关于判断 iMessage - V2EX

关于判断 iMessage - V2EX

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这是一个创建于 3349 天前的主题，其中的信息可能已经有所发展或是发生改变。

我给一个陌生的手机号码发短信， ios 是如何判断是发 iMessage 还是普通短信的？这个是怎么做到的？

2 条回复 2016-10-28 17:52:58 +08:00

1

pH

2016-10-28 16:07:08 +08:00

会向后台查询

2

SilentDepth

2016-10-28 17:52:58 +08:00

输入一个有效号码 /地址后，设备向服务器询问这个号码 /地址当前是否支持 iMessage 消息，支持就变蓝

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