What is an Android DecorView?

Question

http://developer.android.com/reference/android/view/Window.html#getDecorView():

Retrieve the top-level window decor view (containing the standard window

Answer 1

Decor view appears to contain screen resolution? I get 1920.

var verticalScreenRes = act.window.decorView.height.toFloat() // 1920

then verify

adb -s emulator-5554 shell wm size
Physical size: 1080x1920