com.wikitude.tracker

Interface ImageTrackerListener

public interface ImageTrackerListener

Defines all necessary callbacks for ImageTrackers

Method Summary

Modifier and Type	Method and Description
void	onErrorLoadingTargets(ImageTracker tracker, WikitudeError error) Will be called if there was an error when loading the targets
void	onExtendedTrackingQualityChanged(ImageTracker tracker, ImageTarget target, int oldTrackingQuality, int newTrackingQuality) Called when the tracker is running in extended mode and the quality of the tracking changed
void	onImageLost(ImageTracker tracker, ImageTarget target) Will be called when an ImageTarget is lost by the tracker
void	onImageRecognized(ImageTracker tracker, ImageTarget target) Will be called when an ImageTarget is first recognized by the tracker
void	onImageTracked(ImageTracker tracker, ImageTarget target) Called repeatedly when the ImageTarget is tracked by the tracker
void	onTargetsLoaded(ImageTracker tracker) Will be called when the tracker successfully loaded the targets

Method Detail

onTargetsLoaded

void onTargetsLoaded(ImageTracker tracker)

Will be called when the tracker successfully loaded the targets

Parameters:

tracker - The ObjectTracker which loaded the targets

onErrorLoadingTargets

void onErrorLoadingTargets(ImageTracker tracker,
                           WikitudeError error)

Will be called if there was an error when loading the targets

Parameters:

tracker - The ObjectTracker which caused the error

error - The error object describing the issue.

onImageRecognized

void onImageRecognized(ImageTracker tracker,
                       ImageTarget target)

Will be called when an ImageTarget is first recognized by the tracker

Parameters:

tracker - The ObjectTracker that recognized the target

target - Contains information about the tracked ImageTarget

onImageTracked

void onImageTracked(ImageTracker tracker,
                    ImageTarget target)

Called repeatedly when the ImageTarget is tracked by the tracker

Parameters:

tracker - The ObjectTracker that is tracking the target

target - Contains information about the tracked ImageTarget

onImageLost

void onImageLost(ImageTracker tracker,
                 ImageTarget target)

Will be called when an ImageTarget is lost by the tracker

Parameters:

tracker - The ObjectTracker that lost the target

target - Contains information about the tracked ImageTarget

onExtendedTrackingQualityChanged

void onExtendedTrackingQualityChanged(ImageTracker tracker,
                                      ImageTarget target,
                                      int oldTrackingQuality,
                                      int newTrackingQuality)

Called when the tracker is running in extended mode and the quality of the tracking changed

Parameters:

tracker - The ImageTracker that is running in extended mode

target - Contains information about the tracked ImageTarget

oldTrackingQuality - The previous tracking quality

newTrackingQuality - The current tracking quality