Flutter Best Practices to Follow in 2022


Nowadays, the mobile app development market is growing continuously, many developers rely on the best platform to make cross-platform apps. Flutter is a highly demanding cross-platform mobile framework.

When it comes to using Flutter, you need to understand best practices. Experts help you realize essential practices for app development. It is the best way to simplify the app development process. Best practices are helpful for flutter programmers to create and design with Flutter to enhance productivity, code usability, maintainability, and readability.

1. Use refractory code in the widget:

You can get immense benefits from the widget when using refractory code in the widget lifecycle. It will restructure when something changes in the widget. It is the best way to avoid unnecessary rebuilds and enhance performance. It provides all the optimizations that Flutter brings to the widget class.

class HelloWidget extends StatelessWidget {

const HelloWidget({

Key? key,

}) : super(key: key);


Widget build(BuildContext context) {

return Text('Hello');



2. State management:

The Flutter framework never requires any state management by default. It may also wind up a messy combination based on the specific parameter. Using a simple solution is always recommended for state management. When using them for the Flutter project, you can ensure the maintainability and scalability of the application.

  • On the other hand, a stateful widget is also the best option for state management.
  • It never scales when you need to keep the state across the different screens, like the authentication state of the user.
  • State management lets you have to store anything and also change anything.
  • All the widgets will also modify automatically.

In Flutter app development, you can come across different options for state management. App developers use the choice based on the level of comfort and experience. The BloC pattern is an essential option for state management.

3. Keep well-defined architecture:

Flutter is a wonderful app development framework. It is easier to learn and understand than other frameworks for iOS and android. It is a good platform for code and design. Whether you fail to keep well-defined architecture, things will mix up quickly. Proper architecture manages different layers like presentation, business logic, and data. Bloc library comes with a great set of options for good architecture.

4. Use perfect dart style:

Dart style is the most crucial part of Flutter application development. A well-defined style guide accepts convention and enhances code quality. Using a consistent style in a project makes it easier for the team to understand and work together. It is also suitable for new programmers. In that way, managing regular and constant style aids the project in the long run.

  • The development team can be comfortable with a dart and define a custom style guide.
  • Dart brings an official style guide to developers.
  • Linter is also a good idea in a Flutter project and is valuable for a large team.

5. Choose the ideal package:

The Flutter ecosystem provides adequate support to the Flutter app developer. You can use a reusable piece of code that acts as libraries. It may also be known as packages in the Flutter ecosystem. Whether you want to utilize the package for functionality, it is vital to look at essential factors.

  • You should check when the package is updated and prevent utilizing a stale package.
  • If the package maintains good popularity, it is possible to identify community support.
  • Check open issues in the package code repository is necessary to know issues that influence the functionality of the project.
  • Team also focuses on how often packages get updated and take complete advantage of advanced dart attributes.
  • If you use some functionality from the package, it is ideal for writing code and copying them.

6. Perform test for critical functionality:

Flutter developers focus on the best solution to save time and effort. Using an automated set of tests helps a team to save effort and time. Cross-platform mobile framework targets different platforms and testing single functionality after changes requires effort. 100% code coverage for testing is a good choice for expertise.

When it comes to testing, you should consider the budget and available time. You can use at least a test for the critical functionality of the app. Integration test let’s run a test on the emulator and physical devices. A developer also uses the firebase test lab to run tests on different devices.

7. Integrate streams if necessary:

Streams are very effective and utilize them for stunning responsibility to use resources ideally. Keeping streams with poor implementation takes more CPU usage and memory. Apart from that, it may close the stream that causes memory leaks.

A stream can be used when engineers deal with the different asynchronous events. Some developers utilize changenotifier for reactive UI. If you create a project for advanced functionality, you can adapt the Bloc library that requires resources. It allows the team to access a simple interface to create a reactive UI.

8. Concept of constraints:

Every Flutter app expert must know the Flutter layout rule. The team must understand rules like sizes go up, constraints go down, and parents set position. The widget comes with its own constraint from a parent. Constraint covers different components like minimum and maximum height and minimum and maximum width.

Widget moves via its own list of children one after another. It is responsible for commenting on children about constraints and inquires every child about the size. Widget places children horizontally and vertically. It also alerts parents about size within original constraints. All the widgets bring themselves of box constraint and parent.

Developers must consider the best practice in Flutter app development to make code readable. It is an effective means of the app performance and functionality in a Flutter.


Best practices for Flutter app development help developers ease down the work of the developing process. You can hire Flutter developers and consult with them to overcome the challenges of developing the app. Experts will assist you in completing the project on time without hassle.

