gistfile1.java

package earthquake_detector;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;

import com.buglabs.bug.accelerometer.pub.IAccelerometerSampleProvider;
import com.buglabs.bug.swarm.connector.pub.ISwarmConnector;
import com.buglabs.application.ServiceTrackerHelper;

public class Activator implements BundleActivator {

	private String services[] = new String[] {
			ISwarmConnector.class.getName(), 
			IAccelerometerSampleProvider.class.getName()
			};
	private ServiceTracker st; 
	
	public void start(BundleContext context) throws Exception {
		st = ServiceTrackerHelper.openServiceTracker(context, services, new Monitor());
	}

	public void stop(BundleContext context) throws Exception {
		st.close();
	}
}