Cocoa touch for iphone os 3 by Jiva DeVoe

By Jiva DeVoe

I've got many iphone programming books and not paid this booklet a lot cognizance. lately although, i've been attempting to get a deeper comprehend of the interior workings of cocoa contact. this publication is fantastic, its rather made me comprehend the MVC strategy used while development iphone apps. the publication is easily written....and breaks issues right down to you in a really systematic method. certainly suggest this e-book.

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At this point, if you click Clean and then Build and Go, it builds your executable, downloads it onto your iPhone, and runs it. NOTE If you’re using the Debug build, then you can actually run the debugger and debug on your actual device. 18 Getting Started with the iPhone Summary In this chapter, you’ve been able to build a very simple iPhone application, and you also learned to run it in the simulator as well as on your actual testing hardware. This was by no means a complicated application, but it did show the basics of the entire development cycle, from designing your GUI to writing your controllers and launching the application.

You’ve seen what capabilities are supported on the simulator and what are not. You’ve looked at the performance differences between the simulator and actual iPhone hardware. During your career as an iPhone developer, you’re going to find yourself returning to the simulator over and over again; this background information should make you feel comfortable doing further exploration and help you understand where to look when things go wrong in your application and you need to track the problem down.

Most computers do not have this luxury. When it comes to other features, such as Core Location, the simulator allows testing using those features, but it simulates the operation of hardware in a test mode. This means your code will work, but it will have only test data fed to it. Finally, there is the ubiquitous multi-touch, which is in a lot of ways the defining feature of iPhone and iPod touch interactivity. The simulator allows you to simulate multi-touch through a variety of hotkeys. Let’s visit each of these subjects in turn.

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