Have you made sure your SurfaceView UI is actually drawing regularly, and especially redrawing itself as soon as possible with the new size?
On Wed, Jul 21, 2010 at 8:02 AM, Matty <busbus...@gmail.com> wrote: > Thanks for the quick response Dianne. > > I have an activity that uses OpenGL, and if I rotate at just the > right time, the log prints > > W/SurfaceComposerClient( 749): lock_layer timed out (is the CPU > pegged?) layer=2, lcblk=0x420d0120, state=0000000e (was 0000000e) > > I basically don't want the Activity to hang. I'm using a plain > android.opengl.GLSurfaceView. > > There are 2 activities involved. A,B. B is started from A using > startActivityForResult, and is "translucent". On rotate, both finish, > and then I start A (which might work) which then starts an intent for > B. If I rotate at the right time, I see the message above, and > sometimes Activity A draws properly, but usually not quite (only draws > some of the screen, or a rotated version of the opposite orientation), > and it seems like B is somehow blocked because of the message above. > Activity B has the GLSurfaceView. > > Any advice is greatly appreciated. > > > > > On Jul 21, 9:22 am, Dianne Hackborn <hack...@android.com> wrote: > > What problem is this causing you that you are trying to fix? > > > > > > > > On Wed, Jul 21, 2010 at 5:47 AM, Matty <busbus...@gmail.com> wrote: > > > I have looked through many posts on this issue, and I've concluded > > > that there's not much I can do to prevent it... I am able to reproduce > > > this error when repeatedly rotating an Activity that uses OpenGL. > > > > > W/SurfaceComposerClient( 749): lock_layer timed out (is the CPU > > > pegged?) layer=2, lcblk=0x420d0120, state=0000000e (was 0000000e) > > > > > For reference: > > > I'm calling GLSurfaceView.onPause() and onResume() on activity pause > > > and resume... > > > > > My question is: > > > Can I detect this error in my java code, so I can try to do something > > > extra to correct it? > > > Is there an ErrorListener, or an object I can access to find out about > > > when this occurs? I have tried > > > ((EGL10) EGLContext.getEGL()).eglGetError(); > > > but does not report an error. I'm guessing I'd need some sort of > > > Surface object? > > > > > -- > > > 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<android-developers%2bunsubscr...@googlegroups.com> > <android-developers%2bunsubscr...@googlegroups.com<android-developers%252bunsubscr...@googlegroups.com> > > > > > For more options, visit this group at > > >http://groups.google.com/group/android-developers?hl=en > > > > -- > > 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. > > -- > 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<android-developers%2bunsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- 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. -- 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