Top 7 Flutter development tools

Best tools for Flutter app development

Flutter is currently one of the most popular cross-platform app development frameworks available on the market.  It allows us to create embedded, web, desktop, and mobile apps from a single codebase, so it’s hardly surprising that it is chosen so frequently. Needless to say, if you’re planning to build a cross-platform app, then Flutter should be one of your go-to choices.

In this article, we want to put the focus on our favourite Flutter tools that we use internally at our Flutter development company. They are stable, well documented, and easy to implement – check them out for yourself! 

Best Flutter app development tools

Best Flutter app development tools

1. Dio

A powerful HTTP client for Dart that supports Interceptors, Global configuration, FormData, Request Cancellation, File downloading, Timeout, and much more.

It’s worth mentioning that Flutter itself offers its http package. However, it is more suitable for simple network tasks. In the case of advanced functions, it is much more daunting to use.

Why Dio?

  • Provides an intuitive API for easily performing advanced networking tasks.
  • Offers integration with many additional libraries e.g. retrofit, pretty-dio-logger.
  • Allows us to easily add interceptors to handling requests and errors (i.e refreshing JWT tokens).
  • Makes it easier to handle multiple simultaneous network requests with the safety and error handling 
  • Significantly reduces the boilerplate code while simplifying and clearing it.

2. Hive

Hive is a lightweight and very fast key-value database, written in pure Dart. It is worth mentioning that it was created especially for Flutter.

The right choice of a local database has a huge impact on an application – its performance, ease of maintenance, the amount of time that we spent on app creation, and many other factors. That is why I highly recommend you to choose Hive for your project.

Why Hive?

  • Offers cross-platform support (mobile, desktop, and browser).
  • Provides many built-in functions (e.g. strong encryption),
  • It has great performance – check this article to learn more.
  • Can be used as a substitute for Shared Preferences. In which case we end up depending just on Hive instead of Hive and Shared Preferences. 
  • Provides support for multiple types (not only the basic ones but also DateTime, Uint8List and List and Map of any primitive types).
  • Has a simple, powerful, and intuitive API.
  • Hive is one of the most popular libraries, and it is characterized by stability, maturity, and battle-tested.

3. BLoC

A state management library that helps implement the BLoC (Business Logic Component) quickly and enjoyably.

What exactly is Flutter BLoC? It is a design pattern that helps separate the presentation layer from the business logic layer. Thanks to this, maintaining, testing, and reusing code is much easier.

We’re proud to say that Miquido, is one of the main sponsors of this awesome library!

Why BLoC?

  • Allows us to decompose the state of an application into smaller, well-defined state machines that transform events into states.
  • Represents a reactive approach. So you can say goodbye to maintaining complex subscriptions and lifecycles.
  • Provides us with a lot of tools that are connected to each other. You can find them under this link.
  • A good example is the bloc_test utility library which simplifies testing of reactive code. 
  • It has detailed documentation and high-quality tutorials at various levels of advancement.

4. GetIt

This is a simple Service Locator for Dart and Flutter projects with some additional goodies.

A Service Locator allows us to decouple the interface from a concrete implementation and to access the concrete implementation from everywhere in our app.

As our application grows, we will have to isolate widgets from direct dependencies on classes from the logic layer. This will keep our code more organized and easier to test and maintain.

Why GetIt?

  • It is extremely fast – asymptotic notation O(1).
  • It is also very easy to learn and use.
  • Supports hierarchical scoping of registration.
  • It is a pure Dart dependency injection tool completely independent from UI or Flutter SDK.
  • GetIt is very popular and stable.
  • Helps to implement Dependency Inversion Principle from SOLID.

5. Freezed

Freezed is designed as a language patch, relying on code-generation to implement features that are missing in Dart.

What features am I talking about? If you know any other programming languages ​​such as Kotlin, you may have heard of mechanisms like data class or sealed class. Thanks to them, the code becomes more reliable, readable and simpler. These are some of the many things that Freezed generates. 

Why Freezed?

  • Offers a simple and concise model definition. We just need to define the constructor. We can forget about defining property separately. 
  • Provides support for both data and sealed classes.
  • Implements the ‘==’ operator, hashCode, and toString methods, which respectively compares/shows all properties of the object.
  • Provides JSON handling. Although Freezed will not generate the typical fromJson and toJson methods on its own, it recognizes the json_serializable library and ensures full compatibility with it
  • Freezed has built-in the copyWith with many other methods such as: when, maybeWhen, map, maybeMap.

6. Equatable

A Dart package that helps to implement value-based equality without needing to explicitly override ‘==’ and hashCode

The classic process of comparing objects in Dart is ineffective, boring, and generates lots of boilerplate code. That’s why the Equatable package was created.

Why Equatable?

  • Supports the implementation of the ‘==’ operator, hashCode and toString methods
  • Allows us to create a class whose properties don’t change. On the other hand, it’s giving us a method called ‘props’, that returns a list with the chosen properties from the class

Which package should you choose? Freezed or Equatable?

It is a matter of personal preference since the result is very similar. However, it is worth remembering that both tools have a different scope of operations.

Equatable is an abstract class that offers value-based equality with no code generation. On the other hand, Freezed is a code generator that uses annotations to build data/sealed classes. Thanks to it you’ll get automatically generated value-based equality, a lot of functionalities such as copyWith, and JSON serialization support in one place.

It all depends on the case you are considering.

7. Flutter Lints

The Lint system is a static analyzer for identifying possible problems in your source code.

Flutter lint contains a recommended set of lints for Flutter apps, packages, and plugins to encourage good coding practices. It was built on top of Dart’s set of lints from package: lints.

There are over a hundred linter rules available to check for anything from potential typing problems, coding style, and formatting. 

Why Linter?

  • Enforces you to write code using a single, idiomatic style and format.
  • Helps to identify common errors, such as dangerous data type combinations.
  • Checks many things, including syntax errors and structural problems.

Summary

Flutter is a framework that is growing very quickly, which is one of the reasons why many libraries are still appearing on the market.

Unfortunately, many of them will soon become deprecated. Why? They have poor support, tough documentation, or not enough people use them. That’s why you should always use libraries that have good support and are used by big players. Those mentioned in our article fit all the criteria, and they’ve proven to be excellent tools for the Flutter app development process.Make sure to try them out! 

Additional resources:

Check the author’s website here.

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Written by:

Kamil Krzysztof

Senior Android Developer Kamil is a Senior Android Developer at Miquido, specializing in creating high-performance mobile applications. He ensures clients receive top-quality, user-friendly apps that stand out in the market. Kamil is passionate about sharing his Android expertise and keeping up with the latest industry advancements.
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The administrator of your personal data is Miquido sp. z o.o. sp.k.,... with its registered office in Kraków at Zabłocie 43A, 30 - 701. We process the provided information in order to send you a newsletter. The basis for processing of your data is your consent and Miquido’s legitimate interest. You may withdraw your consent at any time by contacting us at marketing@miquido.com. You have the right to object, the right to access your data, the right to request rectification, deletion or restriction of data processing. For detailed information on the processing of your personal data, please see Privacy Policy.

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