Battery Logger

顯示過去一個月的電池使用。

Shows battery usage over the last month.

Except for battery drain speed, the graph also contains information about:

* When the device was rebooted

* When the device was charging

* Package installs, uninstalls and upgrades

Zoom graph by double tapping or by using the usual two finger zoom gesture.

Source code available: https://github.com/walles/batterylogger

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