objective c - iOS size of auto layout view -

lets if have parent uiview in sub views have dynamic height. how can size of parent view (which has same height sum of sub views' height).

p.s. views created auto layout

or have add heights myself? wonder if there simpler way find parent view's height

if view uiview, can height of parent view (also called superview) with

view.superview.frame.size.height