IPhone ImageView movement problems

How to make a imageview can move in a rectangular area. Effects and moving pictures, as in scrollview, when the image is moved to the border will not be able to continue to move in the direction of the sound, but still able to move in the other direction.

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Detection position, to a limit, again the other direction, so-called mobile is changing positions.
The key problem is there is no splash screen.
I think we should use 2D or 3D to achieve this functionality, such as: OpenGL ES
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The reply was deleted at the moderator 2011-04-14 09:02:01

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Directly determine the x and y coordinates of imageview ah. When x a number of hours, it is not moved.
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The reply was deleted at the moderator 2012-04-06 15:06:14