2. The iPhone Developer’s Toolbox
Before you can begin building your own applications for the iPhone, you’ll need to register with Apple as a developer and download the iOS software development kit (SDK). Luckily, both of these steps are easy and completely free—simply visit http://developer.apple.com. You’ll also find a wealth of information regarding iPhone development, including documentation, tutorials, videos, sample code, and more.
The iOS SDK includes the Xcode integrated development environment (IDE), iPhone Simulator, Interface Builder, documentation, and a number of other tools you’ll ...
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