Touchpad up/down scrolling is not working on ARC++ apps. |
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Issue descriptionGoogle Chrome 62.0.3176.0 (Official Build) dev (32-bit) Platform 9807.0.0 (Official Build) dev-channel hana Firmware Version Google_Hana.8438.85.0 Customization ID OEM1-HANA Please specify Cr-* of the system to which this bug/feature applies (add the label below). Steps To Reproduce: (1)Open youtube app (2)Scroll up/down by using touch-pad (3) Expected Result: app should move up/down Actual Result: Touchpad up/down scrolling is not working at all on Youtube. But chrome browser works fine. Reproduced only on ARC++ apps. Reproduced only on Hana. How frequently does this problem reproduce? (Always, sometimes, hard to reproduce?) What is the impact to the user, and is there a workaround? If so, what is it? Please provide any additional information below. Attach a screen shot or log if possible. For graphics-related bugs, please copy/paste the contents of the about:gpu page at the end of this report.
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Aug 9 2017
Also happen on Sand device with Chrome OS 9824.0.0, 62.0.3176.
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Sep 13 2017
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Sep 14 2017
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Sep 18 2017
It is working normally on 59.0, currently compiling ToT.
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Sep 19 2017
might or might not be related to b/63543477
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Sep 22 2017
youtube is not using webview (at least in the most important views) so this should not be related crbug.com/756529 . This bug is not reproducible on ToT (on hana ofc). This bug is not reproducible on 62.0.3202.12. This bug is not reproducible on 59. Note that because of crbug.com/756529 scrolling in clank is not working. Maybe the bug was using youtube in clank I close as i cannot reproduce.
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Sep 22 2017
log is attached in #1 and it's invoking 'com.google.android.youtube'
according to
** MEMINFO in pid 6096 [com.google.android.youtube] **
WebViews: 0
does this mean it doesn't load any webview?
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Sep 22 2017
I don't know if this log means that Youtube is not using WebView. I based my judgement using uiautomator. As far as i see Youtube is using the standard android UI toolkit (LinearLayout, ImageView, ...). For example the scrollable view which present all the videos is a RecyclerView (with id/results) that contains lots of child views. |
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Comment 1 by kathrelk...@chromium.org
, Aug 4 2017