April 2014
Beginner
576 pages
12h 53m
English
Content preview from iOS App Development For Dummies
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Chapter 8
It’s (Finally) Time to Code
In This Chapter
Determining Internet availability
Using the debugger
Using breakpoints to examine runtime behavior
Yes, it’s finally time to start coding, although this chapter doesn’t get you going on the RoadTrip app functionality itself yet (the example app developed in this book). In this chapter, I show you some code you have to include to make sure that your app isn’t rejected out of hand by Apple.
Next, I give you an introduction to your new friend, the debugger. While some of you out there (but not me) may code perfectly, most developers make some mistakes as they develop an app. Fortunately, the debugger in Xcode starts helping you right from the start — so you want to understand how to use it as soon as you start coding.
Checking for Network Availability
One of the easiest ways to get your app rejected by Apple is to fail to make sure that you have an Internet connection when your app needs it, and therefore fail to notify the user that the functionality that requires the connection will be unavailable (or even worse, have your app just hang there).
Downloading the Reachability sample
Apple provides a sample app called Reachability ...
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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.
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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.