measureItem method

  1. @override
double measureItem(
  1. Widget widget, [
  2. BoxConstraints? childConstraints
])
override

Measures the size of a single widget.

Implementation

@override
double measureItem(Widget widget, [BoxConstraints? childConstraints]) {
  late double size;
  childManager.disposableElement(widget, (renderBox) {
    renderBox.layout(childConstraints ?? this.childConstraints,
        parentUsesSize: true);
    size = paintExtentOf(renderBox);
  });
  return size;
}