6.1. Adding a Navigation Controller to a Storyboard
Problem
You want to be able to manage multiple view controllers inside a storyboard-based application.
Solution
Set a navigation controller as the initial view controller of your storyboard file.
Discussion
When you create a new universal iOS app using the Single View Application template in Xcode, you will get two storyboard files: Main_iPhone.storyboard and Main_iPad.storyboard. If you view them in Interface Builder, you’ll notice that they contain a view controller as their root controller. Figure 6-1 shows the contents of a simple out-of-the-box iPhone storyboard file.
In order to change the root view controller of your storyboard file into a navigation controller, all you have to do is the following:
Select your view controller on the canvas of the storyboard.
From the Edit menu, choose Embed In and then Navigation Controller (see Figure 6-2).
Once you are done, you will notice that the root view controller of your storyboard is now a navigation controller, as shown in Figure 6-3.
Figure 6-1. A view controller as the root of a storyboard file
Figure 6-2. Embedding your view controller in a navigation controller
Figure 6-3. A navigation controller ...
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