ScaffoldFeatureController<T extends Widget, U>  class 
    Null safety
 
An interface for controlling a feature of a Scaffold.
Commonly obtained from ScaffoldMessengerState.showSnackBar or ScaffoldState.showBottomSheet.
- Implementers
 
Properties
- close → VoidCallback
 - 
  Remove the feature (e.g., bottom sheet, snack bar, or material banner) from the scaffold.
  final
 - 
  closed
  → Future<
U>  - 
  Completes when the feature controlled by this object is no longer visible.
  read-only
 - hashCode → int
 - 
  The hash code for this object.
  read-onlyinherited
 - runtimeType → Type
 - 
  A representation of the runtime type of the object.
  read-onlyinherited
 - setState → StateSetter?
 - 
  Mark the feature (e.g., bottom sheet or snack bar) as needing to rebuild.
  final
 
Methods
- 
  noSuchMethod(
Invocation invocation) → dynamic  - 
  Invoked when a non-existent method or property is accessed.
  inherited
 - 
  toString(
) → String  - 
  A string representation of this object.
  inherited
 
Operators
- 
  operator ==(
Object other) → bool  - 
  The equality operator.
  inherited