3. Gartner reported that the
global mobile phone sales
last year reached around
1.21 billion units.
4. Vendors shipped a total of 54.7
million units in the first quarter
of 2010 (1Q10), up 56.7% from
the same quarter a year ago.
via International Data Corporation
42. Rethink the metaphor
★ Metaphors can create a shallow learning curve, but
aren’t always appropriate
★ Use metaphors that make sense
★ People are coming from the web if not from another
device
44. Use default gestures
★ People enter with different gesture vocabularies.
★ If you’re not sure, go default.
★ You may be competing with other apps.
Image via Touch Gesture Reference Guide on lukew.com
54. Review designs
★ Create an HTML website with hotspots and share
the URL for review
★ Email images to be reviewed on a device
55. Get as close as you
can to the real thing
★ Get set up with the dev environment
★ Test and run on the simulators
★ Even better, load on to a device
★ Even add assets and commit
56. Test interactions
★ Gestures and inputs
★ UI overload/fatigue
★ Scrolling and selecting
★ Navigation flow
Image via scopeblog.stanford.edu
57. Physical prototypes
★ Don’t have the physical device? Fake it.
★ Made a wooden iPad to test before device was
available
Image via Jonathan Branam
58. Get user feedback
★ Form a user testing plan
★ Try to get “true” users
★ Conduct your own “guerilla” user testing