public interface ARTrackingListener

Observes changes to a session’s overall tracking quality. Register through ARSession#addTrackingListener(ARTrackingListener); events are delivered on the EDT.

Methods

public abstract void trackingStateChanged(ARSession session, ARTrackingState state, ARTrackingFailureReason reason) Invoked on the EDT when the session’s tracking state changes.

Method details

trackingStateChanged

public abstract void trackingStateChanged(ARSession session, ARTrackingState state, ARTrackingFailureReason reason)

Invoked on the EDT when the session’s tracking state changes.

Parameters

session ARSession: the session whose state changed
state ARTrackingState: the new tracking state
reason ARTrackingFailureReason: why tracking is degraded, or ARTrackingFailureReason#NONE when it is not