最后一次接触被修改 [英] Last time the contact was modified

问题描述

有没有办法找出最后一次接触被修改？ 我似乎无法找到一个变量它。我问的原因是因为我想要做的联系人同步到我的Web服务器，我不觉得自己检查与是否需要更新一个HTTP请求每个联系人。

is there a way to find out the last time a contact was modified? I can't seem to find a variable for it. The reason I'm asking is because I'd like to do a sync of the contacts to my web server and I don't feel like checking for each contact with a HTTP request if it needs updating.

所以，我在想检查的最后更新日期到最后同步的日期。

So I was thinking to check the date of the last update to the date of the last sync.

推荐答案

没有找到一个方法来做到这一点。我可以存储上次同步日期，但没有办法检查是否接触就是从那时起更新的。

Didn't find a way to do this. I can store the last sync date, but no way of checking if the contact was updated since then.

编辑：

联系人有一个肮脏的标志，它被设置为1，如果接触被改变，而不会同步。

the contact has a DIRTY flag, which is set to 1 if the contact was changed and not synced.

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