是否APNS设备令牌不断改变，一旦创造出来的？ [英] Does the APNS device token ever change, once created?

问题描述

在创建并推送通知设备令牌过改变吗？

Once created does the push notification device token ever change?

示例时，应用程序更新？或在任何其他情况下，它可以改变??

Example when the app is updated? or in any other case it can change??

推荐答案

从<一个href=\"http://developer.apple.com/library/ios/#documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/ApplePushService/ApplePushService.html#//apple_ref/doc/uid/TP40008194-CH100-SW12\">Apple文档ApplePushService

令牌信任的这个阶段的形式确保只有的APN生成
  令牌它将后履行，它可以保证本身一
  令牌传递给它由设备是同样的道理，它previously
  置备该特定设备并且仅用于该设备

The form of this phase of token trust ensures that only APNs generates the token which it will later honor, and it can assure itself that a token handed to it by a device is the same token that it previously provisioned for that particular device—and only for that device.

如果用户备份数据还原到一个新的设备，或重新安装
  操作系统，设备令牌的变化。

If the user restores backup data to a new device or reinstalls the operating system, the device token changes.

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