Wifi sleeps, even with Lock

Question

Summary: even when wifi lock is acquired, when the phone is running on batteries, WiFi is disconnected after a while.

I\'ve simplified the problem to a single activi

Answer 1

There are numerous bugs on the Android bug tracker to do with wifi sleep/power saving mode and even apps available that attempt to rectify this. So it is quite likely that you are not doing anything wrong.

http://code.google.com/p/android/issues/detail?id=9781
http://code.google.com/p/android/issues/detail?id=1698

Also check out wififixer which is an open source project which may help you with code to keep the connection alive

http://wififixer.wordpress.com/