HashMap<String, Object> config = new HashMap<String, Object>();
config.put(MediaConstants.Config.CHANNEL, "custom-channel"); // Override channel configured in the Data Collection UI
config.put(MediaConstants.Config.DOWNLOADED_CONTENT, true); // Creates downloaded content tracker
MediaTracker mediaTracker = Media.createTracker(config); // Use the instance for tracking media.
Media.createTracker(config, new AdobeCallback<MediaTracker>() {
public void call(MediaTracker mediaTracker) {
// Use the instance for tracking media.