Resize superview while adding subviews dynamically with autolayout

Question

I have to show a popover on iPhone screen with multiple "Switch" controls. And to add and remove subviews on/from popover view with switch on/off actions respectively. For better illustration of the situation see below

images.

The above popover view first appears when user taps on a button. The popover has to stay always at the center of the screen and initially add contact switch will be in off condition. When turned on the below subviews has to be added on popover while keeping the popover in center of the screen and increasing the height of popover as per subviews.

And just like the above the popover view has to grow again in height with adding two more subviews when "Add mail" switch will be "ON". And finally look like this,

That's it. I am using auto-layout through out my application and this is where I am perplexed. I know I can remove the popovers and one more new each time but that seems to be kind of novice option. So is there any simple way to add subviews and expand its superview dynamically with auto-layout ? I've seen many questions with UILabel and working with respect to it's intrinsic content size but still unable to get any idea with this particular situation. Any help will be appreciated. Happy coding.

Answer 1

You can outlet height constraint of the view, and then set value accordingly to elements.