Flutter Doctor Can Check Your Flutter Installation

This article will go over how to check our Flutter setup using the Flutter Doctor tool.

Introduction

Flutter Doctor

When we write, run, and debug code across several platforms, additional tooling is frequently needed in Flutter development environments. It can be challenging to set everything up.

To assist developers in setting up their environment, Flutter Doctor was developed. It checks the developer’s PC to make sure Flutter has been installed and is operational.

Every time we update or modify our system settings, we may run Flutter to make sure Flutter is still configured properly.

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How can the Flutter Doctor help?

The following duties are carried out by the Flutter Doctor:

  • downloads the files the development environment needs that are missing.
  • ensures the following has been installed:
  • Apple Xcode (on a Mac) Android SDK
  • makes sure that all software development licenses have been approved.
  • examines the configuration of the Android Studio IDE and suggests any adjustments necessary to make it compatible with Flutter.
  • verifies any attached devices.
  • confirms that any attached hardware devices can be recognized by Flutter.
  • recommends any modifications necessary to get them linked and operational.
  • generates a diagnosis with a list of the problems encountered and suggestions.

Flutter Doctor on Mac Terminal running

The Mac’s built-in Terminal program can be used to run Flutter. The Terminal can be opened by:

By simultaneously hitting the Command and Space buttons, Spotlight Search is activated.
Then, we may open a Terminal in Spotlight Search by pressing the Return key.
We can input the following and press enter once the Terminal is open:

doctor flutter -v
The output of Flutter Doctor should now appear in the Terminal.

Output from Flutter Doctor

When launched, Flutter Doctor generates a report on the “health” of your configuration. Let’s examine an example output to see how Futter Doctor can be used to correct the problems.

Flutter Doctor has identified two problems with our setup in this instance.

We must first accept the licenses for Android. Run flutter doctor –android-licenses, advises Flutter Doctor, to fix the problem.

Second, according to Flutter, Xcode is not currently installed. By installing Xcode, executing the required tasks, and installing CocoaPods (a packaging system used in iOS and macOS app development), we may fix this by following the instructions.

On our device, we might not see this output; there might be other problems or nothing at all. In any case, Flutter will offer instructions for resolving any issues with our setup.

After resolving our problems, we may create Flutter applications.

Flutter Doctor in the Windows Command Prompt

By using the command prompt, we may run Flutter Doctor on a computer. Clicking on the Windows Start button will allow us to launch the command prompt. entering the command prompt after typing it.

We can input the following and press enter once the command prompt is open:

doctor flutter -v
The output of Flutter Doctor will be shown in the command prompt window.

Review

Congratulations! Let’s recap the details we discovered regarding the Flutter Doctor:

Flutter Doctor verifies that everything in our setup is installed and configured.
When a problem arises, Flutter Doctor will offer suggestions for resolving it.
When we first install or when we upgrade our system, we should run Flutter.
We have reviewed our setup, and now it’s time to start our first project!

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Frequently Asked Questions :

What does a flutter doctor do?

Flutter Doctor was created to help developers set up their environment. It diagnoses the developer’s computer to ensure we’ve installed Flutter and it is ready to use. We can run Flutter Doctor anytime we update or change our system configuration to ensure continues to be set up correctly.

How do I run flutter doctor in CMD?

In CMD, run the flutter doctor command to confirm the installed tools along with brief descriptions. C:\Users\tomz>flutter doctor Running “flutter pub get” in flutter_tools… 8,9s Doctor summary (to see all details, run flutter doctor -v): [√] Flutter (Channel stable, 2.10. 4, on Microsoft Windows [Version 10.0.

Is Flutter a good job?

1. Is Flutter a high-paying job? While entry-level jobs may not be high-paying for Flutter developers, with a few years of experience and expertise in specifically Flutter projects, a Flutter developer can expect good growth in terms of experience and salary.

Conclusion

Flutter is a powerful and versatile framework for building cross-platform mobile applications. With its rich set of widgets, fast development cycle, and excellent performance, Flutter has gained popularity among developers worldwide.

We hope this information has increased your understanding of the Flutter Doctor. In the comments section, please ask any questions you may have.

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