[ViewPager2] Behavior of horizontal scroll is wrong when using ViewPager2 in CoordinatorLayout [138668210]

Fixed

Bug

Status Update

No update yet.

Description

dx...@gmail.com

created issue #1

Jul 31, 2019 03:23AM

* ViewPager2 in CoordinatorLayout.
* Using NestedScrollView with Fragment in item of ViewPager2.
* This is set in NestedScrollView: `app: layout_behavior =" @ string / appbar_scrolling_view_behavior "`
* An event may be taken in horizontal scrolling while vertical scrolling.

Thank you.

Comments

dx...@gmail.com <dx...@gmail.com> #2Jul 31, 2019 03:31AM

Have same problem

jg...@google.com <jg...@google.com> #3Jul 31, 2019 11:10AM

java.util.ConcurrentModificationException
at java.util.WeakHashMap$HashIterator.next(WeakHashMap.java:165)
at androidx.work.impl.utils.WakeLocks.checkWakeLocks(WakeLocks.java:70)
at androidx.work.impl.background.systemalarm.SystemAlarmService.onAllCommandsCompleted(SystemAlarmService.java:69)
at androidx.work.impl.background.systemalarm.SystemAlarmDispatcher.dequeueAndCheckForCompletion(SystemAlarmDispatcher.java:217)
at androidx.work.impl.background.systemalarm.SystemAlarmDispatcher$DequeueAndCheckForCompletion.run(SystemAlarmDispatcher.java:317)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4960)
at java.lang.reflect.Method.invokeNative(Method.java)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805)
at dalvik.system.NativeStart.main(NativeStart.java)

dx...@gmail.com <dx...@gmail.com> #4Aug 1, 2019 09:56AM

https://android-review.googlesource.com/c/platform/frameworks/support/+/857873

jg...@google.com <jg...@google.com> Aug 6, 2019 03:18PM

Assigned to jg...@google.com.

jg...@google.com <jg...@google.com> #5Aug 12, 2019 04:28PM

Will this be released in the next beta? Thanks

no-scroll-orientation-lock.mp4

11 MB

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je...@google.com <je...@google.com> Aug 13, 2019 03:55PM

Accepted by je...@google.com.

ap...@google.com <ap...@google.com> #6Aug 22, 2019 01:52PM

Yes, it will.

je...@google.com <je...@google.com> #7Aug 22, 2019 02:41PM

Seems like it's still not fixed:

Fatal Exception: java.util.ConcurrentModificationException
at java.util.WeakHashMap$HashIterator.next(WeakHashMap.java:165)
at androidx.work.impl.utils.WakeLocks.checkWakeLocks(WakeLocks.java:78)
at androidx.work.impl.background.systemalarm.SystemAlarmService.onAllCommandsCompleted(SystemAlarmService.java:69)
at androidx.work.impl.background.systemalarm.SystemAlarmDispatcher.dequeueAndCheckForCompletion(SystemAlarmDispatcher.java:217)
at androidx.work.impl.background.systemalarm.SystemAlarmDispatcher$DequeueAndCheckForCompletion.run(SystemAlarmDispatcher.java:317)
at android.os.Handler.handleCallback(Handler.java:810)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:189)
at android.app.ActivityThread.main(ActivityThread.java:5532)
at java.lang.reflect.Method.invoke(Method.java)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:950)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:745)

je...@google.com <je...@google.com> #8Aug 22, 2019 02:42PM

Marked as fixed.

Still happened on beta02, Android 5.0.2