Flutter App Development Course for the beginners Intro

flutter

1. Flutter Development An Introduction to Cross-Platform Mobile App Development

2. What is Flutter? • Flutter is an open-source UI software development kit by Google. • It enables developers to create cross-platform applications from a single codebase. • Uses the Dart programming language. • Can be used to develop apps for Android, iOS, web, desktop, and more.

3. Why Choose Flutter? • Single codebase for multiple platforms. • Fast development with Hot Reload. • Rich set of pre-designed widgets. • High performance due to direct compilation to native code. • Large and active community.

4. Flutter Architecture • Framework Layer: Includes widgets, rendering, painting, and gestures. • Engine Layer: Written in C++, handles rasterization, graphics, and Dart runtime. • Embedder Layer: Platform-specific code that integrates with the underlying OS.

5. Getting Started with Flutter 1. Install Flutter SDK from flutter.dev. 2. Install an IDE (e.g., Android Studio, VS Code) with Flutter/Dart plugins. 3. Create a new Flutter project using `flutter create project_name`. 4. Run the app with `flutter run`.

6. Flutter Example Code import 'package:flutter/material.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Hello Flutter')), body: Center(child: Text('Welcome to Flutter!')), ), ); } }

7. Conclusion • Flutter is a powerful toolkit for building cross-platform apps. • It offers high performance, flexibility, and a rich set of features. • Growing community and strong support from Google make it a great choice for modern app development.