Learning iOS Development: A Hands-on Guide to the Fundamentals of iOS Programming
by Maurice Sharp, Erica Sadun, Rod Strougo
Screen Size
The most obvious difference is the amount of screen space available on the iPad family versus iPhone or iPod touch. iPads have a large 1024x768 point resolution enabling the display of much more content. iPhones and iPod touches have two display geometries: The 3.5-inch screen used by earlier devices is 480x320 points while the newer 4-inch screen is 568x320.
Notice that the above resolutions are in points, not pixels. Most Apple devices now use a higher resolution retina display, doubling the number of available pixels and better matching human vision. Luckily, instead of worrying about whether the device is 480x320 (non-retina) pixels or 960x640 (retina) pixels, you can work in the world of points. For artwork, Xcode makes it easy ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access