ARSessionObserver

Declaration

protocol ARSessionObserver : NSObjectProtocol

Mentioned in

• Managing Session Life Cycle and Tracking Quality

Overview

This protocol defines optional methods common to the ARSessionDelegate, ARSCNViewDelegate, and ARSKViewDelegate protocols. You can implement this protocol’s methods when adopting one of those protocols.

Topics

Responding to Tracking Quality Changes

• session(_:cameraDidChangeTrackingState:)
• session(_:didChange:)

Handling Interruptions

• sessionWasInterrupted(_:)
• sessionInterruptionEnded(_:)
• sessionShouldAttemptRelocalization(_:)

Receiving Audio Data

• session(_:didOutputAudioSampleBuffer:)

Handling Errors

• session(_:didFailWithError:)
• ARErrorDomain

Managing Collaboration

• session(_:didOutputCollaborationData:)

Relationships

Inherits From

• NSObjectProtocol

Inherited By

• ARSCNViewDelegate
• ARSKViewDelegate
• ARSessionDelegate

See Also

Responding to events

• delegate
• delegateQueue
• ARSessionDelegate