Beginning iPhone SDK Programming with Objective-C (Wrox by Wei-Meng Lee

By Wei-Meng Lee

Everything you must comprehend to begin growing local purposes for the iPhone and iPod Touch
The iPhone SDK and the Xcode instruments are the authentic Apple instruments used for developing local iPhone purposes. This information-packed e-book offers a whole creation to the iPhone SDK and the Xcode instruments, in addition to the Objective-C language that's essential to create those local purposes. strong assurance and real-world examples stroll you thru the method for constructing cellular purposes for the iPhone which may then be dispensed via Apple's iTunes program shop.
The hands-on technique indicates you ways to strengthen your first iPhone program whereas getting you conversant in the iPhone SDK and the array of Xcode instruments. a radical educational at the positive aspects and syntax of the Objective-C language is helping you get the main out of the iPhone SDK, and an in-depth examine the gains of the iPhone SDK permits you to maximize every one of those gains on your purposes. * offers an introductory examine how the iPhone SDK and Xcode instruments paintings with the Objective-C language to create local iPhone purposes * Familiarizes you with the most recent model of the iPhone SDK and the latest Xcode instruments that send with Snow Leopard * Walks you thru constructing your first iPhone functions * specializes in the positive factors and syntax of the Objective-C language so you might get the main out of the iPhone SDK
With this hands-on consultant, you'll fast start constructing functions for the iPhone with either the iPhone SDK and the most recent Xcode instruments.
Note: CD-ROM/DVD and different supplementary fabrics will not be integrated as a part of e-book dossier.

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To emulate this, you hold a knife and actually cut yourself. The iPhone Simulator can simulate different versions of the iPhone OS (see Figure 1-8). This capability is very useful if you need to support older versions of the platform as well as testing and debugging errors reported in the application on specific versions of the OS. indd 9 11/30/09 12:17:06 PM 10 ❘ CHAPTER 1 GETTING STARTED WITH IPHONE PROGRAMMING Features of the iPhone Simulator The iPhone Simulator simulates various features of a real iPhone or iPod touch device.

Sending e-mails from within applications. 11/30/09 12:17:48 PM Some Useful Information Before You Get Started ❘ 19 Testing on Real Devices One of the most common complaints that beginning iPhone programmers made was about the inability to test iPhone applications they have developed on their actual devices. It seems odd that as the owner of the device, they can’t even test their applications on it. Turns out that for security reasons, Apple requires all applications to be signed with a valid certificate, and for testing purposes, a developer certificate is required.

FIGURE 1-11 Appendix C discusses Interface Builder in more detail. indd 12 11/30/09 12:17:19 PM Components of the iPhone SDK ❘ 13 Instruments The Instruments (see Figure 1-12) application allows you to dynamically trace and profile the performance of your Mac OS X and iPhone applications. indd 13 ➤ Stress test your applications ➤ Trace your applications for memory leaks ➤ Gain a deep understanding of the executing behavior of your applications ➤ Track difficult-to -reproduce problems in your applications 11/30/09 12:17:30 PM 14 ❘ CHAPTER 1 GETTING STARTED WITH IPHONE PROGRAMMING NOTE Covering the Instruments application is beyond the scope of this book.

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