iPhone Coding – Turbo Charging Your Apps With NSOperation
So, let’s face it, MANY applications in the app store are “Clunky”. They have jittery interfaces, poor scrolling performance, and the UI tends to lock up at times. The reason? DOING ANYTHING OTHER THAN INTERFACE MANIPULATION IN THE MAIN APPLICATION THREAD!
What do I mean by this? Well, I am essentially talking about multithreading your application. If you don’t know what is meant by multithreading, I suggest you read up on it and return to this post. Let’s dig in and I’ll give you an example of the problem.

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