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Overview of the ChangeNotifier Class

Explore how to use ChangeNotifier with the Provider package to manage state efficiently in Flutter applications. Understand how this approach helps avoid unnecessary widget rebuilds, improves app performance, and implements a correct design pattern for complex app architectures. This lesson guides you through practical examples of maintaining state across screens while reducing load times.

In this lesson, we will learn how to navigate from one screen to another with Provider's help while keeping our State intact.

ChangeNotifier and Provider

If we want to avoid widget rebuilding in Flutter, the rule is to avoid stateful widgets. There is a golden solution available for this.

We can use ChangeNotifier native class of Flutter along with the Provider package.

Although using a stateful widget for a small app is acceptable, always avoid stateful widgets and stick with the Provider package for full-blown, complicated app architecture. This will ...