在android上开发的程序将会在不同分辨率的手机上运行。为了让程序外观不至于相差太大,所以引入了dip的概念。比如定义一个矩形10 x 10dip.在分辨率为160dpi的屏上,比如G1,正好是10 x 10像素。而在240 dpi的屏,则是15 x 15像素.换算公式为pixs = dips * (density/160). density就是屏的分辨率
【单选题】To delete a style so that it no longer appears in the Styles list, click the Styles Dialog Box Launcher to display the Styles dialog box. Right-click the style you want to delete, then select ____.