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scroll lag on android webview
Reported by
luca.mar...@develondigital.com,
Feb 21 2017
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Issue descriptionExample URL: Burger King Italia - Android App Steps to reproduce the problem: 1. Scroll on home page list 2. open nav menu 3. go to "termini e condizioni" What is the expected behavior? What went wrong? Scroll not fluent in every vertical scrollable webview after Android System Webview update, without the latest update the app works well Does it occur on multiple sites: N/A Is it a problem with a plugin? No Did this work before? Yes 55.0.2883.105 Does this work in other browsers? Yes Chrome version: 56.0.2924.87 Channel: stable OS Version: Android 6.0.1 Flash Version:
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Feb 22 2017
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Feb 23 2017
I can't find this app on the play store. Can you provide the link, or maybe attach the apk in case it's region locked to italy?
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Feb 23 2017
also what device are you using?
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Feb 24 2017
Ok, this is playstore link: https://play.google.com/store/apps/details?id=it.burgerking.android&hl=it and this is the apk: https://we.tl/y64z7EYhvJ . I have problems with every devices that use Android System Webview or Chrome version: 56.0.2924.87. Device tested with this problem: Samsung Galaxy S4 Android 6.0.1, HTC One M7 Android 5.0.1, LG Nexus 5X Android 7.1.1, Leeco LePro 3 Android 6.0.1. Pay attention I noticed that some device have multiple system webview installed, you need to disable it and use Android System Webview or Chrome v.56.0.2924.87, you can also verify in the logcat which user agent the app use( search: "INFO: User Agent:" then chrome/..).
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Feb 24 2017
If you looked in devtools, you would see this error: Unable to preventDefault inside passive event listener due to target being treated as passive. See https://www.chromestatus.com/features/5093566007214080 You need to make sure your event listener is not passive if you want to preventDefault a touch scroll.
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Feb 24 2017
also you should get onto the webview beta channel if you want the opportunity to fix your app before new version of webview rolls out to users: https://www.chromium.org/developers/androidwebview/android-webview-beta
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Feb 27 2017
Issue 696451 has been merged into this issue. |
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Comment 1 by rsgav...@chromium.org
, Feb 21 2017