Android get screen size, density and other information

Pick from http://blog.csdn.net/chenguang79/article/details/9222817

Displaymetrics dm = new Displaymetrics ();
DM = Getresources (). Getdisplaymetrics ();
float density = dm.density; Screen density (pixel scale: 0.75/1.0/1.5/2.0)
int densitydpi = dm.densitydpi; Screen density (pixels per inch: 120/160/240/320)
float xdpi = dm.xdpi;
float ydpi = dm.ydpi;
int screenwidth = Dm.widthpixels; Screen width (pixels, for example: 480px)
int screenheight = Dm.heightpixels; Screen height (pixels, for example: 800px)

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Android get screen size, density and other information