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Autolayout scrollView Properly

Shane Qi • 2016-09-12 18:45

When I have to use a scrollView, I prefer put another scrollView inside the main view of viewController, even the scrollView is the only view in the main view of viewController. And I strongly suggests others use it this way other than make main view of viewController a scrollView. This approach is scalable.

What I was trying to solve is that when I show this scrollView viewController from a navigationController, the navigation bar overlaps some content of my scrollView.

I figured out there are two ways to do such things: = TopLayoutGuide.bottom
    scrollView.bottom = =
    scrollView.bottom =