updateShouldNotify method

@override bool updateShouldNotify(covariant RenderMetricsProvider oldWidget)

Whether dependents should rebuild when this widget updates.

Implementation

@override
bool updateShouldNotify(covariant RenderMetricsProvider oldWidget) {
  // Never notify — the holder is the same mutable object; its data
  // is written in-place by WidgetApp.
  return false;
}