请问HN：手机上的紧急警报是如何工作的？2 分•作者: rishikeshs•2 个月前•原帖我现在在阿联酋，这里受到战争的影响。昨晚醒来时收到了警报，想知道这背后是如何运作的。有没有关于其技术方面的优秀文章？查看原文I’m now in UAE which is affected by war. Woke up to an alert yesterday night and was wondering how this works. Any good write ups on its technical side?
