Flutter snackbar duration

Snackbar in flutter

final snackBar = SnackBar(content: Text('Yay! A SnackBar!'));

// Find the ScaffoldMessenger in the widget tree
// and use it to show a SnackBar.
ScaffoldMessenger.of(context).showSnackBar(snackBar);

Source: flutter.dev

Flutter snackbar duration

ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            duration: const Duration(milliseconds: 4000), // default 4s
            content: const Text('Awesome Snackbar!'),
          ),
        );

Snackbar in flutter

final snackBar = SnackBar(
  content: Text('Yay! A SnackBar!'),
  action: SnackBarAction(
    label: 'Undo',
    onPressed: () {
      // Some code to undo the change.
    },
  ),
);

Source: flutter.dev

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