检测Service是否已启动

 public static boolean isServiceRunning(String serviceClassName){ 
        final ActivityManager activityManager = (ActivityManager)Application.getContext().getSystemService(Context.ACTIVITY_SERVICE); 
        final List<RunningServiceInfo> services = activityManager.getRunningServices(Integer.MAX_VALUE); 

        for (RunningServiceInfo runningServiceInfo : services) { 
            if (runningServiceInfo.service.getClassName().equals(serviceClassName)){ 
                return true; 
            } 
        } 
        return false; 
     }

Android检测Service是否正在运行