IOS Picture Carousel Implementation Principle (three diagrams)

One of the principles of the IOS picture Carousel implementation

The picture carousel is about displaying different pictures in a display area by swiping.

When there are fewer pictures, we can do this by adding a lot of pictures to the scrolling view.

But if the number of pictures is large, loading too many pictures at once can waste memory and affect performance.

So we have to take a proper approach to the carousel of images.

Below we simply introduce a simple implementation principle in many methods.

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IOS Picture Carousel Implementation Principle (three diagrams)