getColor method Null safety

Color getColor(
  1. int index

Maps the custom appointments color to the Appointment.

Allows to set the custom appointments corresponding property to the Appointment's color property.

Note: It is applicable only when the custom appointments set to the appointments.

See also: Appointment.color

 DateTime getColor(int index) {
   return appointments[index].background;


Color getColor(int index) => Colors.lightBlue;