const RadialGradient({FractionalOffset center: FractionalOffset.center, double radius: 0.5, List<Color> colors, List<double> stops, TileMode tileMode: TileMode.clamp })

Creates a radial graident.

The colors argument must not be null. If stops is non-null, it must have the same length as colors.

Source 

const RadialGradient({
  this.center: FractionalOffset.center,
  this.radius: 0.5,
  this.colors,
  this.stops,
  this.tileMode: TileMode.clamp
});