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Explore BDD in Flutter

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In this article, we will Explore BDD in Flutter. We perceive how to execute a demo program. We will show you how to use BDD in Flutter with the bdd_widget_test package to write behaviour-driven tests in your Flutter applications.

For bdd_widget_test:

bdd_widget_test | Flutter package
A BDD-style widget testing library. Generates Flutter widget tests from *.feature files.pub.dev

If you’re looking for the best Flutter app development company for your mobile application then feel free to contact us at — support@flutterdevs.com.


Table Of Contents::

Introduction

Implementation

Code Implement

Conclusion



Introduction:

A collaborative approach to software development, behavior-driven development (BDD) focusses on the intended behaviour of the application as seen by the user in natural language. It entails using the Gherkin syntax, which explains application behaviour in Given-When-Then words, to write test scenarios in an organised manner.

This strategy guarantees that everyone involved is aware of how the application works. All of the functionality for retrieving posts and managing errors will be covered by the BDD-style test cases that we create. The example uses get_it for dependency injection and is built on a clean architecture.

Implementation:

Step 1: Add the dependencies

Include build_runner and bdd_widget_test in your pubspec.yaml file’s dev_dependencies section:

dev_dependencies:
  build_runner:latest version 
  bdd_widget_test:latest version 

Step 2: Run flutter packages get in the root directory of your app

Run the command:

flutter pub get

How to implement code in your file :

You need to implement it in your code respectively:

In the project’s test directory, create a Posts.feature file and add the following content:

Feature: Posts
    Situation: When the app is running, 
    users should see a list of posts. 
    Instead, I see the {CircularProgressIndicator} 
    widget.
    After waiting, I see a list of posts instead 
    of the {CircularProgressIndicator} widget.

   Situation: When retrieving posts, users should 
   notice an error.
   I see the phrase "Api failed error" when the 
   program is running with {sendError:true}, 
   but I don't see the {CircularProgressIndicator} widget.

Next, run the following command in your terminal:

dart run build_runner build --delete-conflicting-outputs

A posts_test.dart file and a step folder with the files i_see_posts_list.dart and the_app_is_running.dart will be produced as a result.

Now, we will create the_app_is_running.dart file:

We configure the application state and simulate PostCubit activity in this file:

import 'package:flutter_forge/presentation/bloc/post_cubit.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_forge/main.dart';
import '../mocks.dart';
Future<void> theAppIsRunning(
  WidgetTester tester, {
  bool sendError = false,
}) async {
  if (getIt.isRegistered<PostCubit>()) {
    getIt.unregister<PostCubit>();
  }
  getIt.registerFactory(
    () => PostCubit(
      getMockUsecase(
        sendError: sendError,
      ),
    ),
  );
  await tester.pumpWidget(const MyApp());
}

Now, we will create mocks.dart file:

Depending on the sendError argument, this file either throws an error or delivers mock data:

import 'package:flutter_forge/domain/model/post_model.dart';
import 'package:flutter_forge/domain/usecases/get_posts_usecase.dart';
import 'package:get_it/get_it.dart';
import 'package:mocktail/mocktail.dart';

GetIt getIt = GetIt.instance;

class MockPostUsecase extends Mock implements GetPostsUseCase {}

GetPostsUseCase getMockUsecase({bool sendError = false}) {
  final mock = MockPostUsecase();
  if (sendError) {
    when(() => mock.execute()).thenThrow(Exception());
  } else {
    when(() => mock.execute()).thenAnswer(
      (_) => Future.value([
        Post(id: 1, title: "test1", body: "body1"),
        Post(id: 2, title: "test2", body: "body2"),
        Post(id: 3, title: "test3", body: "body3"),
      ]),
    );
  }
  return mock;
}

Now , we will create i_see_posts_list.dart file:

We confirm that the posts are visible in this file:

import 'package:bdd_widget_test/step/i_see_text.dart';
import 'package:flutter_test/flutter_test.dart';

/// Usage: I see posts list
Future<void> iSeePostsList(WidgetTester tester) async {
  await iSeeText(tester, "test1");
  await iSeeText(tester, "body1");

  await iSeeText(tester, "test2");
  await iSeeText(tester, "body2");

  await iSeeText(tester, "test3");
  await iSeeText(tester, "body3");
}

The generated posts_test.dart file integrates the steps to define the test scenarios:

// GENERATED CODE - DO NOT MODIFY BY HAND
// ignore_for_file: unused_import, directives_ordering

