subview
how to get access subview of UIView?
You can use view’s tag property: UIImageView *imageView1 = [[[UIImageView alloc] init] autorelease]; imageView1.tag = 100; UIImageView *imageView2 = [[[UIImageView alloc] init] autorelease]; imageView2.tag = 200; imageView2.alpha = 0; [cell.accessoryView addSubview:imageView1]; [cell.accessoryView addSubview:imageView2]; And later get subview using -viewWithTag: method: UIImageView *getImageView1 = (UIImageView*)[cell.accessoryView viewWithTag:100];
Check if a subview is in a view using Swift
You can use the UIView method isDescendantOfView: if mySubview.isDescendant(of: someParentView) { mySubview.removeFromSuperview() } else { someParentView.addSubview(mySubview) } You may also need to surround everything with if mySubview != nil depending on your implementation.
How can I insert a subview below the other subviews
If you Google UIView you’ll end up at the documentation – UIView Class Reference Then you need to look down the list of methods until you find something that sounds like it will roughly fit your needs like these two: – (void)insertSubview:(UIView *)view atIndex:(NSInteger)index and – (void)insertSubview:(UIView *)view belowSubview:(UIView *)siblingSubview At this point you just … Read more
What is the correct way to remove a subview from a view hierarchy and nuke it?
Try this: UIView *v = [self.containerView viewWithTag:[n integerValue]]; v.hidden = YES; [self.containerView bringSubviewToFront:v]; [v removeFromSuperview]; Another thing I just noticed from the UIView class document – see the last sentence: removeFromSuperview Unlinks the receiver from its superview and its window, and removes it from the responder chain. (void)removeFromSuperview Discussion If the receiver’s superview is not … Read more
Cannot put a google maps GMSMapView in a subview of main main view?
Based on other answers, here are three ways that actually work. Put a view on the XIB and change its class to GMSMapView in XIB builder. See *map1 below. Or… Code it all. Add the map as a subview of the main view. See *map2 below. Or… Add the map as a subview of another … Read more
UICollectionView cell subviews do not resize
I ran into the same issue just now. When using the UICollectionViewFlowLayoutDelegate method to set the cell size depending on device and device-orientation, the size would be calculated properly but subviews would not resize to fill the newly size cell. The effect was a large blank cell with small subviews that don’t fill the cell’s … Read more
When to use f:view and f:subview
<f:view> The <f:view> is only useful if you want to explicitly specify/override any of the available attributes such as locale, encoding, contentType, etc or want to attach some phase listeners. E.g. <f:view locale=”#{user.locale}” encoding=”UTF-8″ contentType=”text/html”> If you don’t specify it, then the sane JSF defaults will just be used instead, which is respectively UIViewRoot#getLocale(), UTF-8 … Read more
add UIImage in CALayer
This is a general answer for the sake of future viewers. It is based on the question title rather than the details of the original question. How to add a UIImage to a CALayer You can add an image to a view’s layer simply by using its contents property: myView.layer.contents = UIImage(named: “star”)?.cgImage Note that … Read more
Apple Interface Builder: adding subview to UIImageView
You cannot add a subview to UIImageView in interface builder for reasons only known to Apple! You are right in saying that you can addSubview programmatically, but then, the overhead of setting autoresizing masks and placements of subviews should all be handled in code, which is cumbersome. So there is an easy workaround. Instead of … Read more