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Mobile User Experience
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Mobile UX - the intricacies of designing for mobile devices



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Covering mobile user experience in general and focusing on the little interface tweaks and interaction design that can make all the difference to a mobile application

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Mobile UX - the intricacies of designing for mobile devices

  1. MOBILE USER EXPERIENCE the intricacies of designing for mobile devices Antony Ribot, CEO, Ribot UX Corner - 08.01.2009
  2. First of all, some context BACKGROUND started at tomato (’99) then studied ants, bees and termites joined the mobile scene 5 years ago co-founded ribot 1.5 years ago ceo / art director
  3. Why does ribot exist? ribot = ideas lab for mobile UIs explore and play with interfaces in small spaces passion for pushing UI boundaries
  4. Personal definitions User experience Interaction the qualitative design emotional how the user description of interacts with the multiple interactions object with an object Method Relationship
  5. Constraints of mobile THERE ARE MANY form factor battery network latency context input mechanism memory computational power
  6. Context of use
  7. Behaviours & usage
  8. The mobile environment IT’S LIKE MARS single early failure = non-returning user crucial first 30-60 seconds usage
  9. Mars, Neptune, Pluto... THE ENVIRONMENT DIFFERS, DEPENDING ON WHERE YOU ARE user behaviour handset range operators data allowance / pricing e.g. South Africa, Europe, Japan...
  10. Time for a snack... DATA-SNACKING small snippets of info 30-60 seconds simple, but repetitive regular
  11. Re-use learnt behaviours Re-use interactions inherent in the device Minimise the number of surprises soft key positions colour menu navigation tone of voice
  12. Going into details...
  13. Mobile is not about making things smaller Miniaturisation Mobilisation vs
  14. It’s all about the subtleties Fewer options = simple and more effective interface Polish makes the UX and app stand out
  15. Default states in a UI Grid menus and lists Most important function highlighted? Maximise number of options a click away
  16. Faking it Low latency is key to the user experience... ...especially with touch devices Make immediate visual changes... ...whilst we wait for network/other process
  17. Working around the 3G icon
  18. Reward-based exploration FOCUSING ON THE KEY FEATURE AND DOING IT WELL keep it as simple as possible (the hard part) 1. allow the user to play within safe boundaries 2. user’s comfort increases 3. sense of exploration increases 4. discovery of features almost by accident
  19. Opera Mini A REWARD-BASED MOBILE BROWSER page by page scrolling
  20. Opera Mini A REWARD-BASED MOBILE BROWSER Short-cuts in the soft key menu
  21. Process
  22. Mobile UX - the easier path Workshop Idea exploration Paper wireframes Formalised digital wireframes User/expert testing Aesthetic concepts Screen design Rapid prototype Docs Motion design Art direction
  23. How to deal with diversity select lead handsets for your target audience use the design process to tackle “graceful degradation”
  24. Why use rapid prototyping test ideas quickly in a tangible environment extremely useful reference for developers an interactive showcase of the intended UX
  25. Mobile rapid prototyping tools Flash (lite v3.0) XHTML + CSS Nokia Web Runtime Silverlight Dashcode Pen & paper
  26. Questions Antony Ribot


  • move things along little by little

  • Note: Constraints make mobile interesting. A challenge.

  • If you're not aware of the constraints, the UX will be poor.

  • [Note - do mobile users have shorter attention spans?]

  • e.g. In SA, most people have very limited data connections. Mixit

  • Like a large bag of chocolate buttons

  • Motorola

  • Exit, Quit,

  • Miniaturisation (shrinking things down)

  • Mobilisation (process of selecting the features most important to the user given the mobile context) vs

  • minimising the number of subconscious questions the user needs to make

  • super simple, but so few design this

  • (all the time, we are building a relationship with the user)

  • ×