The pubspec.yaml File

Cross-Platform Capability

Everything Is a Widget

Material vs Cupertino Widgets

The Widget Tree

Flutter Architecture Layers

The Build Method

MaterialApp Configuration

Hot Reload vs Hot Restart

setState() for UI Updates

What Flutter Is

Dart Programming Language

Stateless vs Stateful Widgets

main() and runApp()

Scaffold Structure

Declarative vs Imperative UI

Basic Layout Widgets

Dart Language

Flutter's Rendering Engine

Cross-Platform Capability

What Flutter Is

Project Structure and Key Files

Common Built-in Widgets

The build Method

Widget Tree and Composition

Declarative UI Paradigm

Stateless vs Stateful Widgets

main() and runApp()

Material vs Cupertino Design

Hot Reload and Hot Restart

Advantages of Flutter

Flutter Architecture Layers

Everything Is a Widget