Getting Started with Flutter: Installation and Setup

Are you ready to dive into the world of mobile app development? Look no further than Flutter, the open-source mobile app framework created by Google. Flutter allows developers to create high-quality, native mobile apps for both iOS and Android platforms using a single codebase.

In this guide, we'll walk you through the installation and setup process for Flutter, so you can start building your own mobile apps today!

System Requirements

Before we get started, let's make sure your system meets the requirements for Flutter development. Flutter can be installed on Windows, macOS, and Linux operating systems.

Here are the minimum system requirements for each:

You'll also need to make sure your system has the following dependencies installed:

Installing Flutter

Now that you've confirmed your system meets the requirements, it's time to install Flutter.

  1. First, download the Flutter SDK from the official Flutter website at

  2. Extract the downloaded file to a location on your system. For example, on macOS, you can extract the file to your home directory by running the following command in Terminal:

    cd ~
    tar xf ~/Downloads/flutter_macos_2.2.3-stable.tar.xz
  3. Add the Flutter SDK to your system path. This allows you to run the flutter command from anywhere in your terminal.

    • Windows: From the Start menu, search for "Environment Variables". Click "Edit the system environment variables". In the System Properties window, click the "Environment Variables" button. Under "System Variables", scroll down and select "Path", then click "Edit". Click "New" and add the path to the Flutter SDK folder. For example, C:\src\flutter\bin.

    • macOS and Linux: Open your terminal and navigate to your home directory. Open the .bash_profile file (or create it if it doesn't exist) by running the command nano .bash_profile. Add the following line to the file, replacing [PATH_TO_FLUTTER_SDK] with the path to your Flutter SDK folder:

      export PATH="$PATH:[PATH_TO_FLUTTER_SDK]/flutter/bin"

      Save the file and exit the editor. Then, run the command source .bash_profile to apply the changes.

  4. Verify that Flutter is installed correctly by running the command flutter doctor in your terminal. This command checks your system for any missing dependencies or configuration issues.

    If everything is installed correctly, you should see output similar to the following:

    Doctor summary (to see all details, run flutter doctor -v):
    [✓] Flutter (Channel stable, 2.2.3, on macOS 11.4 20F71 darwin-x64, locale en-US)
    [✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
    [✓] Xcode - develop for iOS and macOS
    [✓] Chrome - develop for the web
    [✓] Android Studio (version 4.2)
    [✓] VS Code (version 1.58.0)
    [✓] Connected device (2 available)
    • No issues found!

Congratulations, you've successfully installed Flutter on your system!

Setting up an IDE

Flutter can be developed using any text editor or IDE of your choice. However, for the best development experience, we recommend using either Android Studio or Visual Studio Code with the Flutter and Dart plugins installed.

Android Studio

  1. Download and install Android Studio.

  2. Open Android Studio and select "Configure" from the welcome screen.

  3. Select "Plugins" from the dropdown menu.

  4. Search for "Flutter" and click "Install".

  5. Restart Android Studio to apply the changes.

Visual Studio Code

  1. Download and install Visual Studio Code.

  2. Open Visual Studio Code and select "Extensions" from the left-hand menu.

  3. Search for "Flutter" and "Dart" and click "Install" for each.

  4. Restart Visual Studio Code to apply the changes.

Creating your first Flutter app

Now that you have Flutter installed and your IDE set up, it's time to create your first Flutter app!

  1. Open your IDE and create a new Flutter project.

    • In Android Studio, select "Start a new Flutter project" from the welcome screen. Choose a project name and location, and select "Finish".
    • In Visual Studio Code, open the command palette by pressing Ctrl+Shift+P (Windows/Linux) or Cmd+Shift+P (macOS). Type "Flutter: New Project" and select it from the list. Choose a project name and location, and select "Create".
  2. Once your project is created, open the main.dart file in the lib folder. This is where you'll write the code for your app.

  3. Replace the existing code with the following:

    import 'package:flutter/material.dart';
    void main() {
    class MyApp extends StatelessWidget {
      Widget build(BuildContext context) {
        return MaterialApp(
          title: 'My First Flutter App',
          home: Scaffold(
            appBar: AppBar(
              title: Text('My First Flutter App'),
            body: Center(
              child: Text('Hello, world!'),

    This code creates a simple "Hello, world!" app with a Material design theme.

  4. Save the file and run the app by pressing the "Run" button in your IDE.

    • In Android Studio, select the "main.dart" file and click the green "Run" button in the toolbar.
    • In Visual Studio Code, open the command palette and type "Flutter: Run" and select it from the list.

    Your app should launch in an emulator or on a connected device. Congratulations, you've created your first Flutter app!


In this guide, we've walked you through the installation and setup process for Flutter, as well as creating your first Flutter app. With Flutter, you can create high-quality, native mobile apps for both iOS and Android platforms using a single codebase.

Now that you're up and running with Flutter, the possibilities are endless. Happy coding!

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