Detect if service is running in android. From http://stackoverflow.com/questions/600207/android-check-if-a-service-is-running

isMyServiceRunning.java

private boolean isMyServiceRunning() {
        ActivityManager activityManager = (ActivityManager)getSystemService(ACTIVITY_SERVICE);
        for (ActivityManager.RunningServiceInfo serviceInfo: activityManager.getRunningServices(Integer.MAX_VALUE)) {
                if (ShakeLockService.class.getName().equals(serviceInfo.service.getClassName())) {
                        return true;                                    
                }
        }                                                                               
        return false;
}