December 2011
Intermediate to advanced
792 pages
20h 20m
English
book
Learning iPad Programming: A Hands-On Guide to Building iPad Apps with iOS 5
by Kirby Turner, Tom Harrington
Content preview from Learning iPad Programming: A Hands-On Guide to Building iPad Apps with iOS 5Become 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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25. Debugging
As you develop an app, you’ll find at times that the app isn’t behaving quite as you expected. Maybe the screen layout seems off, or maybe the app is just crashing. Xcode provides a number of useful tools for finding and fixing bugs. In this chapter we’ll discuss these tools as well as the more general question of narrowing down and finding the source of problems.
Understand the Problem
The first thing you need to do when confronted with a bug is to get the most detailed, accurate picture of the problem that you can. Getting a clear picture of the bug from the outside is a crucial first step in understanding what is wrong on the inside. Diving right into the code is rarely the best approach.
What Went Wrong?
The first step is making ...
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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.