/**     * 判断服务是否后台运行     *      * @param context     *            Context     * @param className     *            判断的服务名字     * @return true 在运行 false 不在运行     */    public static boolean isServiceRun(Context mContext, String className) {        boolean isRun = false;        ActivityManager activityManager = (ActivityManager) mContext                .getSystemService(Context.ACTIVITY_SERVICE);        List<ActivityManager.RunningServiceInfo> serviceList = activityManager                .getRunningServices(40);        int size = serviceList.size();        for (int i = 0; i < size; i++) {            if (serviceList.get(i).service.getClassName().equals(className) == true) {                isRun = true;                break;            }        }        return isRun;    }

   boolean isRun = isServiceRun(getApplicationContext(), "com.baidu.location.f");