Home Mess System: Design & Prototype

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Home Mess System: Design & Prototype

  1. 1. Home-Mess System <br />Presentation II: Design & Prototype 1 Arundhati, Ihab, Ibrahim, Fareed, Zain<br />
  2. 2. Introduction<br />Prototyping provides us with tangible models which help users visualize possibilities and identify failures.<br />Explore the development from an idea to a prototype <br />Construct part of the development lifecycle used to provide valuable insight into the look-and-feel, and the general workflow of an application. <br />Prototypingis the keynode of iterativedevelopment<br />
  3. 3. Objectives<br />Defining the Problem<br />Identifying user requirements<br />Development of a supportive design solution<br />Designing of a low-fidelity prototype.<br />Creating a working model of the system so that conceptual ideas can be 'road tested', alternatives explored and user feedback gathered at an early stage. <br />
  4. 4. User Requirements<br />
  5. 5. User Requirements- cont.<br />
  6. 6. Design Stage<br />
  7. 7. Our Approach<br />J. Nielsen distinguishestwolevels of prototypingaccording to the level of interaction.<br />Man-Machine Interface<br />Functionalities<br />Levels of prototyping<br />
  8. 8. Horizontal prototype<br />It isthe 'surface interface'. <br />Functionalitiesare not working, but itallows to achieve a perception test.<br />Allowsto check the local behaviour of the interface <br />Identifies the critical points whereusabilityproblems are likely to appear. <br />
  9. 9. Vertical prototype<br />It implements a consistent set of functionalities in order to allow the user to achieve a typical scenario of use. Some of thisfunctionalitiescouldbesimulated.<br />This second stage of the prototyping phase consists in a series of user tests duringwhich the critical points raisedpreviously are evaluated.<br />
  10. 10. Structure<br />Main/Home Screen<br />Menu<br />Int. Msgs<br />Settings<br />Phone Msgs<br />Events<br />Surv Cam<br />Custom<br />Tasks<br />
  11. 11. Prototyping Stage<br />
  12. 12. Planning<br />
  13. 13. Prototype creation<br />
  14. 14. Prototype creation<br />
  15. 15.
  16. 16.
  17. 17. Demo<br />Ihab, Arundhati<br />
  18. 18. Conclusion<br />Prototypes start off as empty shells<br />Usability problems detected<br /> It will be used to to evaluatethe usabilityof the wholesystem.<br />
  19. 19. What’s Next?<br />Evaluation:<br /><ul><li>Data Analysis: What is new, what could we improve?
  20. 20. User Testing: What new problems present themselves?
  21. 21. New Designs: Designing to solve problems and appeasing the users. </li></li></ul><li>

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