Interface ARTrackingListener

public interface ARTrackingListener

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

Method Summary

Modifier and Type	Method	Description
void	trackingStateChanged(ARSession session, ARTrackingState state, ARTrackingFailureReason reason)	Invoked on the EDT when the session's tracking state changes.

Method Details

trackingStateChanged

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

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

Parameters

• session: the session whose state changed

• state: the new tracking state

• reason: why tracking is degraded, or ARTrackingFailureReason#NONE when it is not