Frequently Asked Questions (FAQs)

1. What is cross-platform app development?

Cross-platform application development is to create a single application that will run on different operating systems instead of designing numerous versions of the application for each platform.

2. What is a refactor into the Flutter Widget?

Refactor is the most crucial part of Flutter application development. It is useful in programming to break up the code into sub-parts to reuse the code, or else you have designed a button, and you want to utilize that same button overall in the app so that you might refactor it into another file.

3. What is BLoC in Flutter development?

This variation of the classical pattern has been developed from the community of Flutter. BLoC stands for Business Logic Components. In the app, everything should be represented as the flow of events like Widgets submit events, and the other widgets will respond with the help of BLoC.


Resource Url : https://bosctechlabs.com/flutter-best-practices-to-follow-in-2022/

What is GEEK

Buddha Community

Google's Flutter 1.20 stable announced with new features - Navoki

Flutter Google cross-platform UI framework has released a new version 1.20 stable.

Flutter is Google’s UI framework to make apps for Android, iOS, Web, Windows, Mac, Linux, and Fuchsia OS. Since the last 2 years, the flutter Framework has already achieved popularity among mobile developers to develop Android and iOS apps. In the last few releases, Flutter also added the support of making web applications and desktop applications.

Last month they introduced the support of the Linux desktop app that can be distributed through Canonical Snap Store(Snapcraft), this enables the developers to publish there Linux desktop app for their users and publish on Snap Store.  If you want to learn how to Publish Flutter Desktop app in Snap Store that here is the tutorial.

Flutter 1.20 Framework is built on Google’s made Dart programming language that is a cross-platform language providing native performance, new UI widgets, and other more features for the developer usage.

Here are the few key points of this release:

Performance improvements for Flutter and Dart

In this release, they have got multiple performance improvements in the Dart language itself. A new improvement is to reduce the app size in the release versions of the app. Another performance improvement is to reduce junk in the display of app animation by using the warm-up phase.


If your app is junk information during the first run then the Skia Shading Language shader provides for pre-compilation as part of your app’s build. This can speed it up by more than 2x.

Added a better support of mouse cursors for web and desktop flutter app,. Now many widgets will show cursor on top of them or you can specify the type of supported cursor you want.

Autofill for mobile text fields

Autofill was already supported in native applications now its been added to the Flutter SDK. Now prefilled information stored by your OS can be used for autofill in the application. This feature will be available soon on the flutter web.


A new widget for interaction

InteractiveViewer is a new widget design for common interactions in your app like pan, zoom drag and drop for resizing the widget. Informations on this you can check more on this API documentation where you can try this widget on the DartPad. In this release, drag-drop has more features added like you can know precisely where the drop happened and get the position.

Updated Material Slider, RangeSlider, TimePicker, and DatePicker

In this new release, there are many pre-existing widgets that were updated to match the latest material guidelines, these updates include better interaction with Slider and RangeSliderDatePicker with support for date range and time picker with the new style.


New pubspec.yaml format

Other than these widget updates there is some update within the project also like in pubspec.yaml file format. If you are a flutter plugin publisher then your old pubspec.yaml  is no longer supported to publish a plugin as the older format does not specify for which platform plugin you are making. All existing plugin will continue to work with flutter apps but you should make a plugin update as soon as possible.

Preview of embedded Dart DevTools in Visual Studio Code

Visual Studio code flutter extension got an update in this release. You get a preview of new features where you can analyze that Dev tools in your coding workspace. Enable this feature in your vs code by _dart.previewEmbeddedDevTools_setting. Dart DevTools menu you can choose your favorite page embed on your code workspace.

Network tracking

The updated the Dev tools comes with the network page that enables network profiling. You can track the timings and other information like status and content type of your** network calls** within your app. You can also monitor gRPC traffic.

Generate type-safe platform channels for platform interop

Pigeon is a command-line tool that will generate types of safe platform channels without adding additional dependencies. With this instead of manually matching method strings on platform channel and serializing arguments, you can invoke native class and pass nonprimitive data objects by directly calling the Dartmethod.

There is still a long list of updates in the new version of Flutter 1.2 that we cannot cover in this blog. You can get more details you can visit the official site to know more. Also, you can subscribe to the Navoki newsletter to get updates on these features and upcoming new updates and lessons. In upcoming new versions, we might see more new features and improvements.

You can get more free Flutter tutorials you can follow these courses:

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bindu singh

bindu singh


Procedure To Become An Air Hostess/Cabin Crew

Minimum educational required – 10+2 passed in any stream from a recognized board.

