androiddpi

How to obtain the exact dpi value of android device?

we can use DisplayMetrics.densityDpi to obtain a approximate dpi value of the device,but i eager to know how to obtain the exact dpi value?

Solution

  • Use DisplayMatrics.xdpi and DisplayMatrics.ydpi

    xdpi    The exact physical pixels per inch of the screen in the X dimension.
ydpi    The exact physical pixels per inch of the screen in the Y dimension.

getResources().getDisplayMetrics().xdpi
getResources().getDisplayMetrics().ydpi