Hide, show, or resize an App Preview in Swift Playgrounds on Mac

App playgrounds have an App Preview that displays the results of the code in the app. The App Preview appears by default in the right sidebar of the app and is updated automatically when the code is changed.

If you don’t see the App Preview, you can make it appear by clicking at the top right.

A date planner app, showing sample code on the left and the result of the code in the App Preview on the right. Above the coding area is a brief description of the app, with a Learn More button you can click to find out more about the app.

Do any of the following:

Hide or show the App Preview: Click .
Resize the App Preview: Drag the border between the App Preview and the coding area.
Expand the App Preview to the full window width: Click .
Return the App Preview to its regular size and location: Click .

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