UIView的iOS自动布局纵横比

Question

I need to expand my subview in iPad as aspected ratio of iPhone.

How can I do this using Autolayout ?

I had tried with view spacing constraint to all side and aspect ratio constraint to view .I had also decreased priority of spacing constraint but,I didn't get expected result.

Answer 1

您可以使用具有自动布局的尺寸类别，iphone肖像是紧凑的常规尺寸，而在ipad上，它可以是常规，常规等。因此，可以在不同的尺寸类别上安装不同的约束。