iOS 11 Programming Fundamentals with Swift: Swift, Xcode, and Cocoa Basics by Matt Neuburg

Author:Matt Neuburg [Neuburg, Matt]
Language: eng
Format: azw3, pdf
Publisher: O'Reilly Media
Published: 2017-09-26T04:00:00+00:00

From Project to Running App

An app file is really a special kind of folder called a package (and a special kind of package called a bundle). The Finder normally disguises a package as a file and does not dive into it to reveal its contents to the user, but you can bypass this protection and investigate an app bundle with the Show Package Contents command. By doing so, you can study the internal structure of your built app bundle.

We’ll use the Empty Window app that we built earlier as a sample minimal app to investigate. You’ll have to locate it in the Finder; by default, it should be somewhere in your user ~/Library/Developer/Xcode/DerivedData folder, as shown in Figure 6-14.

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