Setting Up Flutter on Windows/Mac/Linux

✅ Setting Up Flutter on Windows, macOS, or Linux

Flutter is an open-source framework by Google used to build cross-platform apps for Android, iOS, web, and desktop — all from a single codebase.


🔧 System Requirements

Windows

Windows 10 or 11 (64-bit)


PowerShell 5.0 or newer


Git (for version control)


Disk space: ~1.5 GB (more for Android Studio)


macOS

macOS 12 (Monterey) or later


Xcode (for iOS development)


Git


Disk space: ~2 GB+


Linux

Recent 64-bit Linux distribution


Bash, mkdir, rm, git, curl, unzip (typically pre-installed)


Disk space: ~600 MB+


📦 Step 1: Download Flutter SDK

Go to the official Flutter website:

👉 https://flutter.dev/docs/get-started/install


Choose your operating system and download the Flutter SDK.


🗂 Step 2: Extract the Flutter SDK

Windows

Extract the .zip file to a directory like C:\src\flutter


macOS / Linux

Extract the .tar.xz file to a location like ~/development/flutter using:


bash

Copy

Edit

tar xf flutter_linux_*.tar.xz

🛠 Step 3: Add Flutter to Your PATH

Windows

Open Environment Variables.


Edit the Path variable.


Add the path to the flutter/bin directory (e.g., C:\src\flutter\bin).


macOS/Linux

Add this line to your shell config file:


bash

Copy

Edit

export PATH="$PATH:$HOME/development/flutter/bin"

Then run:


bash

Copy

Edit

source ~/.bashrc  # or ~/.zshrc depending on your shell

✅ Step 4: Verify Installation

Open a terminal or command prompt and run:


bash

Copy

Edit

flutter doctor

This command checks your environment and shows what needs to be fixed (e.g., missing Android SDK or Xcode).


📱 Step 5: Set Up Android (and iOS on macOS)

Android (all platforms)

Install Android Studio from https://developer.android.com/studio


Open it, go to SDK Manager, install:


Android SDK


SDK Platform Tools


Android Emulator (optional but useful)


iOS (macOS only)

Install Xcode from the App Store


Run sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer


Agree to Xcode license: sudo xcodebuild -license


📲 Step 6: Create and Run a Flutter App

Create a new app

bash

Copy

Edit

flutter create my_app

cd my_app

Run the app

Use a physical device or emulator/simulator


bash

Copy

Edit

flutter run

🧪 Bonus: Enable Web or Desktop Support (optional)

Web

bash

Copy

Edit

flutter config --enable-web

macOS Desktop

bash

Copy

Edit

flutter config --enable-macos-desktop

Windows/Linux Desktop

bash

Copy

Edit

flutter config --enable-windows-desktop   # or --enable-linux-desktop

Then run:


bash

Copy

Edit

flutter devices

to see all available targets.


🚀 You're Ready!

You’ve now set up Flutter on your system! You can start building cross-platform apps with a single codebase.

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