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Shivam Goyal for Enappd

Posted on • Originally published at enappd.com

How to install Flutter on Mac & Windows


In this post, we’ll have an overview of Flutter, the latest buzz in app development market. Flutter is gaining popularity faster than any other framework. Some say it is Google’s answer to Facebook’s React Native, but that debate is for later. Let’s learn the basics of Flutter and how to start using it.

What is Flutter?

Flutter is Google’s portable UI toolkit for crafting high-quality native experiences for mobile, web and desktop in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.

What does Flutter do?

For users, Flutter makes beautiful app UIs come to life.

For developers, Flutter lowers the bar to entry for building mobile apps. It speeds up the development of mobile apps and reduces the cost and complexity of app production across iOS and Android.

For designers, Flutter helps deliver the original design vision, without loss of fidelity or compromises. It also acts as a productive prototyping tool.

What technology is Flutter built with?

Flutter is built with C, C++, Dart, and Skia (a 2D rendering engine). See this architecture diagram for a better picture of the main components.

Why use Flutter?

  • Develop for iOS and Android from a single codebase
  • Do more with less code, even on a single OS, with a modern, expressive language and a declarative approach
  • Experiment by changing code and reloading as your app runs (with hot reload)
  • Fix crashes and continue debugging from where the app left off
  • Benefit from a rich set of Material Design and Cupertino (iOS-flavor) widgets built using Flutter’s own framework
  • Realize custom, beautiful, brand-driven designs, without the limitations of OEM widget sets

How to Install Flutter on Windows?

Minimum System Requirements

  • Operating Systems: Windows 7 or later [64-bit]
  • Disk Space: 400 MB
  • Git for Windows

Get the Flutter SDK

  1. Download Latest Flutter SDK HERE
  2. Unzip the downloaded zip in C:\flutter .
  3. Locate flutter_console.bat inside the flutter directory and start it by double-clicking.

Update your path

If you wish to run Flutter commands in the regular Windows console, take these steps to add Flutter to the PATHenvironment variable:

  • From the Start search bar, type ‘env’ and select Edit environment variables for your account
  • Under User variables check if there is an entry called Path:
  • If the entry does exist, append the full path to flutter\bin using ; as a separator from existing values.
  • If the entry does not exist, create a new user variable named Path with the full path to flutter\bin as its value.
Note that you will have to close and reopen any existing console windows for these changes to take effect.

Run flutter doctor

From a console window which has the Flutter directory in the path (see above), run the following command to see if there are any platform dependencies you need to complete the setup:

C:\flutter>flutter doctor

This command checks your environment and displays a report of the status of your Flutter installation. Check the output carefully for other software you may need to install or further tasks to perform (shown in bold text).

For example:

[-] Android toolchain - develop for Android devices
• Android SDK at C:\Android\sdk
✗ Android SDK is missing command line tools; download from https://goo.gl/XxQghQ
• Try re-installing or updating your Android SDK,
visit https://flutter.dev/setup/#android-setup for detailed instructions.

Android Setup

Flutter relies on a full installation of Android Studio to supply its Android platform dependencies. However, you can write your Flutter apps in a number of editors.

Install Android Studio

  1. Download and install Android Studio.
  2. Start Android Studio, and go through the ‘Android Studio Setup Wizard’. This installs the latest Android SDK, Android SDK Platform-Tools, and Android SDK Build-Tools, which are required by Flutter when developing for Android.

Set up your Android device

To prepare to run and test your Flutter app on an Android device, you’ll need an Android device running Android 4.1 (API level 16) or higher.

  1. Enable Developer options and USB debugging on your device. Detailed instructions are available in the Android documentation.
  2. Windows-only: Install the Google USB Driver
  3. Using a USB cable, plug your phone into your computer. If prompted on your device, authorize your computer to access your device.
  4. In the terminal, run the flutter devices command to verify that Flutter recognizes your connected Android device.

By default, Flutter uses the version of the Android SDK where your adb tool is based. If you want Flutter to use a different installation of the Android SDK, you must set the ANDROID_HOME environment variable to that installation directory.

Install the Flutter and Dart plugins

  1. Start Android Studio.
  2. Open plugin preferences (File > Settings > Plugins).
  3. Select Browse repositories, select the Flutter plugin and click Install.
  4. Click Yes when prompted to install the Dart plugin.
  5. Click Restart when prompted.

How to Install Flutter on MacOS?

Minimum System Requirements

  • Operating Systems: macOS [64-bit]
  • Disk Space: 700 MB
  • Git for macOS

Get the Flutter SDK

  • Download Latest Flutter SDK HERE
  • Extract the file in the desired location e.g.
$ cd ~/development
$ unzip ~/Downloads/flutter_macos_v1.5.4-hotfix.2-stable.zip
  • Add the flutter tool to your path. To do this, open your bash profile from your terminal (might need sudo)
$ sudo vim ~/.bash_profile

Add your flutter path to the $PATH variable in bash_profile.

E.g. If you extracted flutter in your Applications folder, your path will be /Applications/flutter/bin . Add this to the existing $PATH variable by using : in between two paths. Once added, save and close the bash_profile . Run terminal again and check the $PATH by running

$ echo $PATH

You should see your Flutter path added to the $PATH

  • Run flutter precache in the terminal.

Run flutter doctor

Run the following command to see if there are any dependencies you need to install to complete the setup (for verbose output, add the -v flag):

$ flutter doctor

This command checks your environment and displays a report to the terminal window. The Dart SDK is bundled with Flutter; it is not necessary to install Dart separately. Check the output carefully for other software you may need to install or further tasks to perform (shown in bold text).

