ServiceHelper.java

package com.nolanlawson.apptracker.helper;

import java.util.List;

import com.nolanlawson.apptracker.AppTrackerService;
import com.nolanlawson.apptracker.util.UtilLogger;

import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;

public class ServiceHelper {

	private static UtilLogger log = new UtilLogger(ServiceHelper.class);
	
	public static synchronized void stopBackgroundServiceIfRunning(Context context) {
		boolean alreadyRunning = ServiceHelper.checkIfAppTrackerServiceIsRunning(context);
		
		log.d("Is AppTrackerService is running: %s", alreadyRunning);
		
		if (alreadyRunning) {
			Intent intent = new Intent(context, AppTrackerService.class);
			context.stopService(intent);
		}
		
	}
	
	public static synchronized void startBackgroundServiceIfNotAlreadyRunning(
			Context context) {
		
		boolean alreadyRunning = ServiceHelper.checkIfAppTrackerServiceIsRunning(context);
		
		log.d("Is AppTrackerService already running: %s", alreadyRunning);
		
		if (!alreadyRunning) {

			Intent intent = new Intent(context, AppTrackerService.class);
			context.startService(intent);
		}
	}
	
	public static boolean checkIfAppTrackerServiceIsRunning(Context context) {
		
		return checkIfServiceIsRunning(context, "com.nolanlawson.apptracker.AppTrackerService");
	}

	public static boolean checkIfUpdateAppStatsServiceIsRunning(Context context) {
		return checkIfServiceIsRunning(context, "com.nolanlawson.apptracker.UpdateAppStatsService");
	}
	
	private static boolean checkIfServiceIsRunning(Context context, String serviceName) {
		
		ComponentName componentName = new ComponentName("com.nolanlawson.apptracker", serviceName);
		
		ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

		List<ActivityManager.RunningServiceInfo> procList = activityManager.getRunningServices(Integer.MAX_VALUE);

		if (procList != null) {

			for (ActivityManager.RunningServiceInfo appProcInfo : procList) {
				if (appProcInfo != null && componentName.equals(appProcInfo.service)) {
					log.d("%s is already running", serviceName);
					return true;
				}
			}
		}
		log.d("%s is not running", serviceName);
		return false;	
	}
}