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android - C2DM message expiration

问题描述:

Does anyone know for how long Google will try to deliver a C2DM message before it gives up (even approximately)? 1 week? 2 weeks? 1 day? Of course assume registration is correct and everything but say, the device is offline.

Of course I've already searched to questions like this but there is no answer to my particular question.

I understand I should have a check myself with an ack of some sort, but I still would like to know when google gives up on delivery.

Thanks.

网友答案:

The time Google tries to deliver C2DM messages is approx. 28 days.

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