Programming in Objective-C, Sixth Edition

The NSBundle Class

When you create an application, the system stores all the data associated with that application—which includes resources such as images, localized strings, icons, and so on—into a package known as an application bundle. To access those resources from within your application, you want to become familiar with the NSBundle class.

It’s easy to add a resource like an image or a text file to your application: You just drag the file into the left pane in Xcode. When prompted, you’ll usually want to copy the resource into your project folder so that your project is all self-contained.

Here’s a statement that returns the path to a file called instructions.txt that’s stored in your application bundle:

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