Jeroen van Rijn
I love to write tutorials for Tuts+ and share my knowledge of iOS SDK development. I currently have several products in the App Store. My favorite is called Play It. Check it out! It's a fun and useful app to control your music with innovative yet simple gestures.
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    iOS SDK: Game Center Achievements and Leaderboards - Part 2Iphone sdk game center preview
    Welcome to the second and final part of the Game Center Tutorial Series. In this tutorial, we will integrate the achievements and leaderboards created with iTunesConnect during part 1 with Objective-C and Xcode.Read More…
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    iOS SDK: Game Center Achievements and Leaderboards - Part 1Iphone sdk game center preview
    This is the first part of a step-by-step tutorial on how to use Game Center in your app. Game Center is supported since iOS 4.1. It's Apple's new social network. Game Center enables users to track their best score on a leaderboard, compare their achievements, invite friends to play a game, and start a game through auto-matching. This tutorial is only useful if you are a paid developer, because if you are not, you can't setup the Game Center achievements and leaderboard in iTunes Connect. In the firts part we will create our project and create a new app in iTunes Connect with achievements and a leaderboard for this tutorialRead More…