Use the ACTION_BATTERY_CHANGED broadcast: http://developer.android.com/reference/android/content/Intent.html#ACTION_BATTERY_CHANGED
It is a sticky broadcast, so you can use registerReceiver() to immediately retrieve the last sent value. On Sat, Aug 14, 2010 at 5:54 AM, Gao Jing <gaojing29.m...@gmail.com> wrote: > I am sorry for inappropriately expression, i mean battery status, like how > much battery left > ? > > On Sat, Aug 14, 2010 at 9:38 AM, Dianne Hackborn <hack...@android.com>wrote: > >> Exactly what information are you looking for when you say "power status"? >> >> On Thu, Aug 12, 2010 at 8:34 PM, Gao Jing <gaojing29.m...@gmail.com>wrote: >> >>> Hi ALL >>> >>> I am new to android, i want to get power status in c or c++, is there >>> a system call in android kernel to get the power status? Like sysinfo can >>> get memory information. >>> >>> There is another question, if a java implementation call a function >>> in the library section of android or a system call in android kernel, how do >>> i track down to find the exact funtion or the system call. >>> >>> Thanks In Advance >>> GaoJing >>> >>> -- >>> unsubscribe: >>> android-kernel+unsubscr...@googlegroups.com<android-kernel%2bunsubscr...@googlegroups.com> >>> website: http://groups.google.com/group/android-kernel >>> >> >> >> >> -- >> 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. >> >> -- >> unsubscribe: >> android-kernel+unsubscr...@googlegroups.com<android-kernel%2bunsubscr...@googlegroups.com> >> website: http://groups.google.com/group/android-kernel >> > > -- > unsubscribe: > android-kernel+unsubscr...@googlegroups.com<android-kernel%2bunsubscr...@googlegroups.com> > website: http://groups.google.com/group/android-kernel > -- 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. -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel