ANR in setScreenShareEnabled(false)

[dcarr622]

Describe the bug
We're seeing this in our crash reporting data; pretty low frequency

This is happening when setScreenShareEnabled(false) is called

To Reproduce
We don't have repro steps, unfortunately

Device Info:

• Seen on at least Android 11, 14, 15 on Samsung devices

Additional context

at jdk.internal.misc.Unsafe.park (Native method)
 at java.util.concurrent.locks.LockSupport.park (LockSupport.java:211)
 at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire (AbstractQueuedSynchronizer.java:715)
 at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly (AbstractQueuedSynchronizer.java:1047)
 at java.util.concurrent.CountDownLatch.await (CountDownLatch.java:230)
 at livekit.org.webrtc.ThreadUtils$2.run (ThreadUtils.java:118)
 at livekit.org.webrtc.ThreadUtils.executeUninterruptibly (ThreadUtils.java:68)
 at livekit.org.webrtc.ThreadUtils.awaitUninterruptibly (ThreadUtils.java:115)
 at livekit.org.webrtc.ThreadUtils.invokeAtFrontUninterruptibly (ThreadUtils.java:180)
 at livekit.org.webrtc.ThreadUtils.invokeAtFrontUninterruptibly (ThreadUtils.java:196)
 at livekit.org.webrtc.ScreenCapturerAndroid.stopCapture (ScreenCapturerAndroid.java:128)
 at io.livekit.android.room.track.LocalVideoTrack.stop (LocalVideoTrack.kt:135)
 at io.livekit.android.room.track.LocalScreencastVideoTrack.stop (LocalScreencastVideoTrack.kt:96)
 at io.livekit.android.room.participant.LocalParticipant.unpublishTrack (LocalParticipant.kt:682)
 at io.livekit.android.room.participant.LocalParticipant.unpublishTrack$default (LocalParticipant.kt:662)
 at io.livekit.android.room.participant.LocalParticipant.setTrackEnabled (LocalParticipant.kt:309)
 at io.livekit.android.room.participant.LocalParticipant.setScreenShareEnabled (LocalParticipant.kt:259)
 at io.livekit.android.room.participant.LocalParticipant.setScreenShareEnabled$default (LocalParticipant.java:255)
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 at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith (ContinuationImpl.kt:33)
 at kotlinx.coroutines.DispatchedTask.run (DispatchedTask.kt:101)
 at kotlinx.coroutines.EventLoop.processUnconfinedEvent (EventLoop.java:65)
 at kotlinx.coroutines.DispatchedTaskKt.resumeUnconfined (DispatchedTask.kt:231)
 at kotlinx.coroutines.DispatchedTaskKt.dispatch (DispatchedTask.kt:149)
 at kotlinx.coroutines.CancellableContinuationImpl.dispatchResume (CancellableContinuationImpl.kt:470)
 at kotlinx.coroutines.CancellableContinuationImpl.resumeImpl$kotlinx_coroutines_core (CancellableContinuationImpl.kt:504)
 at kotlinx.coroutines.CancellableContinuationImpl.resumeImpl$kotlinx_coroutines_core$default (CancellableContinuationImpl.kt:493)
 at kotlinx.coroutines.CancellableContinuationImpl.resumeWith (CancellableContinuationImpl.kt:359)
 at kotlinx.coroutines.flow.SharedFlowImpl.tryEmit (SharedFlow.kt:414)
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 at androidx.compose.foundation.ClickableNode$clickPointerInput$3.invoke-k-4lQ0M (Clickable.kt:639)
 at androidx.compose.foundation.ClickableNode$clickPointerInput$3.invoke (Clickable.kt:633)
 at androidx.compose.foundation.gestures.TapGestureDetectorKt$detectTapAndPress$2$1.invokeSuspend (TapGestureDetector.kt:255)
 at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith (ContinuationImpl.kt:33)
 at kotlinx.coroutines.DispatchedTaskKt.resume (DispatchedTask.kt:165)
 at kotlinx.coroutines.DispatchedTaskKt.dispatch (DispatchedTask.kt:154)
 at kotlinx.coroutines.CancellableContinuationImpl.dispatchResume (CancellableContinuationImpl.kt:470)
 at kotlinx.coroutines.CancellableContinuationImpl.resumeImpl$kotlinx_coroutines_core (CancellableContinuationImpl.kt:504)
 at kotlinx.coroutines.CancellableContinuationImpl.resumeImpl$kotlinx_coroutines_core$default (CancellableContinuationImpl.kt:493)
 at kotlinx.coroutines.CancellableContinuationImpl.resumeWith (CancellableContinuationImpl.kt:359)
 at androidx.compose.ui.input.pointer.SuspendingPointerInputModifierNodeImpl$PointerEventHandlerCoroutine.offerPointerEvent (SuspendingPointerInputModifierNodeImpl.java:719)
 at androidx.compose.ui.input.pointer.SuspendingPointerInputModifierNodeImpl.dispatchPointerEvent (SuspendingPointerInputFilter.kt:598)
 at androidx.compose.ui.input.pointer.SuspendingPointerInputModifierNodeImpl.onPointerEvent-H0pRuoY (SuspendingPointerInputFilter.kt:620)
 at androidx.compose.foundation.AbstractClickableNode.onPointerEvent-H0pRuoY (Clickable.kt:1044)
 at androidx.compose.ui.input.pointer.Node.dispatchMainEventPass (HitPathTracker.kt:387)
