By Brandon Alexander
Construction in your wisdom of the way to put in writing simple applications, Pro iOS five instruments: Xcode, tools and construct Tools shows the best way to take your apps from promising to actual, and from reliable to nice, by utilizing a number of functionality and debugging strategies and instruments present in Xcode, Apple's built-in improvement surroundings (IDE), Interface Builder and extra. you'll begin by way of learning an alpha-stage iOS app and studying how one can use the instruments supplied within the iOS developer’s toolbox, plus renowned third-party instruments, to take an app to a last product and able to send. your personal app improvement shouldn't be an identical back! examine the instruments on hand to all iOS builders: Xcode, tools, community diagnostic instruments and model keep an eye on innovations for debugging through the use of tools, in addition to the hot positive factors on hand in most recent model of Xcode functionality tuning concepts and workflow improvements What you’ll study how one can organize a bare-bones buying cart app; from making a new undertaking to utilizing a allotted model keep an eye on approach for constructing the surroundings utilizing Xcode, Interface Builder and different Apple developer instruments. the way to paintings your method via an app and song the consumer interface for functionality tips on how to diagnose and deal with reminiscence concerns, leaks and working with intermittent crashes how you can care for networking matters and reliably recreate or simulate those environments the best way to tackle multitasking, behind the curtain energy drains, and reduce/optimize energy utilization from the radio and different strength draining positive factors in iOS units how one can distribute your app to beta testers, organize for the App shop and accelerate improvement time through studying shortcuts and different improvements to developer instruments Who this booklet is for This ebook is for iOS builders trying to absolutely make the most of iOS 5 tools like Xcode, Interface Builder and more, making their apps improvement speedier and more effective. desk of Contents Wax On, Wax Off top notch instruments: Xcode, Interface Builder and extra 3 monitors and...Well, It Runs reminiscence administration and Diagnostics middle Animation and Smooth Scrolling Networking, Cache, and Power administration arrange the Beta! Why Are issues Breaking? do we Automate a few of This? Now, they wish an iPad model How Do I proportion a few of This? One More Thing
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Additional info for Pro iOS 5 Tools: Xcode Instruments and Build Tools (Professional Apress)
We’re usually working with very complex systems with many moving parts, and introducing changes can introduce bugs. A good idea is to have unit tests in place to make sure you aren’t changing the functionality while improving performance. I ran into that problem once when I was taking a course in highperformance computing. The task was to write an evolutionary algorithm to solve a complex, multivariate algebraic equation. I had a working algorithm, but I thought it was a bit slow so I started tweaking it.
CHAPTER 2: First-Class Tools Figure 2–16. The configuration sheet for the Profile action in the scheme editor. Get to Instruments Already OK, I know, we’re not in Instruments yet; we’re getting there. If the scheme editor sheet is still open, click OK. Now, go ahead and launch Instruments by going to Product ➤ Profile, and Xcode will build the project and launch Instruments. After Instruments is launched, you will be presented with the launch screen shown in Figure 2–17. If you are launching to an iOS device, you will see more instruments available to you.
Another rule of thumb is to change one thing at a time. Changing multiple things simultaneously can cause problems because the two changes might cancel themselves out or introduce unknown errors. We’re usually working with very complex systems with many moving parts, and introducing changes can introduce bugs. A good idea is to have unit tests in place to make sure you aren’t changing the functionality while improving performance. I ran into that problem once when I was taking a course in highperformance computing.
Pro iOS 5 Tools: Xcode Instruments and Build Tools (Professional Apress) by Brandon Alexander