Installing Flutter SDK

Installing Flutter SDK

About

  • Flutter SDK contains tools to build Flutter apps
  • Platform-specific installation required
  • Includes Dart SDK, compilers, and tooling
  • Verified through flutter doctor

Main Topics

  1. System Requirements

    • Definition: Hardware/OS prerequisites
    • Example: 
      # Windows:
# - Windows 10+
# - 1.64 GB disk space

  2. Download Methods

    • Definition: Official distribution channels
    • Example: 
      # Stable channel:
git clone https://github.com/flutter/flutter.git -b stable

  3. Environment Setup

    • Definition: PATH configuration
    • Example: 
      # Add to PATH:
export PATH="$PATH:`pwd`/flutter/bin"

  4. Flutter Doctor

    • Definition: Diagnostic tool
    • Example: 
      flutter doctor
# Checks:
# - Flutter
# - Android/iOS tooling
# - Connected devices

  5. Channel Management

    • Definition: Release channels
    • Example: 
      flutter channel stable
flutter upgrade

How to Use

  • Install: Follow platform guide
  • Verify: Run flutter doctor
  • Update: Regular upgrades
  • Switch: Between channels

How It Works

  1. Download: SDK bundle
  2. Extract: Tools/binaries
  3. PATH: Make commands available
  4. Doctor: Validate setup

Example Installation:

# MacOS example:
brew install --cask flutter
flutter precache
flutter doctor

Conclusion

The Flutter SDK provides a complete toolchain for developing, testing, and deploying Flutter applications across all supported platforms. Proper installation and configuration through flutter doctor ensures a smooth development experience with access to Flutter’s full capabilities.