onPressed property
final
The callback to be called when the button is pressed. Must not be null.
This callback will be called at most once each time this action is displayed in a SnackBar.
Implementation
final VoidCallback onPressed
The callback to be called when the button is pressed. Must not be null.
This callback will be called at most once each time this action is displayed in a SnackBar.
final VoidCallback onPressed