Webview show black screen sometimes
Reported by
lidasong...@gmail.com,
Aug 2 2017
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Issue descriptionSteps to reproduce the problem: 1. Open XiaoMi Appstore and change to the last tab; 2. Click 'Home' button and then click 'Xiaomi Appstore', repeat the operations many times; 3. The screen will show black sometimes; What is the expected behavior? I hope to know what trigger this bug and how can I fix it or walk around? Thx! What went wrong? The creen show black. Did this work before? N/A Chrome version: 57.0.2987.132 Channel: n/a OS Version: 7.1.1 Flash Version:
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Aug 2 2017
Hi lidasong19890315@, could you please try the newest WebView M59 to see if you could reproduce this issue, M57 is considered outdated now and is not recommend to use anymore. If it is still reproducing, could you please provide an apk or google play link to XiaoMi Appstore so we can have a further investigation. Also, which type of phone are you using, could you provide phone info as well? (type, build, etc.)
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Aug 7 2017
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Aug 11 2017
@ctzsm Hi, your suggestion works. I wonder to know what is the reason for the black screen bug, the compatibility of the phone's GPU?
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Aug 11 2017
Thank you for providing more feedback. Adding requester "ctzsm@chromium.org" to the cc list and removing "Needs-Feedback" label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Aug 11 2017
Cc: ctzsm@chromium.org Hi, your suggestion works. I tried M59 & M60, no bug situation. I wonder to know what is the reason for the black screen bug, the compatibility of the phone's GPU?
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Aug 11 2017
It is hard to tell actual issue without debugging it, as the bug has been fixed in M59/M60, we will not take effort to investigate it.
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Aug 11 2017
lidasong19890315@, I am glad to know the newest version of WebView works for you. For the root cause of this issue, without knowing log or having the app you mentioned in hand to reproduce the bug, it is hard for us to tell what the issue was. Info such as the way how you use WebView, what type of phone you are testing/developing with (architecture, Android build version, GPU info as you mentioned (screenshot of chrome://gpu from chrome browser)) would be very helpful too. Since the issue is not reproducing with newest WebView, considering this as obsolete.
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Aug 21 2017
Cc: ctzsm@chromium.org Hi, ctzsm: Sorry for repeat you late, the followings are some info about the bug: 1. The web page of the bug(https://app.market.xiaomi.com/hd/black-screen-demo/mine.html); 2. Native code will trigger 'pause' and 'resume' event when click 'Home button' and 'reopen the app'; 3. The user-agent: Mozilla/5.0 (Linux; Android 7.1.1; MI 6 Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.132 Mobile Safari/537.36 mimarket 4. How can I get gpu info frome mobile's webview? Thank you! |
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Comment 1 by rsgav...@chromium.org
, Aug 2 2017