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    <ol> <li><p>Making the effect is simple. You take the full-sized view, initialize its <code>transform</code> and <code>center</code> to position it on top of the thumbnail, add it to the appropriate superview, and then in an animation block reset the <code>transform</code> and <code>center</code> to position it in the final position. To dismiss the view, just do the opposite: in an animation block set <code>transform</code> and <code>center</code> to position it on top of the thumbnail, and then remove it completely in the completion block.</p> <p>Note that trying to zoom from a point (i.e. a rectangle with 0 width and 0 height) will screw things up. If you're wanting to do that, zoom from a rectangle with width/height something like 0.00001 instead.</p></li> <li><p>One way would be to do the same as in #1, and then call <code>presentModalViewController:animated:</code> with animated NO to present the actual view controller when the animation is complete (which, if done right, would result in no visible difference due to the <code>presentModalViewController:animated:</code> call). And <code>dismissModalViewControllerAnimated:</code> with NO followed by the same as in #1 to dismiss.</p> <p>Or you could manipulate the modal view controller's view directly as in #1, and accept that <code>parentViewController</code>, <code>interfaceOrientation</code>, and some other stuff just won't work right in the modal view controller since Apple doesn't support us creating our own container view controllers.</p></li> </ol>
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    1. POHow do I make an expand/contract transition between views on iOS?
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    1. POHow do I make an expand/contract transition between views on iOS?
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    1. COThanks. I'm unclear on what we'd be animating in part 2. Is it possible to animate the modal view controller's view before it's presented modally? In this case it would have to be added as a subview of the currently showing view controller, right? I'd be very interested to see some source code for this.
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      1. USJesse Crossen
    2. CO@JesseCrossen: For the first way in #2, you'd be animating some view that looks like the modal view controller's view. Could be just a "screenshot" created using CALayer's `renderInContext:`. For the second way, you would be manipulating the view controller's view directly.
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    3. COThanks for clarifying! I've found that non-standard manipulation of view controllers can be thorny in practice, which is why I asked about source code. I'll see how it works and let you know.
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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