今天,我在大约30分钟内收到了重复的FCM推送通知。这些推送通知在内容上是完全相同的,而且每个推送通知只发送了一次。以下是我接收这些推送通知的时间线片段:
1 01-15 10:41:30.349+0200 MyPushListenerService onMessageReceived
1 01-15 10:43:30.004+0200 MyPushListenerService onMessageReceived
1 01-15 10:47:31.665+0200 MyPushListenerService onMessageReceived
1 01-15 10:55:32.062+0200 MyPushListenerService onMessageReceived
为什么会发生这种情况?
Firebase如何确认推送通知已经被成功发送?是否有重试机制?