Android_Display.bsh

import android.graphics.*;
import android.view.*;
import android.util.*;

round(n) {
  return Math.round(n*100.0)/100.0;
}

WindowManager wm = (WindowManager) ctx.getSystemService("window");
dm = new DisplayMetrics();

wm.defaultDisplay.getRealMetrics(dm);

w = dm.widthPixels;
h = dm.heightPixels;
print(w + "px x " + h + "px");

xd = dm.xdpi;
yd = dm.ydpi;
print(round(xd) + "dpi x " + round(yd) + "dpi");

x = w/xd;
y = h/yd;
print(round(x) + "\" x " + round(y) + "\"");
print(round(Math.sqrt(x*x + y*y)) + "\"");