if (platfromTracker != null) { platfromTracker.close(); platfromTracker = null;
if (platformTracker != null) { platformTracker.close(); platformTracker = null;
	void closeServices() {		if (debugTracker != null) {			debugTracker.close();			debugTracker = null;		}		if (bundleTracker != null) {			bundleTracker.close();			bundleTracker = null;		}		if (configurationLocationTracker != null) {			configurationLocationTracker.close();			configurationLocationTracker = null;		}		if (platfromTracker != null) {			platfromTracker.close();			platfromTracker = null;		}	}