The age limit is 18 to 25 years. It may differ from one airline to another!


Physical and Medical standards –

  • Females must be 157 cm in height and males must be 170 cm in height (for males). This parameter may vary from one airline toward the next.
  • The candidate's body weight should be proportional to his or her height.
  • Candidates with blemish-free skin will have an advantage.
  • Physical fitness is required of the candidate.
  • Eyesight requirements: a minimum of 6/9 vision is required. Many airlines allow applicants to fix their vision to 20/20!
  • There should be no history of mental disease in the candidate's past.
  • The candidate should not have a significant cardiovascular condition.

You can become an air hostess if you meet certain criteria, such as a minimum educational level, an age limit, language ability, and physical characteristics.

As can be seen from the preceding information, a 10+2 pass is the minimal educational need for becoming an air hostess in India. So, if you have a 10+2 certificate from a recognized board, you are qualified to apply for an interview for air hostess positions!

You can still apply for this job if you have a higher qualification (such as a Bachelor's or Master's Degree).

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Terry  Tremblay

Terry Tremblay


What is Flutter and why you should learn it?

Flutter is an open-source UI toolkit for mobile developers, so they can use it to build native-looking** Android and iOS** applications from the same code base for both platforms. Flutter is also working to make Flutter apps for Web, PWA (progressive Web-App) and Desktop platform (Windows,macOS,Linux).


Flutter was officially released in December 2018. Since then, it has gone a much stronger flutter community.

There has been much increase in flutter developers, flutter packages, youtube tutorials, blogs, flutter examples apps, official and private events, and more. Flutter is now on top software repos based and trending on GitHub.

Flutter meaning?

What is Flutter? this question comes to many new developer’s mind.


Flutter means flying wings quickly, and lightly but obviously, this doesn’t apply in our SDK.

So Flutter was one of the companies that were acquired by **Google **for around $40 million. That company was based on providing gesture detection and recognition from a standard webcam. But later when the Flutter was going to release in alpha version for developer it’s name was Sky, but since Google already owned Flutter name, so they rename it to Flutter.

Where Flutter is used?

Flutter is used in many startup companies nowadays, and even some MNCs are also adopting Flutter as a mobile development framework. Many top famous companies are using their apps in Flutter. Some of them here are





Reflectly app

Reflectly app

Abbey Road Studios

Abbey Road Studios

and many more other apps. Mobile development companies also adopted Flutter as a service for their clients. Even I was one of them who developed flutter apps as a freelancer and later as an IT company for mobile apps.

Flutter as a service

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Punith Raaj


The Ultimate Guide To Tik Tok Clone App With Firebase - Ep 2

The Ultimate Guide To Tik Tok Clone App With Firebase - Ep 2
In this video, I'm going to show you how to make a Cool Tik Tok App a new Instagram using Flutter,firebase and visual studio code.

In this tutorial, you will learn how to Upload a Profile Pic to Firestore Data Storage.

🚀 Nice, clean and modern TikTok Clone #App #UI made in #Flutter⚠️

Starter Project : https://github.com/Punithraaj/Flutter_Tik_Tok_Clone_App/tree/Episode1

► Timestamps 
0:00 Intro 0:20 
Upload Profile Screen 
16:35 Image Picker
20:06 Image Cropper 
24:25 Firestore Data Storage Configuration.

⚠️ IMPORTANT: If you want to learn, I strongly advise you to watch the video at a slow speed and try to follow the code and understand what is done, without having to copy the code, and then download it from GitHub.

► Social Media 
GitHub: https://github.com/Punithraaj/Flutter_Tik_Tok_Clone_App.git
LinkedIn: https://www.linkedin.com/in/roaring-r...
Twitter: https://twitter.com/roaringraaj
Facebook: https://www.facebook.com/flutterdartacademy

► Previous Episode : https://youtu.be/QnL3fr-XpC4
► Playlist: https://youtube.com/playlist?list=PL6vcAuTKAaYe_9KQRsxTsFFSx78g1OluK

I hope you liked it, and don't forget to like,comment, subscribe, share this video with your friends, and star the repository on GitHub!
⭐️ Thanks for watching the video and for more updates don't forget to click on the notification. 
⭐️Please comment your suggestion for my improvement. 
⭐️Remember to like, subscribe, share this video, and star the repo on Github :)

Hope you enjoyed this video!
If you loved it, you can Buy me a coffee : https://www.buymeacoffee.com/roaringraaj

LIKE & SHARE & ACTIVATE THE BELL Thanks For Watching :-)

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