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Bite-sized screencasts on iOS and Mac development.

There are 3 episodes with tag 'uicollectionview'   Clear search
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#226
226 lets build activity plus plus part 4
In this episode we examine the scrolling performance of our activity ring views. We see that framerate suffers when scrolling quickly, then apply a few changes to bring scrolling performance back to 60 frames per second.
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#225
225 lets build activity plus plus part 3
This week we take our ring views and use them to create a collection view of rings, one for each day in an entire year.
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#215
215 custom dragging with collectionview
In this episode we add a custom drag behavior to reorder collection view cells. UICollectionViewController gives us some of this behavior, but to add transforms, shadows, and animation we'll have to implement our own.