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Design of a Vending App

Design of a Vending App. Develop an Understanding. Design Problem. M any Vending Machine Banks around campus serving a variety of products Currently most of these machines require “Cash on Delivery”

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Design of a Vending App

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  1. Design of a Vending App Develop an Understanding

  2. Design Problem • Many Vending Machine Banks around campus serving a variety of products • Currently most of these machines require “Cash on Delivery” • In the future these machines will be able to communicate with a user via smart phones or tablet computers. • Our goal - build a tablet based user interface to shop at these vending machines.

  3. Starting the UI Design Process

  4. Information we need before we Design • Who is the user – Persona • Devices we will be design for • Features/tasks • Problems with current design

  5. Developing an Understanding • Who are the Users • Where will this application be used Environment • What Tasks will this application need to support • What are the Usability Goals which will make this application successful from a user perspective • What will make this application a business success - Business goals

  6. Who Are the Users

  7. Who Are the Users • Students – Focal/Primary • Faculty and Admin • Visitors

  8. Who Are the Users • Students • Faculty & Staff • Visitors • Special need Individuals

  9. Use Environment

  10. Use Environment • Noise • Lighting • Crowed

  11. Use Environment • Hall ways and lounges • Often noisy with lots of people talking and laughing • People come, go, stand • Some people might be embarrassed about what they buy • Several individuals might wait in line for vending machine

  12. User Tasks

  13. User Tasks • Setup • Select products • Pay • View price • View calories • Establish connection • Collecting product • Locating nearest machine • View similar products • Price compare • View balance

  14. User Journey Major Steps of the interaction Setup Arrive Shop Buy Request help Pickup Complete

  15. UserTasks (1/2) • Setup - After purchasing the App • Setup app – Personal/financial info • Arrive - When arriving to the Vending area • System Locate application – Like finding a network on the lap top • User sign in - passcode • Shop - Ready to shop • Browse available items – Orientation and promotions • View Favorites – system will build up based on repeated purchases • Locate candidate item • Categories • Price • Names + Images • Search for a specific item • Interrogate system to obtain additional item info • View cart status – items, cost • Select item

  16. User Tasks (2/2) • Buy - Ready to buy • Review cart status • Edit cart content • Buy • Pickup - Ready to pickup items • Be directed to the specific vending machine that contain my items • Complete - Close transaction • Opportunity for feedback • Auto close

  17. Usability Goals

  18. Usability Goals Goal How is it manifested

  19. Usability Goals • Promote user trust • About personal info • About fiscal info • Minimal data input • Amount of data • Number of steps • Support decision making • Possibly show items I bought in the past • Provide relevant info for decision making – e.g., dietary, allergic • Keep user in control • Ability to add delete • Feedback about item status, cost

  20. Business Goals

  21. Business goals

  22. Business goals • Sell products • Minimize cart abandonment • Increase average cart value • Build long term relationship with customers – Return customers • Obtain payment • Build trust • Minimal support needs

  23. Other Potential Requirements • Localization • Multiple languages • Different currencies • Accessibility by individuals with special needs • Online help • For first time users • For issues • How to contact us

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