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2012 Nexus 7 Discussion Forums (1st Generation) => Nexus 7 Help => Topic started by: birdastrompgman on August 06, 2012, 08:54:01 AM
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A couple of mornings ago, I woke up to find I only had 6 percent battery life remaining (down from 66% when I went to bed). I went to settings to check battery usage.
Normally, screen usage counts for 98 percent of my battery use. That morning, facebook was using 40 percent of my battery power. I force closed facebook, but it continued to use 40 percent of my battery power.
The Facebook power drain was so intense, my nexus 7 was losing its battery power even while plugged in. Finally, I discovered an underlying sub program called katana which was using my resources. Katana polls location resources (GPS) constantly, and turned out to be the resource hog.
Once I closed facebook and katana,, and shut off location resources, facebook had still toggled something in the Android OS that was consuming 30 percent of my battery power. I uninstalled and reinstalled facebook and played around with different location resource settings until i got the android OS usage back to normal, and now the problem is solved,
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I've actually noticed the same thing, though not as drastic of a battery drain as you. I rarely use Facebook but last week installed it on my N7. Within hours I started seeing posts from family showing-up in my Notification window and as you I noticed the battery app showing FB being a hog. So I disabled Notifications all together which helped some, but it still drained. After two days I just removed the FB app all together and all has been fine going sometimes two or three days between charges.
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Personally, I keep GPS shut off on all of my devices, until I actually need to use it. Many apps use location data so they can send advertising to your machine. I don't have many Facebook friends, but I don't want most of them to know where I am. Sometimes I get a little paranoid.