When a UI file is opened in Xcode, an IB canvas will replace the standard editor area. The options in the Utility sidebar will be expanded and that will be where you will find the object library that contains all of the UI elements you can use.
To start off, let's create a new iOS project by navigating to File | New | Project. Then, select Single View Application and save the project on your Mac; click on the
Main.storyboard file in the project navigator to start editing your UI.
Until Xcode 4 was released in 2011, IB was a separate program from Xcode. IB functionality is only used when interacting with
The editor area of Xcode has now become the canvas. This is the area where you will ...