Flutter State Management using ChangeNotifier and AnimatedBuilder - No Packages скачать в хорошем качестве

Flutter State Management using ChangeNotifier and AnimatedBuilder - No Packages

Dashboard using `ChangeNotifier` and `AnimatedBuilder`. State Management by using built-in Flutter classes. No Packages. What is covered In this project, you are going to take a look at: How to use `ChangeNotifier` and `AnimatedBuilder` to selectively rebuild individual widgets for performance State Management with build-in classes, no packages The Problem: Dashboard app needs to chart espresso, coffee, latte and total consumption Drawing each section bar, the chart needs to refresh independently for performance The Solution: Use the `ChangeNotifier` and `AnimatedBuilder` to allow to selectively rebuild individual widgets for performance ChangeNotifier and AnimatedBuilder The `ChangeNotifier` and `AnimatedBuilder` allow to selectively rebuild individual widgets for performance 1. Create a class that extends `ChangeNotifier` 2. Add fields to contain data 3. Add methods to modify data and call the `notifyListeners()` method 4. Add the `AnimatedBuilder` widget in the widget tree to rebuild widgets selectively if the data changed How it Works `ChangeNotifier` and `ValueListenableBuilder` - The `ChangeNotifier` and `AnimatedBuilder` allow to selectively rebuild individual widgets for performance. Use fields to contain data defining them in the `ChangeNotifier`. Use methods to modify data and call the `notifyListeners()` method. Use the `AnimatedBuilder` widget in the widget tree to rebuild widgets selectively if the data changed. GitHub: https://github.com/JediPixels/dashboa... Twitter:   / jedipixels   Looking for Updates: https://JediPixels.dev Blog Article: https://jedipixels.dev/flutter-state-... #flutter #fluttertutorial #dart #flutterdev #flutterdeveloper #appdevelopment