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Interface Builder

Xcode's visual tool for designing UI components and creating storyboards.

About Interface Builder

Interface Builder is a visual design tool integrated with Xcode that allows developers to create user interfaces without writing code.

Key Features

Drag-and-drop interface creation
Visual constraint editing
Live interface preview
Storyboard segues
Prototype cells

Code Example

// Loading a view from a nib/xib file
let nib = UINib(nibName: "CustomView", bundle: nil)
let view = nib.instantiate(withOwner: self, options: nil).first as! UIView

Resources