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为什么在Handler.post里调用onSupportVisible, 而不是直接调用? #1264

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shiqos opened this issue Mar 22, 2021 · 1 comment
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为什么在Handler.post里调用onSupportVisible, 而不是直接调用? #1264

shiqos opened this issue Mar 22, 2021 · 1 comment

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@shiqos
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shiqos commented Mar 22, 2021

为什么在Handler.post里调用onSupportVisible, 而不是直接调用?

发现在onHiddenChanged(false) 和 setUserVisibleHint(true)里会Post到MessageQueue里, 异步调用onSupportVisible

请问为什么不能直接调用呢, 直接调用会有什么问题么?

Fragmentation/fragmentation_core/src/main/java/me/yokeyword/fragmentation/helper/internal/VisibleDelegate.java

Line 162 in 0394930

private void enqueueDispatchVisible() {

@shiqos
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shiqos commented Apr 1, 2021

通过这些patch
38f80c6
6191af5
以及#475
可知使用post方式回调onSupportVisible为了解决 方法回调时序的问题
不能改成直接调用

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@shiqos shiqos closed this as completed Apr 1, 2021
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