Flutter onClosing callback for showModalBottomSheet

Question

I have a showModalBottomSheet like the below, which I understand to inherit from BottomSheet (right?)

      showModalBottomSheet

        

Answer 1

() async {

   // Save the bottomsheet in a variable

   var bottomSheet = showModalBottomSheet(
      context: context,
      builder: (context) => Container();
    );

   // Detect when it closes
   await bottomSheet.then((onValue) {
     print("value: $onValue");
   });

   // Do something here
}