iPhone SDK 3.0 – What’s In It?

by iPhone Observer

It’s already there for beta testers and, as one of them, I can tell you that this new 3.0 SDK is something really, really interesting. From the ability to send email from within your application, up to the new Store Kit API, there are tons of improvments and new features. In the following article I will outline the goodies that attracted me the most.

In App Payment

With this feature you can set a selling object in your application and allow the user to buy it. The pruchase is made through App Store, and the buyer will use the same credentials as for his iTunes account. The selling object can be anything: a game level, an unlocked feature, anything. I really think this will open a whole new stream of revenue both for Apple and for iPhone developers.

Push

The long awaited feature is here: now your application can have PUSH notifications via a programable API. What does this mean: you can set up a web server, link it with your iPhone app and then send from that server to your iPhone app various notifications, without the need for your app to be running. The service is using a special layer in the iPhone architecture that allows for unlimited listening capabilities. You can put whatever events you want in your PUSH container from email notifications to various reminders.

Peer To Peer

I think this will really transform the world of gaming. Using this API you can create a peer to peer connection via Bluetooth (or any other protocol, if you want to) and ask for an available peer to join you. He can join in a game, in a collaborative app, in whatever you dare to think and invent. The API is looking clean enough and easy to use. That’s a huge breaktrough.

If you put together In App Payment, Push and Peer To Peer, you can tell already that the next generation iPhone apps will surely be interesting, To say the least.

There are several others novelties, like copy and paste API, but these are really just natural improvements. Specifically for copy and paste, this functionality was already implemented by several respected apps in App Store. Also, one thing that will remind you about Spotlight (yes, this is for you, Mac users) is the ability to search the entire iPhone from within a single point.

All in all, iPhone SDK 3.0, even still in beta, is filled with jewels.

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