Top "Interface-builder" questions

Interface Builder is a visual design tool used to create user interfaces for Apple's macOS and iOS platforms.

Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error?

I'm trying to link a UILabel with an IBOutlet created in my class. My application is crashing with the following …

ios macos cocoa cocoa-touch interface-builder
How to load a UIView using a nib file created with Interface Builder

I'm trying to do something a bit elaborate, but something that should be possible. So here is a challenge for …

iphone objective-c ios cocoa-touch interface-builder
UIScrollView Scrollable Content Size Ambiguity

Fellow devs, I am having trouble with AutoLayout in Interface Builder (Xcode 5 / iOS 7). It's very basic and important so I …

ios swift uiscrollview autolayout interface-builder
Loaded nib but the 'view' outlet was not set

I added a new nib file to my project, and tried to load it. However, when I click on the …

ios cocoa-touch interface-builder xib
Xcode 6 Bug: Unknown class in Interface Builder file

I upgraded to Xcode 6 beta 4 and now my App continuously crashes with the message Unknown class X in Interface Builder …

ios xcode xcode6 interface-builder uistoryboard
Cocoa Touch: How To Change UIView's Border Color And Thickness?

I saw in the inspector that I can change the background color, but I'd like to also change the border …

ios objective-c iphone cocoa-touch interface-builder
How to deselect a selected UITableView cell?

I am working on a project on which I have to preselect a particular cell. I can preselect a cell …

ios objective-c iphone uitableview interface-builder
How to use auto-layout to move other views when a view is hidden?

I have designed my custom Cell in IB, subclassed it and connected my outlets to my custom class. I have …

ios iphone cocoa-touch interface-builder autolayout
"Unknown class <MyClass> in Interface Builder file" error at runtime

Even though Interface Builder is aware of a MyClass, I get an error when starting the application. This happens when …

cocoa cocoa-touch xcode interface-builder
IBOutlet and IBAction

What is the purpose of using IBOutlets and IBActions in Xcode and Interface Builder? Does it make any difference if …

objective-c swift interface-builder iboutlet ibaction