I ended up using self.view.transform = CGAffineTransformScale(CGAffineTransformIdentity, 2, 2); It allowed me to keep the design created in the Interface Builder. Unfortunately the sharpness of the image suffers in that case, but this is a small price to pay compared to scripting the whole design programmatically.
The filter function using the is operator can filter items of a specific class. let myViews = view.subviews.filter{$0 is MyButtonClass} MyButtonClass is the custom class to be filtered for. To filter and cast the view to the custom type use compactMap let myViews = view.subviews.compactMap{$0 as? MyButtonClass}
try this: self.view.layer.zPosition = 1;
The only difference is in where the view is added: whether it is the frontmost view (addSubview:), or it is before the 5th subview, (insertSubview:atIndex:) or if it is immediately behind another subview (insertSubview:aboveSubview:).
Use recursion: // UIView+HierarchyLogging.h @interface UIView (ViewHierarchyLogging) – (void)logViewHierarchy; @end // UIView+HierarchyLogging.m @implementation UIView (ViewHierarchyLogging) – (void)logViewHierarchy { NSLog(@”%@”, self); for (UIView *subview in self.subviews) { [subview logViewHierarchy]; } } @end // In your implementation [myView logViewHierarchy];
You have to recursively iterate the sub views. – (void)listSubviewsOfView:(UIView *)view { // Get the subviews of the view NSArray *subviews = [view subviews]; for (UIView *subview in subviews) { // Do what you want to do with the subview NSLog(@”%@”, subview); // List the subviews of subview [self listSubviewsOfView:subview]; } }
A storyboard “container view” is just a standard UIView object. There is no special “container view” type. In fact, if you look at the view hierarchy, you can see that the “container view” is a standard UIView: To achieve this programmatically, you employ “view controller containment”: Instantiate the child view controller by calling instantiateViewController(withIdentifier:) on … Read more
Edit: With thanks to cocoafan: This situation is muddled up by the fact that NSView and UIView handle things differently. For NSView (desktop Mac development only), you can simply use the following: [someNSView setSubviews:[NSArray array]]; For UIView (iOS development only), you can safely use makeObjectsPerformSelector: because the subviews property will return a copy of the … Read more