For the rest of this chapter, you will build the Fonts app, shown in the following image.
You can use the Fonts app to experiment with fonts.
The font controls are used to update the font of the text in the bordered section. You will use the following strategy to build the app:
1. Create the Fonts project in Xcode.
2. Construct the interface.
3. Add outlets and actions to the view controller code file.
4. Hook up the controller and the interface in Interface Builder.
5. Add a few helper methods to the controller that will update the font of the displayed string.
In Chapter 4, you completed steps 1 through 4. If you run into trouble ...