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I am looking for a code for estimating/guessing time remaining before the android phone battery is completely discharged. My search results were full of apps available and also the common comment that it’s pretty much useless to calculate it. However i need the code. Any help, even a rough snippet, will do for getting started with.
You can not accurately guess that how much time is remaining for battery discharge, because there might be different applications or service consuming battery. thus it might vary.
However you can get battery life with help of broadcast receiver by registering a receiver for action Intent.ACTION_BATTERY_CHANGED. My answer is key only, get information from Android Developers website.
By using the below statement in onReceive() method of BroadcastReceiver with above Intent action, you will get battery level currently available(e.g., 50%, 60%, etc.). But you can’t estimate the time remaining, because some apps may consume more power. So i think battery level to time remaining conversion won’t give correct result.
I hope it may help you.