March 2010
Beginner
374 pages
10h 57m
English
Content preview from Learning iPhone ProgrammingBecome 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,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
Chapter 3. Your First iPhone App
In this chapter, you’ll build a small Hello World application and run it in iPhone Simulator. If you’re enrolled in the iPhone Developer Program, you’ll even get to run the application on your iPhone or iPod touch. I’m going to take you through this step by step, just to give you an idea of how Xcode and Interface Builder work together.
Note
Enrolling in the iPhone Developer Program is separate from registering as an iPhone developer. Enrollment ($99 or $299 per year, depending on which program you join) provides you with the software certificates and online provisioning tools needed to run your own apps on your own iPhone and submit them for approval to the App Store.
However, even if you don’t plan to enroll in a Developer Program, you will need to register so that you can download the iPhone SDK needed to create apps. See Chapter 2 for more information on registering and enrolling.
Objective-C Basics
I talk in detail about how Objective-C applications are normally structured in Chapter 4. However, in this chapter, although I do get into Objective-C’s sometimes quirky syntax, I’m going to give you a higher-level overview of the language to get you going quickly.
Object-Oriented Programming
If you’ve heard someone explain object orientation before, the distinction between the terms class and object may not be totally clear. However, there is a difference. A class is the blueprint for objects; each time you create an object, the class definition determines ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.