Configure an ARCore session in iOS

Configure an ARCore session to build AR experiences for your app.

What is a session?

All AR processes, such as motion tracking, environmental understanding, and lighting estimation, happen inside an ARCore session. GARSession is the main entry point to the ARCore API. It manages the AR system state and handles the session lifecycle, allowing the app to create, configure, start, or stop a session. Most importantly, it enables the app to receive frames that allow access to the camera image and device pose.

The session can be used to configure the following features:

Configure a session

To use either the Cloud Anchors API or the Geospatial API, you have to create a GARSessionConfiguration with either the cloudAnchorMode or geospatialMode property:

Create a session in iOS

Next steps