Expanded constructor Null safety

const Expanded(
  1. {Key? key,
  2. int flex = 1,
  3. required Widget child}
)

Creates a widget that expands a child of a Row, Column, or Flex so that the child fills the available space along the flex widget's main axis.

Implementation

const Expanded({
  super.key,
  super.flex,
  required super.child,
}) : super(fit: FlexFit.tight);