Installing Flutter on a Mac

As you may know, my day job is developing Ionic applications, but recently, I've seen so much traction on Flutter.

I'm not convinced yet why it would be better or if it's worthwhile learning Dart. But without trying it myself, I feel like I can't have a good opinion about Flutter.

So here we go, let's try and build some apps in Flutter and write down my findings.

Installing Flutter on Mac OS

Let's start with installing Flutter so we can build a basic Hello World application (Hey, who doesn't like those 😂).

I'm a big fan of Homebrew me it's the quickest way to install the Flutter. Open up your favorite terminal and execute the following command.

brew install --cask flutter

Note: At this point, it might be that I have some extra stuff already installed since it has overlap coming from Ionic.

But something cool is the option for Flutter to check if your system is up and running or might be missing some elements.

flutter doctor

This command will check if your system is ready to get started with Flutter. And should give a response similar to this:

Flutter doctor

As you can see, my system only states one issue. But some other resources you need:

Xcode: Setup and installed also accept all licenses
Chrome: As your browser
Android Studio: For the Android builds
Java: Needed for Android builds
VS Code: For editing the software

If you are missing any of these, follow the following steps:

Xcode: Download from the App Store and open up it will guide you through it
Chrome: Download with brew as well brew install --cask google-chrome
Android Studio: Can also be installed with brew: brew install --cask android-studio
Java: This should typically be installed with Android Studio
VS Code: Install with brew brew install --cask visual-studio-code

Creating our first Flutter app

As expected, Flutter comes with the option to generate a basic application with the CLI.

Let's run the following command to create our first app.

flutter create flutter_app

This will create a folder called flutter_app without code inside. Let's navigate to this folder.

cd flutter_app

And now, we can start the app for the first time by running the following command.

flutter run

It will take a while the first time, but a new Chrome window with your app should pop up.

Flutter basic app

This app comes with some basic code we can check to see how it works.

If we quickly inspect the app, we can see that all our app code is located at lib/main.dart this is where a Flutter app will start.

That's all for today. We'll look into modifying the app in another article.

You can also find this default app on GitHub.

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Installing Flutter on a Mac

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