I make apps for other people

Designing for the iPhone could be a full time job

Posted by Chris Jones
On December 28th, 2007 at 12:36

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Posted in Design Journal, Tech

Check out Apple’s iPhone Safari Web Content guidelines (PDF, 6.1 MB) for some ideas about why iPhone web page development is different from typical web page development. A lot is the same: CSS, layout and positioning, XHTML and standards, etc. Some is different, like a META tag that defines the viewport size. And some new page events are generated, like onorientationchange–and there’s a hell of a lot you simply can’t do. It makes you, as a web application designer or developer, think hard about the interactions you plan on using and consider if they’re necessary or other ways that they can be done. And as a web app developer, you’re suddenly thinking about minimizing content sizes again and keeping an entire page under 30 MB, stripping unnecessary whitespace, and optimizing for a relatively slow 100 Kbps EDGE connection with 500 ms latency (since your users won’t always be using WiFi).

onorientationchange is going to require an additional 30% or more work for designing the page layout.

Here’s a thought for budding iPhone web app developers to mull on:

The finger and tap interface isn't the same as using a mouse

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