Getting Started with Flutter

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Flutter has become my go-to for shipping cross-platform apps without maintaining two separate codebases. The tooling is fast, hot reload is genuinely magical, and the widget model clicks once you stop fighting it.

Installing the SDK

Grab the SDK and confirm everything is wired up correctly:

git clone https://github.com/flutter/flutter.git -b stable
export PATH="$PATH:`pwd`/flutter/bin"
flutter doctor

If flutter doctor shows all green checks, you’re ready to go.

A first widget

Every Flutter app is a tree of widgets. Here’s the smallest counter you can write:

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(home: Text('Hello, Flutter'));
  }
}

Where to go next

Once you’re comfortable with stateless and stateful widgets, dig into layout, navigation, and state management. That’s where the real apps live.