Re: Galaxy Tab 2.7.0 how to close apps not being used
Welcome to Android Central! Android isn't like Windows--you don't need to force close apps out of RAM, unless they're misbehaving. If you back out of an app, or tap Home, the app may remain in RAM, but it's essentially put on pause, and shouldn't use any battery (unless it has an associated foreground service running, like a music app). Android wants to keep RAM relatively full, so if you start manually force closing apps, the system will reopen them automatically, or open other apps. If you do this constantly, that can actually contribute to battery use, which is why I recommend against "RAM booster" or "memory cleaner" apps.
To see what might have been causing your battery drain, it'd be helpful to see some battery stats. Charge up to 100%, then let it drain to 20-30% with normal usage, without charging in between. Then show us:
1. The main Settings>Battery screen.
2. The fullscreen battery graph screen (which shows Awake time and Cell Signal Strength).
3. The Screen category (to see total Screen On time).
4. The Cell Standby category, if present (to see Time Without Signal).
http://forums.androidcentral.com/am...ide-how-post-screenshots-android-central.html
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