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    <p>Autolayout can be very confusing at first. You actually don't want to set the contentSize of the scrollview anywhere. With a pure autolayout approach the scrollview sets its own content size. See the section on autolayout and <code>UIScrollView</code> in the <a href="http://developer.apple.com/library/ios/#releasenotes/General/RN-iOSSDK-6_0/_index.html">iOS 6 release notes</a>:</p> <blockquote> <p>The constraints on the subviews of the scroll view must result in a size to fill, which is then interpreted as the content size of the scroll view. (This should not be confused with the intrinsicContentSize method used for Auto Layout.)</p> </blockquote> <p>Note that this means that the constraints on the subviews of the scrollview must set explicit widths and heights and not use widths that vary based on aspects of the scrollview.</p> <p>The second error here is that you set the frame of the <code>UIImageView</code> to the size of the image. With autolayout this is also unnecessary. The <code>UIImageView</code> actually has an <code>intrinsicContentSize</code> which is the size of the underlying image. (To change this you should set constraints for width and height with a high priority) That means that with auto layout to place an image in a scrollview and have it scroll the correct code should be the following:</p> <pre><code>** nothing at all!!! ** </code></pre> <p>But theres still something you need to watch out for that could cause you to have an image that appears not to scroll and the hint is in the aforelinked release notes:</p> <blockquote> <p>Note that you can make a subview of the scroll view appear to float (not scroll) over the other scrolling content by creating constraints between the view and a view outside the scroll view’s subtree, such as the scroll view’s superview.</p> </blockquote> <p>i.e. if you set constraints in interface builder and constrain the image view to a view above the scrollview in the hierarchy it will affect how the view appears to scroll. Mad!</p> <p>Happy Coding...</p>
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    1. POEmbed ImageView in ScrollView with Auto Layout on iOS 6
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    1. COThanks. Your notes about setting the image view to have a high priority width/height helped me
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    2. COHey @jackslash was wondering if you know how to create a constraint between the view and the scroll view's superview (as an example). I've been trying for a while now and can't see how to do it.
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    3. CO@Ants That sounds like a whole new question to me! If you make one link it here so i see it.
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