A. Installing the Developer Tools
Before you can write your first iPad application, you need the developer’s tools. The developer tools consist of everything you need to write iOS and Mac OS X applications, including the integrated development environment (IDE) called Xcode; the user interface designer called Interface Builder; the compiler compatible for compiling C, C++, and Objective-C code; the debugger for debugging your code; and Instruments, a tool for tracking memory leaks and profiling your application. A handful of other really useful tools are also included. Collectively the developer tools are called Xcode, with the Xcode IDE being the primary tool in the arsenal.
Xcode is available for free from the Mac App Store. It’s also available ...
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