March 2013
Intermediate to advanced
1000 pages
34h 51m
English
Content preview from Programming iOS 6, 3rd 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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Running in the Simulator
When you build and run with the Simulator as the destination, you run in the iOS Simulator application. The Simulator window represents a device. If your app runs on either iPhone or iPad (natively or in the iPhone emulator), you can choose which device is simulated as you choose your destination; similarly, if your app runs on multiple system versions, you can choose the system version of the simulated device as you choose your destination. (See Chapter 6 on destinations, and the first section of this chapter on device architectures and the Deployment Target build setting.)
You can also switch device types by choosing Hardware → Device in the Simulator. This quits your app running in the Simulator; you can relaunch it by building and running in Xcode again, or by clicking your app’s icon in the Simulator. In the latter case there is no longer any connection to Xcode (you aren’t using the debugger, so you won’t stop at breakpoints, and log messages won’t be relayed to the Xcode console); still, you might do this just to check quickly on how your app looks or behaves on a different device.
The one key choice you can make using Hardware → Device in the Simulator that you can’t make by choosing a destination in Xcode is between iPad and iPad (Retina), or between iPhone, iPhone (Retina 3.5-inch), and iPhone (Retina 4-inch):
- The Retina display is a double-resolution screen, so it can be displayed at double size, with each pixel of the Retina display corresponding ...
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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.