Hi, I have the exact same problem on a download manager app I am trying to write. My service aquires PARTIAL_WAKE_LOCK, but when the screen is blank wifi downloads still seem to come to a stand-still (on Nexus One). If I instead acquire a FULL_WAKE_LOCK (or SCREEN_DIM) all is fine. Obviously, these don't make any sense for a download- manager... Also, everything is fine with 3G downloads (they keep going in the background whether I have any wakelock or not).
Did you ever figure this problem out? -Jack On Apr 15, 10:49 am, Thilo-Alexander Ginkel <th...@ginkel.com> wrote: > Hello again, > > On Apr 11, 3:12 pm, Thilo-Alexander Ginkel <th...@ginkel.com> wrote: > > > > > > > I am currently trying to figure out how to fix an annoying bug in > > Sipdroid [1], which seems to be triggered by a power management > > optimization in Android 2.1: > > > While a SIP (VoIP) call is in progress via WiFi, the data transfer > > becomes unreliable (and basically stalls) as soon as the display goes > > blank after the display timeout or proximity sensor has been > > triggered. As soon as the display comes back (by hitting the power > > button or releasing the proximity sensor) the data transfer reverts > > back to normal. > > > Currently, the only possible workaround seems to be to acquire a > > PowerManager.SCREEN_DIM_WAKE_LOCK for the duration of the call, which > > reliably prevents the issue from surfacing. Still, I think it would be > > beneficial to come up with a solution that allows the screen to become > > blank (if only for reducing battery consumption). > > In the meantime I thought about this issue and came to the conclusion > that it may not be WiFi throttling, which is causing the trouble, but > rather CPU scaling. In that case, my question would be what other > apps, such as media players are doing to avoid being throttled by CPU > scaling while the screen is turned off? > > Thanks, > Thilo -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
