这是一个，可以提取 英文单词 的 ListView Demo
长按文章时，启动题词功能，含有 ”放大镜“ 功能，打开了手指触摸下的视角。
长按，后可随意滑动，滑到那里，取到那里。松开后，便可获取，以选择的单词。

在android原生控件ListView上实现滑动取词。
可以随意滑动取词，跨item进行取词。取词代码在ListView的onTouchEvent中处理。

只需将widget下的 
	EWListView.java
	EWListViewChildET.java
两个文件copy到你的工程中，
ListView用EWListView，或者，直接复制里面的逻辑到你自定义的ListView中即可
Item用EWListViewChildET，或者copy，逻辑到你的item中。

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