You could attach the source code to your android.jar (see http://code.google.com/p/adt-addons/, chapter Android Sources) and set a conditional breakpoint to the ViewGroup.dispatchDraw method. Review different SDK versions because it could be a bug in some SDK.
Regards, Peco On May 3, 8:55 pm, vatsee <[email protected]> wrote: > Hi gurus, > > I am working on an app that supports bidirectional audio-video > communication. As part of that, the video GUI screen uses > MediaRecorder for recording outgoing video & uses two surfaceView > subclasses to display preview & incoming video. > > During the video call, I am seeing a (random) NPE. This trace (listed > below) does not show any of my app code. > I am not sure how to debug this issue. > > Has anybody seen anything similar to this? Appreciate if I can get > some pointers on how to debug this issue. > > java.lang.NullPointerException > at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1366) > at android.view.ViewGroup.drawChild(ViewGroup.java:1638) > at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) > at android.view.ViewGroup.drawChild(ViewGroup.java:1638) > at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) > at android.view.View.draw(View.java:6743) > at android.widget.FrameLayout.draw(FrameLayout.java:352) > at com.android.internal.policy.impl.PhoneWindow > $DecorView.draw(PhoneWindow.java:2058) > at android.view.ViewRoot.draw(ViewRoot.java:1432) > at android.view.ViewRoot.performTraversals(ViewRoot.java:1174) > at android.view.ViewRoot.handleMessage(ViewRoot.java:1752) > at android.os.Handler.dispatchMessage(Handler.java:99) > at android.os.Looper.loop(Looper.java:123) > at android.app.ActivityThread.main(ActivityThread.java:4627) > at java.lang.reflect.Method.invokeNative(Native Method) > at java.lang.reflect.Method.invoke(Method.java:521) > at com.android.internal.os.ZygoteInit > $MethodAndArgsCaller.run(ZygoteInit.java:858) > at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) > at dalvik.system.NativeStart.main(Native Method) > > Many thanks! -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
