Category: Flutter

Build UI that depends only on configuration with StatelessWidget.

Manage local mutable UI state with StatefulWidget and setState.

Learn initState, didUpdateWidget, dispose, and build timing.

Use MaterialApp and Material widgets for Android-style UI.

Use generative, named, and factory constructors.

Extend classes and override members for shared behavior.

Define contracts with abstract classes and implements.

Catch errors with try/catch/finally and custom Exception types.

Write asynchronous code with Future, async, and await.

Write named, optional, and arrow functions.