问题描述:

There are a lot of questions on here about "My app drains battery! Why?". That is not what I am looking for. I am wondering about how to create an app which can get which apps are draining the most battery.

I know it's possible, because I've seen apps that can do this.

网友答案:

I think you could work it out by CPU usage:

Take a look at this answer: CPU usage per application in android

I suspect you would need to continually run a command like this and parse the results into a database, combining previous results to work out a running tally.

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