Sorry, there isn't a way to do this. The best you can do is query the current battery level (which is part of a sticky broadcast so the last reported value is always available).
On Mon, Dec 13, 2010 at 6:11 PM, Thomas Okken <[email protected]>wrote: > I'm working on an app that needs to adapt its behavior to the current > battery status. When there's plenty of juice left in the battery, it > may perform certain tasks in a way that maximizes responsiveness, but > also drains a lot of power, while in a low-battery situation, it > should automatically adjust its behavior in a way that maximizes > battery life, even if that makes certain tasks run more slowly. > > My question is this: I know how my app can be informed when the > battery *starts* running low, by registering a BroadcastReceiver with > a BATTERY_STATUS_LOW intent. I've implemented this, and I've verified > that it works; at the exact moment that the OS pops up the low-battery > warning, my app also receives the broadcast, and goes into low battery > mode. > > So far, so good... But what can I do to find out if the battery was > low before my app was even launched? > > It seems like the app never gets the BATTERY_STATUS_LOW intent message > if the battery was low before the app was even launched. I can't seem > to find an API that lets me query the battery status *right now*, i.e. > without having to register a receiver that will only get notified when > the battery status *changes*. > > Is there a way to find out *immediately* whether the battery status is > "LOW" or "OKAY"? > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