For example: If you haven’t used Flutter before, you might see an output like this by running flutter doctor


Flutter doctor output on a fresh system

You can see there are several things to be done to begin using Flutter in this Mac. To correct these issues, let’s run following commands

Fix license issue in Android studio

$ flutter doctor --android-licenses

Fix iOS toolchain issues

( Install Xcode command line tools if you are on Mac OS Mojave)

$ brew update
$ brew install --HEAD usbmuxd
$ brew link usbmuxd
$ brew install --HEAD libimobiledevice
$ brew install ideviceinstaller

Update iOS-deploy

$ npm install -g ios-deploy

brew does not maintain it any longer, as flutter doctor suggests

Android Studio — Install Flutter and Dart plugins

  1. Start Android Studio.
  2. Open plugin preferences (Preferences > Plugins on macOS, File > Settings > Plugins on Windows).
  3. Select Browse repositories, select the Flutter plugin and click Install.
  4. Click Yes when prompted to install the Dart plugin.
  5. Click Restart when prompted.

Install Flutter and Dart plugin in Android Studio

Install VSCode Flutter Extension

Now all issues should be gone


We are GO flight!

iOS Setup

Install Xcode

To develop Flutter apps for iOS, you need a Mac with Xcode 9.0 or newer:

  • Install Xcode 9.0 or newer (via web download or the Mac App Store).
  • Configure the Xcode command-line tools to use the newly-installed version of Xcode by running the following from the command line:
$ sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
  • This is the correct path for most cases, when you want to use the latest version of Xcode. If you need to use a different version, specify that path instead.
  • Make sure the Xcode license agreement is signed by either opening Xcode once and confirming or running sudo xcodebuild -license from the command line.

With Xcode, you’ll be able to run Flutter apps on an iOS device or on the simulator.

Set up the iOS simulator

To prepare to run and test your Flutter app on the iOS simulator, follow these steps:

  • On your Mac, find the Simulator via Spotlight or by using the following command:
$ open -a Simulator
  • Make sure your simulator is using a 64-bit device (iPhone 5s or later) by checking the settings in the simulator’s Hardware > Device menu.
  • Depending on your development machine’s screen size, simulated high-screen-density iOS devices may overflow your screen. Set the device scale under the Window > Scale menu in the simulator.

Create and run a simple Flutter app

To create your first Flutter app and test your setup, follow these steps:

  • Create a new Flutter app by running the following from the command line:
$ flutter create my_app

A successful creation will show something like this

A my_app directory is created, containing Flutter’s starter app.


Flutter app directory

CD into this directory:

$ cd my_app

To launch the app in the Simulator, ensure that the Simulator is running and enter:

$ flutter run

Your first Flutter iOS app is running in Simulator !! 👻

Deploy to iOS devices

To deploy your Flutter app to a physical iOS device, you’ll need some additional tools and an Apple account. You’ll also need to set up physical device deployment in Xcode.

  • Install homebrew.
  • Ensure that homebrew is up to date:
$ brew update
  • Install the tools for deploying Flutter apps to iOS devices by running the following commands:
$ brew install --HEAD usbmuxd
$ brew link usbmuxd
$ brew install --HEAD libimobiledevice
$ brew install ideviceinstaller ios-deploy cocoapods
$ pod setup

Android setup

Flutter relies on a full installation of Android Studio to supply its Android platform dependencies. However, you can write your Flutter apps in a number of editors; a later step will discuss that.

Install Android Studio

  1. Download and install Android Studio.
  2. Start Android Studio, and go through the ‘Android Studio Setup Wizard’. This installs the latest Android SDK, Android SDK Platform-Tools, and Android SDK Build-Tools, which are required by Flutter when developing for Android.

Set up your Android device

To prepare to run and test your Flutter app on an Android device, you’ll need an Android device running Android 4.1 (API level 16) or higher.

  1. Enable Developer Options and USB debugging on your device. Detailed instructions are available in the Android documentation.
  2. Windows-only: Install the Google USB Driver
  3. Using a USB cable, plug your phone into your computer. If prompted on your device, authorize your computer to access your device.
  4. In the terminal, run the flutter devices command to verify that Flutter recognizes your connected Android device.
  5. Once ready, run flutter run again to run the app on Android device 😎

By default, Flutter uses the version of the Android SDK where your adb tool is based. If you want Flutter to use a different installation of the Android SDK, you must set the ANDROID_HOME environment variable to that installation directory.

Set up the Android emulator

To prepare to run and test your Flutter app on the Android emulator, follow these steps:

  1. Enable VM acceleration on your machine.
  2. Launch Android Studio > Tools > Android > AVD Manager and select Create Virtual Device. (The Android submenu is only present when inside an Android project.)
  3. Choose a device definition and select Next.
  4. Select one or more system images for the Android versions you want to emulate, and select Next. An x86 or x86_64image is recommended.
  5. Under Emulated Performance, select Hardware — GLES 2.0 to enable hardware acceleration.
  6. Verify the AVD configuration is correct, and select Finish. For details on the above steps, see Managing AVDs.
  7. In Android Virtual Device Manager, click Run in the toolbar. The emulator starts up and displays the default canvas for your selected OS version and device.

More resources for Flutter


YaY..!! 👻 You’re almost done. Now, you are ready to design beautiful Android and iOS Apps with Flutter.

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