EdgeInsets.symmetric constructor

const EdgeInsets.symmetric({double vertical: 0.0, double horizontal: 0.0 })

Creates insets with symmetrical vertical and horizontal offsets.

Eight pixel margin above and below, no horizontal margins:
const EdgeInsets.symmetric(vertical: 8.0)

Implementation

const EdgeInsets.symmetric({
  double vertical = 0.0,
  double horizontal = 0.0,
}) : left = horizontal,
     top = vertical,
     right = horizontal,
     bottom = vertical;