Hi Dianne,
Sorry to bother you.
Does the "Force stop" in the setting of android 2.2 also use
"KillBackgroundProcess" or use the system level API (developer can't
use directly) to make it?
I have tried the "KillBackgroundProcess" and adding the related
permission, but it can't stop the running app either or running
service like "Force stop" does.
//ddms under "Force stop"
06-15 22:08:10.505: INFO/ActivityManager(62): Force stopping package
com.MyTestApp/com uid=10037
06-15 22:08:10.505: INFO/Process(62): Sending signal. PID: 647 SIG: 9
//ddms under my KillBackgroundProcess
06-15 22:05:32.725: INFO/Process(62): Sending signal. PID: 638 SIG: 9
06-15 22:05:32.754: INFO/WindowManager(62): WIN DEATH:
Window{43f4b2d8 com.MyTestApp/com.MyTestApp.act1 paused=false}
06-15 22:05:32.754: INFO/WindowManager(62): WIN DEATH: Window{43fbd930
com.MyTestApp/com.MyTestApp.act2
paused=false}
"Force stop" and my "KillBackgroundProcess" seems to have sent the
same signal 9. but they behave differently.
I don't know why it doesn't work in my "KillBackgroundProcess".
Thanks very much!
On 6月3日, 上午6時41分, Dianne Hackborn <hack...@android.com> wrote:
> On Wed, Jun 2, 2010 at 1:18 AM, Lee <lee.wil...@googlemail.com> wrote:
> > killBackgroundProcesses works (you need a permission for it), but it
> > merely restarts the background services, so it's a little poorly
> > named.
>
> Actually it does exactly what it says -- it kills a process. If an
> application has a service that it wants to keep running, the normal behavior
> of the system kicks in to restart the service for the app. As the
> documentation says, this allows the app to do the same thing is the out of
> memory killer (killing processes) without breaking applications by causing
> their services to be stopped when they don't expect (or unregister their
> alarms or the other things that fully stopping an app does).
>
> --
> 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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