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This video is part 8 (of 8) of the Dart and Flutter Getting Started tutorial series. Learn about the basic building block of working with state in Flutter.
Start the written tutorial session here! →
This video explains Stateful widgets in Flutter, a fundamental concept for building interactive UIs. Learn how `StatefulWidget`s are composed of an immutable widget class and a mutable `State` object, allowing your app to change and react to user interactions. We explore key `State` object methods like `initState`, `setState`, and `dispose`, demonstrating how to effectively manage dynamic data and rebuild your UI efficiently.
Chapters:
0:00 - Introduction: widgets and change
0:58 - `StatefulWidget` vs. `State` object
1:32 - Purpose of the `State` object
1:53 - Initializing state with `initState`
2:27 - Updating UI with `setState`
2:53 - Cleaning up with `dispose`
3:07 - Recap: immutable widgets, mutable state
Resources:
Flutter API reference documentation →
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2026/04/08
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