The scenario: A meteor mobile app is required to report a user's location on request from server. The request arrives via GCM on Android and APN on iOS. When the request arrives the app may be on background or inactive altogether.The scenario: A meteor mobile app is required t
阅读背景：
根据请求使用GCM和APN发送的用于在后台进行位置报告的流星包
来源：互联网
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