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https://issues.apache.org/jira/browse/WEEX-650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16658867#comment-16658867
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ASF GitHub Bot commented on WEEX-650:
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yxping opened a new pull request #1650: [WEEX-650][Android] fix appear &
disappear problem of items in scroller
URL: https://github.com/apache/incubator-weex/pull/1650
There are two problem fixed in this situation.
1. When a scroller is shown by sliding up a list, appear events of the item
in scroller can not be fired. This is caused by the scroller component in
Android only fires appear / disappear event when scrolling exclude the time
that scroller is attached / detached to window.
2. The logic that check a view is visible in scroller component is
defective, because in the time of call check method, the view may not in screen
but it will show after this tick.
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> [Android] fix appear & disappear problem of items in scroller
> -------------------------------------------------------------
>
> Key: WEEX-650
> URL: https://issues.apache.org/jira/browse/WEEX-650
> Project: Weex
> Issue Type: Bug
> Reporter: yxp
> Assignee: Adam Feng
> Priority: Major
>
> When page is created, scroller, invisible, is in the bottom of list. As i
> slide up the list, the scroller will be shown but the appear event didn't
> fire.
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