fh created WEEX-499:
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Summary: the element in slider don't trigger it's appear event
when slider changed
Key: WEEX-499
URL: https://issues.apache.org/jira/browse/WEEX-499
Project: Weex
Issue Type: Bug
Components: iOS
Reporter: fh
Assignee: xingZhang
{code:java}
<div>
<slider class="slider"
ref="sliderBox"
:style="{height:normalHeight}"
auto-play="true"
interval="3000">
<div v-for="(item, index) in config.swipeList"
:key="index">
<image resize="cover"
:style="{width:item.width, height:item.height}"
:src="defaultImg"
:placeholder="defaultImg"
v-demo="item.imgUrl"></image>
</div>
<indicator class="silder-indicator" v-if="config.isShowDot"></indicator>
</slider>
</div>
{code}
the v-demo listen the image's appear event, however in the slider ,which
structure looks like the code above， don't rigger it's appear event when slider
changed. Until i scroll the the <list> the appear event is triggered.
我使用 v-demo 这个自定义指令来监听slider内部 image 元素的 appear 事件，在 appear
事件内做一些处理。但是，像上面这样的结构，slider自动轮播时，内部 image 元素的 appear 事件没有被触发。当我滑动外层的 list 时，这儿的
image 元素的 appear 事件才触发。
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