I have been struggling with this problem for some time and there seems to be no clear answer. Please let me know if anyone has figured this out.
I want to display a photo in a
UIScrollView that is centered on the screen (the image may be in portrait or landscape orientation).
I want to be able to zoom and pan the image only to the edge of the image as in the photos app.
I've tried altering the
contentInset in the
viewDidEndZooming method and that sort of does the trick, but there's several glitches.
I've also tried making the
imageView the same size as the
scrollView and centering the image there. The problem is that when you zoom, you can scroll around the entire
imageView and part of the image may scroll off the view.
I found a similar post here and gave my best workaround, but no real answer was found:
One elegant way to center the content of
Add one observer to the contentSize of your
UIScrollView, so this method will be called everytime the content change...
Now on your observer method:
You should change the
[pointer viewWithTag:100]. Replace by your content view
imageGallerypointing to your window size.
This will correct the center of the content everytime his size change.
NOTE: The only way this content don't works very well is with standard zoom functionality of the