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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” - PowerPoint PPT Presentation
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Design of a Vending AppDevelop an Understanding
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.
Starting the UI Design Process
Information we need before we Design
Users Payment details Set of products Functionality Advantages/Disadvantages Platform - Hardware
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
Who are the Users
Who Are the Users
Who are the Users
Students Faculty & Staff Visitors Special need Individuals
Use Environment
Use Environment
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
User Tasks
User Tasks
User Journey
Setup Arrive Shop Buy
Pickup Complete Request help
Major Steps of the interaction
User Tasks (1/2) After purchasing the App
Setup app – Personal/financial info When arriving to the Vending area
System Locate application – Like finding a network on the lap top User sign in - passcode
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
User Tasks (2/2)
Ready to buy Review cart status Edit cart content Buy
Ready to pickup items Be directed to the specific vending machine that
contain my items Close transaction
Opportunity for feedback Auto close
Usability Goals
Usability Goals
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
Business Goals
Business goals
Business goals
Sell products Minimize cart abandonment Increase average cart value Build long term relationship with customers –
Return customers Obtain payment Engender trust Minimal support needs
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
