滚动视图不滚动到顶部

Question

As you can see from the video, when the code is built and ran, the Red View is 0px from the top edge. But after scrolling down and tapping the status bar to return to the top, there is a gap between the top of the screen and Red View (ie the black area).

GIF of Simulator

What can I do to resolve the issue if the intended behaviour is for the Red View to be 0px from the top of display when the user scroll up to the very top?

Answer 1

Try setting a minus value for the scrollviews content inset:

scrollView.contentInset = UIEdgeInsets(top: -40, left: 0, bottom: 0, right: 0)

Your could also check the safe area.

This is a normal behavior in iOS. iOS will try to leave room for the status bar if you are using safe areas.