How to bring a subview to the front when you click it?

Question

I have a view with approximately 30 subviews on it. I want to add code to my subview view manager, so when I click subview, the subview expands to fill the screen.

I use [self.view setFrame:rect] to extend the subview, and it works fine. The problem is that some of the other 29 subzones above the supervision I just clicked on, so they are still visible.

I tried using bringSubviewToFront from the parent view controller, but this does not seem to have any effect. Is there any code that I can add to the subview viewcontroller class to make this happen?

Answer 1

bringSubviewToFront should work, just make sure you use it correctly. Using.

 [parentView bringSubviewToFront:childView]; 

Answer 2

Use this code even if you do not know about superView:

In objective-c:

 [subview.superview bringSubviewToFront: subview]; 

Quickly:

 subview.superview?.bringSubview(toFront: subview) 

Answer 3

In objective-c:

 [self.superview bringSubviewToFront: subview]; 

In swift2.3:

 self.superview!.bringSubviewToFront(subview) 

In swift3.1.1:

 superview.bringSubview(toFront: subview) 

Answer 4

For ease of use, the extension in Swift 3

 extension UIView { func bringToFront() { self.superview?.bringSubview(toFront: self) } }