#invalidateLayout
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jacob-cs · 7 years ago
Video
youtube
Swift: Create Facebook (Part 2) - UICollectionView, NSLayoutConstraint
my review point is 8/10
https://youtu.be/ZwBYQpLQAvw?t=8m15s   button style ( setTitle, setTitleColor , setImage , titleEdgeInsets)
https://youtu.be/ZwBYQpLQAvw?t=14m35s   equally spaced out elements 
https://youtu.be/ZwBYQpLQAvw?t=18m37s   refresh collection view when user change orientation ( viewWillTransitionToSize , invalidateLayout)
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