TimelineObserver.java

package com.tuit.ar.models.timeline;

import com.tuit.ar.models.Timeline;

public interface TimelineObserver {
	public void timelineRequestStarted(Timeline timeline);
	public void timelineRequestFinished(Timeline timeline);
	public void timelineHasChanged(Timeline timeline);
	public void timelineUpdateHasFailed(Timeline timeline, String message);
}