • How to build a .NET application using Y! Web services
      • Using ASP.NET Atlas with Y! Web services
    • About the Yahoo! User Interface Libraries and Ajax technologies
    • A look ahead
  • 3. Our Goals: Building a Developer Ecosystem on the Yahoo! Platform
    • Provide as many compelling products for developers as possible
      • Web service APIs, tools, libraries, etc.
      • Create and grow a developer community
    • Disseminate information about our developer offerings
    • Provide exceptional support for developers
  • 4. Developer Momentum
    • We entered 2005 with a smattering of third-party developers (mostly private partnerships, negotiated on a one-off basis)
    • We exited 2005 with a community of tens of thousands of developers
    • We will continue to make integrating with Yahoo! easier and easier on both a technical and a business level
  • 5.  
  • 6. WEB SERVICES
  • 7. Search Web Services
    • Audio Search
      • Album Search
      • Artist Search
      • Podcast Search
      • Download Location
      • Song Search
    • Autos Custom
    • Content Analysis
    • Image Search
    • Local Search
    • MyWeb Search
    • News Search
    • Site Explorer
    • Video Search
    • Web Search
      • Context Search
      • Related Queries
      • Spelling Suggestion
  • 8. Web Search API: Inputs
    • query
    • region
    • type (all, any, phrase)
    • # of results
    • start position
    • format (html, msword, pdf, ppt, etc.)
    • language
    • country
    • site
    • subscription
    • license (creative commons)
    • output (xml, json, php)
    • callback (json)
  • 9. Web Search API: Outputs
    • totalResultsAvailable, totalResultsReturned
    • Title
    • Summary
    • Url
    • ClickUrl
    • MimeType
    • ModificationDate
    • Cache (Url + size)
  • 10. Use Martin Brown’s .NET Wrapper Classes to Call Search Web Services
    • Downloads and parses search results from most of our search APIs
      • No HTTP-handling or XML-parsing necessary
      • Generated from schema using xsd.exe
      • Full source code (C# and VB.NET) included
    • http://www.mgbrown.com/downloads.aspx
  • 11. Example: Performing a Web Search Using the Brown Wrapper
    • This is a “traditional” request/response example (no Ajax stuff...yet)
  • 12. Simple Maps API
    • Plot up to 100 points on a Yahoo! map without programming and without limits
    • Add geoRSS tags to an existing RSS feed to plot RSS data points on a map
  • 13. Demo: Simple Maps
  • 14. Ajax Maps API
    • http://developer.yahoo.net/maps/ajax/
  • 15. Flash Maps API
    • http://developer.yahoo.net/maps/flash/
    • Example: runningmaps.com
  • 16. Maps “Building Block” APIs
    • Geocoding API
    • Map Image API
    • Traffic API
    • Local Search API
      • Returns long/lat for plotting on maps
  • 17. Music Engine Plug-Ins
    • Yahoo! Music Engine provides personalized streaming radio, music purchase, and unlimited subscription music
    • The music client application is pluggable
      • Create plug-ins written in C++ or JavaScript
      • Applications run in embedded IE within the Music Engine client
    • http://music.yahoo.com/musicengine/
    • http://developer.yahoo.net/music/
  • 18. Trip Planner API
    • Return information on where to go and what to do from Yahoo! Trip Planner (travel.yahoo.com/trip)
    • Retrieve trips planned from a specific Yahoo! user
    • Example: http://api.travel.yahoo.com/TripService/V1/tripSearch?appid=YahooDemo&query=las+vegas
  • 19. Shopping API
    • Retrieve product and pricing information from our database of products
    • http://developer.yahoo.net/shopping/
    • Example: http://api.shopping.yahoo.com/ShoppingService/V2/productSearch?appid=YahooDemo&query=creative+zen
  • 20. Shopping API 2.0
    • New features for the Yahoo! comparison shopping API
      • Search-narrowing options
        • Shoes >> Men’s Shoes >> Size 9
      • Build a product hierarchy based on that of shopping.yahoo.com
      • Variable product image sizes to fit your layout
  • 21. Shopping Paid Syndication Beta
    • Make money by referring traffic to Yahoo! Shopping advertising partners
    • Now accepting beta applications: http://shopping.yahoo.com/syndication/
  • 22. Flickr API
    • Flickr is a photo-sharing community that makes it easy to upload, organize/tag, and share photos
    • Flickr API makes it easy to build applications that incorporate Flickr
    • http://developer.yahoo.net/flickr/
  • 23. Upcoming.org
    • Event-sharing community
      • Joined Yahoo! in 2005
    • http://upcoming.org/services/api/
  • 24. MyWeb and del.icio.us
    • Save your bookmarks to the Web
    • Tag, label, share URLs with your friends
    • del.icio.us has an API today, MyWeb has search today with read/write coming soon
  • 25. New: JavaScript Developer Center
    • Provides assistance with scripting and AJAX development
