performLayout method

  1. @override
Size performLayout(
  1. BoxConstraints constraints
)
override

Hook for subclasses to perform layout within the given constraints.

Implementation

@override
Size performLayout(BoxConstraints constraints) {
  if (childElement != null) {
    childElement!.layout(constraints);
  }
  return constraints.constrain(
    Size(constraints.maxWidth, constraints.maxHeight),
  );
}