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I'd like to write an app which would give the total amount of data downloaded over a period of time.

Should I have a service running in the background which keeps track of the data usage or just an app calling the appropriate api's when opened would do?

Which all api's could I use for this?

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我认为你应该使用NetworkStats自 API 8 以来可用的。

于 2012-09-20T17:32:44.980 回答