Head First iPhone and iPad Development, 3rd Edition

Chapter 9. Core data, mapkit, and core location: Finding a phone booth

Now it’s time to get to some goodies. These devices come with so much in the way of built-in capabilities. iPhones and iPads are part computer, part library, part still and video camera, and part GPS device. The field of location-based computing is in its infancy, but it’s very powerful. Fortunately, tapping into those hardware functions is something that iOS makes fairly easy.

Everything old is cool new again

Go Retro Unlimited

We need your help!

Here at Go Retro Unlimited, we value what’s old... what’s cool... and what’s forgotten.

Before Goonies made it to the iTunes Store, we were the ones still laughing at a certain broken statue on our old VHS tape. Before most people had their mixtapes anywhere but in a shoe box, we turned ours into iTunes playlists.

But now there’s a new casualty of culture: the phone booth! As people have been snatching up the newest, coolest iPhone, the phone booths you knew, loved, and never had enough quarters for are being bulldozed and removed! But we can preserve these phone booths forever!

We want phone booth photos to put on our iPads and iPhones... lots and lots of phone booths! We want ‘em from San Francisco, from Sydney, from Darfur. We want pictures, and we want locations. And that’s where you come in... we want an app that anyone with an iPhone or iPad can pull up anytime they see ...