Android判断后台服务是否开启的方法

//    public boolean isServiceWork(Context mContext, String serviceName) {
//        boolean isWork = false;
//        ActivityManager myAM = (ActivityManager) mContext
//                .getSystemService(Context.ACTIVITY_SERVICE);
//        List<ActivityManager.RunningServiceInfo> myList = myAM.getRunningServices(40);
//        if (myList.size() <= 0) {
//            return false;
//        }
//        for (int i = 0; i < myList.size(); i++) {
//            String mName = myList.get(i).service.getClassName().toString();
//            if (mName.equals(serviceName)) {
//                isWork = true;
//                break;
//            }
//        }
//        return isWork;
//    }

private boolean isServiceRunning(String ServicePackageName) {
ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
if (ServicePackageName.equals(service.service.getClassName())) {
return true;
}
}
return false;
}