Objective c: Sliding?

I'm not really sure what's this called, but I'm working on a game that involves basically catching a falling object, or image, by holding your finger on it and then flicking it upwards. How would I code an image view to respond to my finger to basically change it's position on the screen.

I'm pretty new to iO开发者_开发技巧S programming I don't even know where I would start

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Take a look at Apple's MoveMe sample project. It does exactly what you're looking for.

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Objective-C is the language, Cocoa Touch is the framework that deals with touches and image views and such. Changed tags to match.