How to display a SnackBar in Flutter: A tutorial with examples

The tutorial introduces the Flutter SnackBar class, a widget in Flutter used to display temporary pop-up messages at the bottom of an app's screen, following Material Design principles. It explains how to customize and display a SnackBar in a Flutter app, providing examples such as notifying users about successful actions like adding items to a cart or uploading images. It emphasizes the importance of SnackBar duration, recommending a display time of four to ten seconds, and suggests including interactive elements like action buttons for enhanced user engagement. The tutorial guides users through setting up a Flutter project, using the Material Design library, and creating and displaying a SnackBar using a custom widget button. Additionally, it highlights using the ScaffoldMessenger class to display SnackBars and concludes by encouraging developers to explore more Flutter resources to enhance their app development skills.