How does the Battery Log Battery app work?
I did some research and found that there is a log in / private / var / in where we can get the battery log. But unfortunately, iphone applications do not have read access to this file.
So, I was wondering how "Battery Log" works? (Battery Log is an app in the app store, it can display the usage of the battery history)
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chenze
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The app description says that the app only collects data when it starts (which makes sense given the limitations that Apple places on apps and as you mentioned the battery log file is private). The app description also states that the app only works on a relative basis and cannot get the exact voltage. Besides, it seems like black magic.
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