问题
I have followed many "Pinch to Zoom" tutorials I found online, and have done reading on AutoLayout, but I can't get it to work in my project.
My whole project uses AutoLayout, so I don't want to turn it off. I am loading a huge UIImage (EG: 5000px on long edge) into a UIImageView, and i'd like to be able to pinch to zoom and move around the zoomed in image.
I've tried using UIImageView inside a UISrollView, but I couldn't get it to work properly. The closest I could get was some random "glitching" where the image moved erratically when pinched.
Has anybody got 'Pinch to Zoom' to work using Autolayout in iOS 6? I don't care if it uses UIScrollView or something else, I'd just love to get it to work.
Thanks,
Isaac
来源：https://stackoverflow.com/questions/14513170/pinch-to-zoom-using-autolayout