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Stretchy Header UIScrollView
Tinder Firestore Swipe and Match
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A very fun thing to do in a lot of these apps is pulling down on lists and zooming in on the header image. Thus its not surprising that this feature is found in many popular apps on the Appstore. In today's video, I'll show you how to utilize a scrollview and its content offset to implement this effect. The math is surprisingly straightforward once you understand how the offset is changing over time as you drag downwards.

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