 at androidx.compose.ui.input.pointer.Node.dispatchMainEventPass (HitPathTracker.kt:373)
 at androidx.compose.ui.input.pointer.Node.dispatchMainEventPass (HitPathTracker.kt:373)
 at androidx.compose.ui.input.pointer.NodeParent.dispatchMainEventPass (NodeParent.java:229)
 at androidx.compose.ui.input.pointer.HitPathTracker.dispatchChanges (HitPathTracker.java:144)
 at androidx.compose.ui.input.pointer.PointerInputEventProcessor.process-BIzXfog (PointerInputEventProcessor.java:120)
 at androidx.compose.ui.platform.AndroidComposeView.sendMotionEvent-8iAsVTc (AndroidComposeView.android.kt:1993)
 at androidx.compose.ui.platform.AndroidComposeView.handleMotionEvent-8iAsVTc (AndroidComposeView.android.kt:1944)
 at androidx.compose.ui.platform.AndroidComposeView.dispatchTouchEvent (AndroidComposeView.android.kt:1828)
 at android.view.ViewGroup.dispatchTransformedTouchEvent (ViewGroup.java:3352)
 at android.view.ViewGroup.dispatchTouchEvent (ViewGroup.java:3022)
 at android.view.ViewGroup.dispatchTransformedTouchEvent (ViewGroup.java:3352)
 at android.view.ViewGroup.dispatchTouchEvent (ViewGroup.java:3022)
 at android.view.ViewGroup.dispatchTransformedTouchEvent (ViewGroup.java:3352)
 at android.view.ViewGroup.dispatchTouchEvent (ViewGroup.java:3022)
 at android.view.ViewGroup.dispatchTransformedTouchEvent (ViewGroup.java:3352)
 at android.view.ViewGroup.dispatchTouchEvent (ViewGroup.java:3022)
 at android.view.ViewGroup.dispatchTransformedTouchEvent (ViewGroup.java:3352)
 at android.view.ViewGroup.dispatchTouchEvent (ViewGroup.java:3022)
 at android.view.ViewGroup.dispatchTransformedTouchEvent (ViewGroup.java:3352)
 at android.view.ViewGroup.dispatchTouchEvent (ViewGroup.java:3022)
 at com.android.internal.policy.DecorView.superDispatchTouchEvent (DecorView.java:794)
 at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent (PhoneWindow.java:1967)
 at android.app.Activity.dispatchTouchEvent (Activity.java:4571)
 at com.datadog.android.rum.internal.instrumentation.gestures.WindowCallbackWrapper.dispatchTouchEvent (WindowCallbackWrapper.kt:69)
 at androidx.appcompat.view.WindowCallbackWrapper.dispatchTouchEvent (WindowCallbackWrapper.kt:69)
 at io.sentry.android.core.internal.gestures.WindowCallbackAdapter.dispatchTouchEvent (WindowCallbackAdapter.java:39)
 at io.sentry.android.core.internal.gestures.SentryWindowCallback.dispatchTouchEvent (SentryWindowCallback.java:64)
 at com.android.internal.policy.DecorView.dispatchTouchEvent (DecorView.java:752)
 at android.view.View.dispatchPointerEvent (View.java:16498)
 at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent (ViewRootImpl.java:8676)
 at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess (ViewRootImpl.java:8423)
 at android.view.ViewRootImpl$InputStage.deliver (ViewRootImpl.java:7752)
 at android.view.ViewRootImpl$InputStage.onDeliverToNext (ViewRootImpl.java:7809)
 at android.view.ViewRootImpl$InputStage.forward (ViewRootImpl.java:7775)
 at android.view.ViewRootImpl$AsyncInputStage.forward (ViewRootImpl.java:7978)
 at android.view.ViewRootImpl$InputStage.apply (ViewRootImpl.java:7783)
 at android.view.ViewRootImpl$AsyncInputStage.apply (ViewRootImpl.java:8035)
 at android.view.ViewRootImpl$InputStage.deliver (ViewRootImpl.java:7756)
 at android.view.ViewRootImpl$InputStage.onDeliverToNext (ViewRootImpl.java:7809)
 at android.view.ViewRootImpl$InputStage.forward (ViewRootImpl.java:7775)
 at android.view.ViewRootImpl$InputStage.apply (ViewRootImpl.java:7783)
 at android.view.ViewRootImpl$InputStage.deliver (ViewRootImpl.java:7756)
 at android.view.ViewRootImpl.deliverInputEvent (ViewRootImpl.java:11343)
 at android.view.ViewRootImpl.doProcessInputEvents (ViewRootImpl.java:11212)
 at android.view.ViewRootImpl.enqueueInputEvent (ViewRootImpl.java:11168)
 at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent (ViewRootImpl.java:11477)
 at android.view.InputEventReceiver.dispatchInputEvent (InputEventReceiver.java:337)
 at android.os.MessageQueue.nativePollOnce (Native method)
 at android.os.MessageQueue.next (MessageQueue.java:335)
 at android.os.Looper.loopOnce (Looper.java:187)
 at android.os.Looper.loop (Looper.java:319)
 at android.app.ActivityThread.main (ActivityThread.java:9063)
 at java.lang.reflect.Method.invoke (Native method)
 at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:588)
 at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1103)

[davidliu]

@dcarr622 would you happen to have any of the ANR stack traces information available? Would help if I could see what the other threads are doing.