Android DPI

Android DPI

(Android Dots Per Inch) In Android devices, there are seven categories of screen density measurements that developers must be aware of, as follows:
Icon Ratio           Approx.   Size     (DPI toCategory   DPI(Pixels)    Pixels)ldpi      120     36x36     0.75
  mdpi      160     48x48     1
  tvdpi     213     64x64     1.3
  hdpi      240     72x72     1.5
  xhdpi     320     96x96     2
  xxhdpi    480    144x144    3
  xxxhdpi   640    192x192    4

  l=low  m=medium  h=high  x=extra