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One of the most impressive talks for me at WWDC 2010 was session 306 - "Automating Use Interface Testing with Instruments". I've been wanting to check it out ever since iOS 4 was released. A couple of weeks ago, I finally had a chance to give it a test ride using our very own App "I think I spider".


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hero-gamecenter.png On Wednesday, I'll be giving a presentation on Apple's Game Center at the local CocoaHeads Group, here in Karlsruhe.

Game Center is Apple's social gaming network, that lets you invite friends to play, share your highscore and achievements through leaderboards and it even auto-matches you with other players for online-multiplayer games.

If you are interested in getting to know more about Game Center, drop by RetroGames on Wednesday 24th of November at 19:00.


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I Think I SpiderWhen you enable Apple Push Notifications (APN) for your App, your device generates a unique device token and pass it to the didRegisterForRemoteNotificationsWithDeviceToken method in your App delegate. Usually, you'll hand the token to your server in order for it to push notifications to your device.

There are different tokens for production and sandbox, depending on which provisioning profile you build/sign your App with. One more gotcha, you need to be aware of when it comes to those device tokens: don't mix production and sandbox tokens!