UDID和UUID之间的差异 [英] Differences between UDID and UUID

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本文介绍了UDID和UUID之间的差异的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

有些人说 UDID (唯一设备标识符) ,有些人说 UUID (通用唯一标识符) 。它们是否相同?它们之间有什么区别?

Some people say UDID (Unique Device IDentifier) and some say UUID (Universally Unique IDentifier). Are they are the same or not? What are the differences between them?

推荐答案

UUID(通用唯一标识符)基于每个应用程序。标识设备上的应用。只要用户没有完全删除应用程序,那么此标识符将在应用程序启动之间保持不变,并且至少允许您使用设备上的特定应用程序识别同一用户。不幸的是,如果用户完全删除并重新安装应用程序,则ID将会更改。

UUID (Universally Unique IDentifier) Is on a per-app basis. identifies an app on a device. As long as the user doesn’t completely delete the app, then this identifier will persist between app launches, and at least let you identify the same user using a particular app on a device. Unfortunately, if the user completely deletes and then reinstalls the app then the ID will change.

UDID(唯一设备标识符)
由40个十六进制字符组成的序列,用于唯一标识ios设备。可以通过iTunes检索此值,也可以使用UIDevice -uniqueIdentifier找到该值。源自MAC地址等硬件详细信息。

UDID (Unique Device Identifier) A sequence of 40 hexadecimal characters that uniquely identify an ios device. This value can be retrieved through iTunes, or found using UIDevice -uniqueIdentifier. Derived from hardware details like MAC address.

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