March 2012
Intermediate to advanced
1011 pages
31h 11m
English
Content preview from Programming iOS 5, 2nd EditionBecome 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,
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Chapter 9. Life Cycle of a Project
This chapter surveys some of the main stages in the life cycle of a project, from inception to submission at the App Store. This survey will provide an opportunity to discuss some additional features of the Xcode development environment. You already know how to create a project, define a class, and link to a framework (Chapter 6), as well as how to create and edit a nib (Chapter 7) and how to use the documentation (Chapter 8).
Choosing a Device Architecture
As you create a project, after you pick a project template, in the part of the dialog where you name your project, the Device Family pop-up menu offers a choice of iPhone, iPad, or Universal (meaning an app that runs on both iPhone and iPad natively, typically with a different interface on each type of device).
You are not tied forever to your initial decision, but your life will be easier if you decide correctly from the outset. The iPhone and iPad differ in their physical characteristics as well as their programming interfaces. The iPad has a larger screen size, along with some built-in interface features that don’t exist on the iPhone, such as split views and popovers (Chapter 22); thus an iPad project’s nib files and some other resources will differ from those of an iPhone project.
Historically, different types of device also ran different versions of the operating system: iOS 3.1.3 and before, plus iOS 4.0 and 4.1, were iPhone-only, while iOS 3.2.x was iPad-only. This made life very complicated ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.