DefaultSensorRegistrationService.java

package nl.sense_os.service.commonsense;
import nl.sense_os.service.constants.SensePrefs;

import android.app.IntentService;
import android.content.Intent;
import android.content.SharedPreferences;
import android.util.Log;

/**
 * Service that checks if all the sensors on this phone are registered at CommonSense.<br/>
 * <br/>
 * TODO: Also registers the app for GCM notifications, but this should probably be moved somewhere
 * else to keep the code transparent.
 * 
 * @author Steven Mulder <steven@sense-os.nl>
 * 
 * @see DefaultSensorRegistrator
 */
public class DefaultSensorRegistrationService extends IntentService {

	private static final String TAG = "DefaultSensorRegistrationService";
	private SensorRegistrator verifier = new DefaultSensorRegistrator(this);

	public DefaultSensorRegistrationService() {
		super("DefaultSensorRegistrationService");
	}

	@Override
	protected void onHandleIntent(Intent intent) {

		SharedPreferences mainPrefs = getSharedPreferences(SensePrefs.MAIN_PREFS, MODE_PRIVATE);
		long lastVerified = mainPrefs.getLong(SensePrefs.Main.LAST_VERIFIED_SENSORS, 0);
		if (System.currentTimeMillis() - lastVerified < 1000l * 60) { // 1 minute
			// registered sensors were already recently checked
			Log.v(TAG, "Sensor IDs were just verified already");
			return;
		}

		String deviceType = SenseApi.getDefaultDeviceType(this);
		String deviceUuid = SenseApi.getDefaultDeviceUuid(this);

		if (verifier.verifySensorIds(deviceType, deviceUuid)) {
			Log.v(TAG, "Sensor IDs verified");
			mainPrefs.edit()
					.putLong(SensePrefs.Main.LAST_VERIFIED_SENSORS, System.currentTimeMillis())
					.commit();
		} else {
			// hopefully the IDs will be checked again
		}
	}

	@Override
	public void onDestroy() {
		super.onDestroy();
	}
}