Android GCM time_to_live issue
问题 I have a problem related to time_to_live . I get messages when the device is on, but when it is offline I don't get the message or at least it is not sent in the first 15 minutes. I'm sending the message with delay while idle true and time_to_live 2419200. Any ideas what is happening, maybe I misread the documentation. 回答1: From the documentation : delay_while_idle : If included, indicates that the message should not be sent immediately if the device is idle. The server will wait for the