    • JSON Web services support give JavaScript developers the ability to easily handle data without parsing XML
      • Facilitates rapid development and creation of AJAX applications
    • http://developer.yahoo.net/javascript/
  • 26. Design Pattern Library
    • Solutions and guidance to common Web user interface problems
    • Techniques reflect years of experience and user testing
      • Includes solutions for such issues as accessibility
    • Provided under a Creative Commons license
    • http://developer.yahoo.net/ypatterns/
  • 27. New: Javascript User Interface Library
    • A collection of JavaScript libraries you can use in your Web development
      • Complex user interface controls
      • A cross-browser Ajax library
      • Drag-drop and event libraries
    • To be updated frequently
    • Free and open-source (BSD license)
    • http://developer.yahoo.net/yui/
  • 28. Yahoo! JavaScript UI Components
    • Animation
    • Connection Manager
    • DOM
    • Drag and Drop
    • Event
    • Calendar
    • Slider
    • TreeView
    CORE UTILITIES UI CONTROLS
  • 29. JSON Serialization
    • Provides a way to retrieve Web
      • Excellent way to write Ajax applications because the data is in native JavaScript format
      • This happens to be the same way that Atlas communicates between client and server
    • Referencing a JSON-emitting service in a <script> tag enables you to consume data without parsing or proxying
      • Be careful that the source of the JSON is trustworthy
  • 30. PARTICIPATE
  • 31. Yahoo’s Mission
    • To help users:
      • Find
      • Use
      • Share
      • Expand ...all human knowledge
  • 32. Building a Participation Platform
    • Today we provide a number of “find” services that are usable on and off Yahoo!
      • Now we must address “use,” “share” and “expand”
      • This will enable a new wave of user participation based on the Yahoo! platform
    • Services we provide to facilitate this must be:
      • Bidirectional
      • Personalized
      • Secure
  • 33. Authentication and personal information
    • One of the strengths of Yahoo! is personalization
      • Enabling users to create, store and share information, and to personalize their experience
    • We are now extending this to third-party applications and Web sites
    • Through secure authentication, we will enable Yahoo! users to get access to Yahoo! data in a way that is ubiquitous , easy , open , and secure
  • 34. Yahoo! Search Your application or Web site Retrieve Web search results
  • 35. Yahoo! Photos Your application or Web site Retrieve photos Upload, organize, tag and share photos
  • 36. Browser-Based Authentication for Yahoo! Web Services
    • Provides access to Yahoo! Web services through third-party Web sites
    • How it works:
      • User discovers a third-party Web site
      • User authenticates with Yahoo! (not the third-party developer)
      • Yahoo! sends a token to the developer that enables her to make API calls on the user’s behalf
      • Yahoo! never shares the user name and password with the third-party developer
      • User can revoke permission from the third-party developer at any time
  • 37. How Browser-Based Authentication Works
  • 38. SHARE
  • 39. Yahoo! Application Gallery
    • The Yahoo! Developer Network’s first consumer-oriented site
    • Showcases applications built using Yahoo! technology
      • Widgets, Web sites, plug-ins, etc.
    • Unifies the (many) disparate collections of applications that have been maintained here and there throughout Yahoo!
      • Flickr, Search, Widgets, Maps, etc., etc.
  • 40. Application Gallery Features
    • Developers can submit links and descriptions of their applications
    • Add tags to assist with discovery of applications, sites and widgets
    • Users can rate and review applications
      • We’ll feature the highest-rated apps and developers
    • Search for applications powered by the greatest search engine in the world, Yahoo! Search
  • 41.  
  • 42. What’s Next?
    • Many of the simple, obvious, read-only integration points with Yahoo! are completed and available today
    • However: What we’ve done to date is only the tip of the iceberg
  • 43. Coming Soon: Calendar API
    • Yahoo! Calendar enables users to store calendar events, scheduled recurring appointments, share calendars across multiple users, and set alerts
    • The Yahoo! Calendar API enables Calendar integration with your Web site
      • Will utilize Browser-Based Authentication
      • JSON and iCal support coming soon
      • Other formats will appear later in the year
  • 44. Coming Soon: Yahoo! Photos API
    • A read/write API for the most popular photo-sharing site in the world, Yahoo! Photos
    • Will utilize Browser-Based Authentication
  • 45. Questions? Comments?
    • Yahoo! Developer Network: http://developer.yahoo.net/
    • My blog: http://mcmanus.typepad.com/
    • These slides: http://redblazer.com/talks/
    • Contact me: jeffreymcmanus@yahoo.com