iPhone and iPad retina screens display at two times the resolution
of non-retina screens. A single pixel in a non-retina device, is taken up by
four in a retina version. This allows for a more detailed and crisper image to
view on the device. Flowcharting is an important place to begin to direct the
path of the applications usability before designing. Storyboarding is an efficient way to
streamline an application, through visual analysis before committing the time
to create it digitally. Beginning with a lo-fi mock up, the application can be
further visualized to prune and polish the usability. It is important to keep in
mind a universal design and consider the various orientation and screens sizes
it will be displayed on. Icon design is important because it is the first thing
a user will see and interact with in the application and it is typically
visible on screen constantly. Testing is smart. Gather and distribute
resources. Documentation on use, styles, and layout is vital to relay the
applications standard look and feel.
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