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当我将GCM消息发送到多个reg_ids时,有时会出现NotRegistered错误。Android GCM错误未注册多次注册
我怎样才能知道哪些REG_ID无效
{"multicast_id":5825324801553069805,"success":2,"failure":1,"canonical_ids":0,"results":[{"message_id":"0:1453198766912894%d41b519ed41b519e"},{"message_id":"0:1453198766913761%d41b519ed41b519e"},{"error":"NotRegistered"}]}