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!
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