import 'package:flutter/material.dart'; extension ContextExtension on BuildContext { void showSnackBar( {required String msg, Duration duration = const Duration(seconds: 3)}) { Scaffold.of(this).showBottomSheet((context) { return SnackBar( shape: RoundedRectangleBorder( borderRadius: BorderRadius.only( topLeft: Radius.circular(5), topRight: Radius.circular(5), )), content: Text(msg), duration: duration, ); }); } }