As you create your application you can observer your changes in real time inside Automatic Preview Window.
● By default it only shows visual changes without support for interaction
● By pressing Live Preview Arrow it will also allow you to interact with application (pressing Button or enterinf text)
It stops when you run your App in Simulator so you have to press Resume button to get it going again.
Use Adjust Editor Options
● Show Editor Only hides Automatic Preview Window
● Canvas shows or hides Automatic Preview Window
● Layout allows you to position Automatic Preview Window on Right or on Bottom
Settings
● Automatic Preview - Show/Hide
● Automatic Preview - Below Code
● Automatic Preview - Landscape
XCode Interface
Adjust Editor Options