Android 检查服务是否在运行详解编程语言

private Boolean isServiceRunning(String serviceName) { 
 
         ActivityManager activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE); 
            for (RunningServiceInfo runningServiceInfo : activityManager.getRunningServices(Integer.MAX_VALUE)) { 
                if (serviceName.equals(runningServiceInfo.service.getClassName())) { 
                    return true; 
                } 
            } 
            return false; 
    }