Look into the update() method in BatteryService.java. You may be able to solve the issue by register for BATTERY_CHANGED. But, it only be sent out when the battery status is changed. Not sure if it is good for you or not. On Mon, 2009-05-25 at 18:44 -0700, zhangxiyuan wrote: > Thanks so much for your reply. > But how could I access the battery status that the > com.android.server.BatteryService provided? > If I want to collect that information, could you provide any hints of > implementing that function? > > Thanks you. > > On May 26, 3:00 am, Dianne Hackborn <hack...@android.com> wrote: > > There is no public API. You can not use APIs that are not in the public API > > in normal applications. I am pretty sure most of the battery status > > information is provided through sticky broadcasts. > > > > > > > > On Mon, May 25, 2009 at 4:54 AM, zhangxiyuan <zhangzho...@gmail.com> wrote: > > > > > Hi, > > > > > I am sorry that I do not know whether this topic should appear here. > > > > > I checked out the whole android open source project, and found the > > > source code under /frameworks/base/services/java/BatteryService.java > > > as well as the other service classes such as AlarmManagerService, > > > WindowManagerService,... > > > While in the android.content.Context#getSystemService(String name), > > > the available names do not contains BATTERY_SERVICE. > > > I want to know the reason. anybody knows that? > > > I wonder if I want to know the information of the current battery > > > status, such as scale, level, status, health,... which are defined > > > in / > > > frameworks/base/services/java/BatteryService.java, how should I > > > collect these information? > > > > > And I noticed that in the android application Settings, there is an > > > BatteryInfo activity, which can collect these information, while the > > > activity invokes a class named android.os.ServiceManager, while in the > > > sdk 1.5r1, there is no such class. I pulled all the related class out > > > to my workspace, and made it compiled without error, and ran the > > > application, it can display the right information(I just use the > > > emulator.). > > > I wonder if I can just do it this way, I mean if I am developing a > > > commercial application, is it ok? > > > > > Thanks in advance, I am so appreciated for you anwser or just hints. > > > > -- > > Dianne Hackborn > > Android framework engineer > > hack...@android.com > > > > 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. > >
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