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PopupWindow 是一种阻塞式的弹出窗口，这就意味着在我们退出这个弹出框之前，程序会一直等待。它可以浮动在当前Activity的任何的位置上。需要注意的是，PopupWindow必须触发某个焦点或者某个事件才会显示出来，不然总会会出现错误。下面是使用PopupWindow 弹出自定义菜单的...

【Android进阶学习】LayoutInflater的应用

LayoutInflater在Android中是“扩展”的意思，作用类似findViewById( )，它在Android开发中的作用是很大的。LayoutInflater经常在BaseAdapter的getView方法中用到，用来获取整个View并返回。 LayoutInflater与findVi...

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