通常在一些应用中，我们需要自定义弹出框，android系统自带的弹出框色彩方面 比较单一。下面介绍一下如何能过xml的布局自定义dialog,很简单的实例-Usually in some applications, we need a single custom pop-up box, android system comes with the color of the pop-up box. The following describes how xml layout custom dialog, a very simple example