DisplayMetrics d =context. getResources().getDisplayMetrics();
System.out.println("d.density:"+d.density);
System.out.println("densityDpi:"+d.densityDpi);
System.out.println("heightPixels:"+d.heightPixels);
System.out.println("scaledDensity:"+d.scaledDensity);
System.out.println("widthPixels:"+d.widthPixels);
System.out.println("xdpi:"+d.xdpi);
System.out.println("ydpi:"+d.ydpi);