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We take our player bar and install it into a custom tab bar. To do this we have to create a custom tab bar controller and tab bar subclass and mix it with just a little bit of questionable UIKit hackery to get it to layout how we want. We'll talk about the tradeoffs for different approaches as well as see some useful debugging tips when a button isn't responding to taps.
We start from a blank project template, then add our first storyboard and tab bar controller. We also introduce a mechanism for skinning the app with a Theme type.