SnackBarPresenterEx extension Null safety

on

Methods

showError(dynamic error, {SnackBarL10n l10n = const SnackBarL10n(), Color? backgroundColor, Color? textColor}) ScaffoldFeatureController<SnackBar, SnackBarClosedReason>
showMessage(String text) ScaffoldFeatureController<SnackBar, SnackBarClosedReason>
showMessageWithAction(String text, {required VoidCallback onAction, required String actionLabel, Color? actionColor}) ScaffoldFeatureController<SnackBar, SnackBarClosedReason>
showUndo(String text, {required VoidCallback onUndo, Color? undoButtonColor, SnackBarL10n l10n = const SnackBarL10n()}) ScaffoldFeatureController<SnackBar, SnackBarClosedReason>