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Wrap up

As your Swift skill increases, I hope you're starting to feel the balance of these projects move away from explaining the basics and toward presenting and dissecting code. Working with JSON is something you're going to be doing time and time again in your Swift career, and you've cracked it in about an hour of work – while also learning about UITabBarController, and more. Not bad!

If you're looking to extend this project some more, you might like to look at the original API documentation – it's at https://petitions.whitehouse.gov/developers and contains lots of options. If you add more view controllers to the tab bar, you'll find you can add up to five before you start seeing a "More" button. This More tab hides all the view controllers that don't fit into the tab bar, and it's handled for you automatically by iOS.

You did it! Now what?

You finished another project, and I'm glad Hacking with Swift helped you. Now I need your help. Please take just a moment out of your day to tell others about Hacking with Swift so they can benefit too.

You can click below to post a tweet straight to this project. Or if you're feeling particularly generous, you can click here to link to Hacking with Swift on your website and help spread the word.

Thank you. Your support is what keeps me going!

 

About the author

Paul Hudson is the creator of Hacking with Swift, the most comprehensive series of Swift books in the world. He's also the editor of Swift Developer News, the maintainer of the Swift Knowledge Base, and Mario Kart world champion. OK, so that last part isn't true. If you're curious you can learn more here.

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