Hour 24. Using Instruments for Analysis

What You’ll Learn in This Hour

Exploring the Instruments interface

Creating trace documents

Using instruments with the iOS Simulator

Putting Instruments in Perspective

Broadly speaking, there are four steps to developing and implementing an app whether it is for an iOS device, a Mac, or any other computer, including a Windows computer, an old-fashioned mainframe, or even more obscure devices.

Define and design—Decide what your app is supposed to do.

Compile—If you cannot pass this hurdle, no one can run your app.

Work as expected—This means that calculations are correct and that the app delivers on the design promise.

Work properly in the computing environment—This section explores this point. ...

Get Sams Teach Yourself Objective-C in 24 Hours now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.