April 2015
Intermediate to advanced
556 pages
17h 47m
English
book
Cocoa Programming for OS X: The Big Nerd Ranch Guide
by Aaron Hillegass, Adam Preble, Nate Chandler
Content preview from Cocoa Programming for OS X: The Big Nerd Ranch Guide
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Improving Scattered: Time Profiling in Instruments
Open the Scattered project from the previous chapter and find addImagesFromFolderURL(_:) in ViewController.swift. Find the allowedFiles variable, which is used to limit the number of files opened to ten. Remove all traces of allowedFiles and run the application.
You should see the Scattered app’s icon bouncing in the dock for several seconds. When the window appears, all the images will already have been animated to their destinations. It looks like loading the images is blocking the main thread, which is a poor user experience. You may have a pretty good idea that the problem is related to loading images, since you just removed the limit, but let’s prove it.
Introducing Instruments ...
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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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