performRebuild method
override
Cause the widget to update itself.
Called by rebuild after the appropriate checks have been made.
The base implementation only clears the dirty flag.
Implementation
@override
void performRebuild() {
if (_newWidget != null) {
// _newWidget can be null if, for instance, we were rebuilt
// due to a reassemble.
final Widget newWidget = _newWidget!;
_newWidget = null;
update(newWidget as RenderObjectToWidgetAdapter<T>);
}
super.performRebuild();
assert(_newWidget == null);
}