November 2016
Beginner
480 pages
11h 10m
English
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Visual debugging
As app development has become more and more visual with the use of storyboards, we, as developers, have an increasing number of places that things can go wrong outside of our actual code. In the last chapter we looked at how UI tests allow us to test user interaction scenarios, but we can also debug our interfaces when things go wrong. To do that, we're going to use Xcode's View Debugger.
When we were looking at the debug toolbar earlier in the chapter, we looked at the View Debugger button, but didn't use it. (It's the one that looks like three rectangles.) Let's build and run our project, and then click it to launch the View Debugger:
Figure 14.26: The View Debugger paused on a frame of our Snippets app
So what just happened? Xcode ...
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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.