how to Check application is running or not in through background service in Android ?

// get a list of running processes and iterate through them

            ActivityManager am = (ActivityManager) this

                    .getSystemService(ACTIVITY_SERVICE);

            // get the info from the currently running task

            List<ActivityManager.RunningTaskInfo> taskInfo = am.getRunningTasks(1);

            Log.d("current task :", "CURRENT Activity ::"

                    + taskInfo.get(0).topActivity.getClass().getSimpleName());

            ComponentName componentInfo = taskInfo.get(0).topActivity;

            Intent i;

            //if  app is running

            if(componentInfo.getPackageName().equalsIgnoreCase(*Package Name*))

            {

                //do the implementation for if your app is running

            }