I have a UITableView running under iOS 8 and I’m using automatic cell heights from constraints in a storyboard. One of my cells contains a single UITextView and I need it to contract and expand based on user input – tap to shrink/expand the text. I’m doing this by adding a runtime constraint to the … Read more
Been encountering this error a lot in my OS X using swift: “This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes. This will cause an exception in a future release.” I have a my NSWindow and I’m swapping in views to the contentView of … Read more
I opened an existing iOS project with Xcode6 beta6, and Xcode lists the following warning for both Storyboard and Xib files: Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0 I tried addressing the warning by setting the width as explicit like below: Yet this didn’t resolve the warnings. How … Read more
I want to use AutoLayout to size and layout a view in a manner that is reminiscent of UIImageView’s aspect-fit content mode. I have a subview inside a container view in Interface Builder. The subview has some inherent aspect ratio which I wish to respect. The container view’s size is unknown until runtime. If the … Read more
I have designed my custom Cell in IB, subclassed it and connected my outlets to my custom class. I have three subviews in cell content which are: UIView (cdView) and two labels (titleLabel and emailLabel). Depending on data available for each row, sometimes I want to have UIView and two labels displayed in my cell … Read more
I simply want flowing text on the left, and a help box on the right. The help box should extend all the way to the bottom. If you take out the outer StackPanel below it works great. But for reasons of layout (I’m inserting UserControls dynamically) I need to have the wrapping StackPanel. How do … Read more
I’m trying to figure this out since last week without going any step further. Ok, so I need to apply some constraints programmatically in Swift to a UIView using this code: var new_view:UIView! = UIView(frame: CGRectMake(0, 0, 100, 100)); new_view.backgroundColor = UIColor.redColor(); view.addSubview(new_view); var constX:NSLayoutConstraint = NSLayoutConstraint(item: new_view, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self.view, attribute: … Read more
Is there a good way to adjust the size of a UITextView to conform to its content? Say for instance I have a UITextView that contains one line of text: “Hello world” I then add another line of text: “Goodbye world” Is there a good way in Cocoa Touch to get the rect that will … Read more
Fellow devs, I am having trouble with AutoLayout in Interface Builder (Xcode 5 / iOS 7). It’s very basic and important so I think everyone should know how this properly works. If this is a bug in Xcode, it is a critical one! So, whenever I have a view hierarchy such as this I run … Read more
I can’t find a clear answer on Apple documentation regarding Cocoa Autolayout about the difference between content hugging and compression resistance. Can somebody explain their usages and difference ? 8 s 8 A quick summary of the concepts: Hugging => content does not want to grow Compression Resistance => content does not want to shrink … Read more
