iOS-此UIPageViewController是由UISegmentedControl控制还是这是什么? [英] iOS - Is this UIPageViewController controlled by UISegmentedControl, or what is this?

问题描述

该UIPageViewController如何由似乎是UISegmentedControl的标头控制?

How this UIPageViewController can be controlled by this header which seems to be UISegmentedControl?

推荐答案

顶部的栏看起来像是带有有趣指示线的自定义控件. 这可以通过将2个视图控制器并排放置在UIScrollView上来实现. 在UIScrollViewDelegate中，实现scrollViewDidScroll并相应地更新指示器线的偏移量.

The top bar looks like a custom control with an interesting indicator line. This could be accomplished by putting the 2 view controllers on a UIScrollView side by side. In the UIScrollViewDelegate implement scrollViewDidScroll and update the indicator line offset accordingly.

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