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titleduihkxg

于 2013-11-26 发布 文件大小:166KB
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  其实popupwindow用起来比Dialog 方便,因为dialog一切都需要你自己来实现,而popupwindow帮我们实现了很多,我认为在使用的时候关键我们要看清参数: popupWindow.showAtLocation(parent, gravity, x, y) parent这个是一个父view试图, gravity 这个默认是居中,我们要指定显示方式:Gravity.LEFT | Gravity.TOP 最后两个参数就是显示的坐标位置,这样就可以根据需求自己定位显示位置了

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