getVerticalSize function

double getVerticalSize(
  1. double px
)

This method is used to set padding/margin (for the top and bottom side) and height of the screen or widget according to the Viewport height.

Implementation

double getVerticalSize(double px) {
  num statusBar = MediaQueryData.fromView(window).viewPadding.top;
  num screenHeight = size.height - statusBar;
  return px * (screenHeight / 812);
}