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Building the eBay Simple Lister with Silverlight

Building the eBay Simple Lister with Silverlight. Michael Wolf Principle Architect WPF & Silverlight Michael.Wolf@cynergysystems.com. It Takes a Team.

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Building the eBay Simple Lister with Silverlight

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  1. Building the eBay Simple Lister with Silverlight Michael Wolf Principle Architect WPF & Silverlight Michael.Wolf@cynergysystems.com

  2. It Takes a Team “If you don’t have a triad of a designer, technologist, and business professional all coming to the table with equal skills and equal levels of creativity, the result will be a substandard product” – Bill Buxton 2010 • Jim Donaghy: Technical Lead • Jon Bradley: User Experience Designer • Casey Rayl / Michael Rumely: Developers

  3. Sketching on a screen • Think First sessions • Quick Ideation • Be ready and willing to throw away • Deleting pixels is always cheaper than deleting lines of code

  4. Playing with sketches Player Demos

  5. 2 minutes goal • Original project goal was to list an item in 2 minutes. • Achieved listing in 30 seconds through rapid ideation and a rich client based platform

  6. Using Sketch flow forrapid ideation • Demo

  7. Organizing projects for designer developer workflow • Designers Sandbox • Visual States • Project structure which shares a resources assembly from sketchflow, to sandbox, to live app

  8. Silverlight 4 Lessons learned • Drag and Drop How to: • Web cam security requests must be in the ui thread, but start/stop locks ui thread * no need for permission request on oob elevated

  9. Silverlight 4 lessons learned 2 • Using xap signing shows trusted installer * more details to come from john papa

  10. barcode lookup • Silverlight 4 web cam capture and drag and drop used to capture images • Barcode recognition : c# silverlight port of zxinghttp://code.google.com/p/zxing/ • I am working with the zxing team to submit port back • Demo

  11. Got Questions • Questions? Need Answers? • Michael Wolf : Michael.Wolf@cynergysystems.com @geekpunk * We will be available in the commons after the session to continue the conversation

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