Simple question about storyboard

Hi everyone, I am a newbie in iOS field. I have a question about storyboard. If I use storyboard in a project, is this project is not compatible for iOS 4.3.3? Jingwei Xu -- ICS Group State Key Laboratory for Novel Software Technology Department of Computer Science and Technology Nanjing

How to move UIImageView in order to always keep image's head forward?

it. But values to tx and ty is in UIImageView's coordinate system and that system won't be rotated even UIImageView rotated. My question is: Is there any easy way to get the value of tx and ty so that we could keep UIImageView move straightforward? Even the direction of image's head