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import './step/the_app_is_running.dart';
import 'package:bdd_widget_test/step/i_see_widget.dart';
import 'package:bdd_widget_test/step/i_wait.dart';
import './step/i_see_posts_list.dart';
import 'package:bdd_widget_test/step/i_dont_see_widget.dart';
import 'package:bdd_widget_test/step/i_see_text.dart';

void main() {
  group('''Posts''', () {
    testWidgets('''Users should see list of Posts''', (tester) async {
      await theAppIsRunning(tester);
      await iSeeWidget(tester, CircularProgressIndicator);
      await iWait(tester);
      await iSeePostsList(tester);
      await iDontSeeWidget(tester, CircularProgressIndicator);
    });
    testWidgets('''Users should see error while fetching posts''',
        (tester) async {
      await theAppIsRunning(tester, sendError: true);
      await iSeeText(tester, "Api failed error");
      await iDontSeeWidget(tester, CircularProgressIndicator);
    });
  });
}

Run the Tests:

Use the following command to run the tests:

flutter test

For a report on coverage, use:

flutter test --coverage && genhtml coverage/lcov.info -o coverage/html && open coverage/html/index.html

Conclusion:

In the article, I have explained the Explore BDD in Flutter; you can modify this code according to your choice. This was a small introduction to the Explore BDD in Flutter User Interaction from my side, and it’s working using Flutter.

I hope this blog will provide you with sufficient information on Trying the Explore BDD in your Flutter projectsWe will show you what the Introduction is. Writing behavior-driven tests to make sure your Flutter application satisfies user expectations is made simple by using BDD with the bdd_widget_test package. You can ship high-quality apps with confidence when every functionality is covered. So please try it.

❤ ❤ Thanks for reading this article ❤❤

If I need to correct something? Let me know in the comments. I would love to improve.

Clap 👏 If this article helps you.


From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutter developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any flutter-related queries, you can connect with us on FacebookGitHubTwitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.


Integrating Firebase Auth in FlutterFlow: Step-by-Step Guide

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In today’s app-driven world, user authentication is essential for most mobile and web applications. Whether you’re building a social app, e-commerce platform, or internal business tool, securely identifying users is critical. Luckily, FlutterFlow—a powerful visual development platform—makes it easy to integrate Firebase Authentication without needing to write complex code.

In this blog, we’ll walk through the step-by-step process of integrating Firebase Auth in your FlutterFlow project, covering email/password login, sign-up, and guest login.

What is Firebase Authentication?

Firebase Authentication is a service that can authenticate users using only client-side code. It supports multiple authentication methods including:

  • Email/Password
  • Phone Number
  • Google, Facebook, and other providers
  • Anonymous (Guest) sign-ins

🛠 Prerequisites

Before you get started, make sure you have the following:

  • A Firebase project
  • A FlutterFlow account
  • A project already created in FlutterFlow

Step 1: Set Up Firebase Project

  1. Go to the Firebase Console: https://console.firebase.google.com
  2. Click “Add project”, follow the setup flow, and disable Google Analytics (optional).
  3. After the project is created, go to the Project Settings > General.
  4. Under “Your apps”, click </> (Web) to register your app.
  5. Name your app (e.g., flutterflow_app) and click Register App.
  6. Copy the Firebase configuration values like apiKey, authDomain, and projectId for later use in FlutterFlow.

Step 2: Add Firebase to FlutterFlow

  1. Open your FlutterFlow project.
  2. Go to the Firebase tab on the left sidebar.
  3. Click Connect.
  4. Paste the apiKey, authDomain, projectId, and other config keys you got from Firebase.
  5. Enable the Authentication, Firestore, and Storage options based on your needs.
  6. Click Save.

Step 3: Enable Firebase Authentication

  1. In Firebase Console, go to AuthenticationSign-in Method.
  2. Enable Email/Password.
  3. Optionally enable Anonymous for guest logins.

Step 4: Add Authentication Pages in FlutterFlow

FlutterFlow comes with built-in templates for user auth. To use them:

  1. Go to the “Authentication” tab in the page list.
  2. Click + Add Auth Pages.
  3. Choose options like Sign Up, Login, Forgot Password, and Profile Page.
  4. FlutterFlow will automatically connect the UI and logic using Firebase Auth.

🧪 Step 5: Set Authentication Actions

If you’re designing a custom login page:

  1. Add TextFields for email and password.
  2. Add a Button and go to the Actions tab.
  3. Set the On Tap action to Login (Firebase Auth) or Create Account (Firebase Auth).
  4. Map the input fields to the email and password parameters.

Step 6: Implement Guest Login (Optional)

To allow guest login:

  1. Add a button labeled “Continue as Guest”.
  2. In the Actions tab, choose Firebase AuthenticationAnonymous Login.
  3. Redirect the user to your dashboard/home page after success.

Step 7: Redirect Based on Auth State

  1. Open the App Settings > App Startup Flow.
  2. Set the Initial Page to:
    • Home Page if the user is logged in.
    • Login Page if the user is not logged in.
  3. This ensures users are always directed to the correct screen on app launch.

Final Testing

  • Run your app in Test Mode or use the Run button.
  • Try creating a new user, logging in, logging out, and guest login.
  • Firebase Console will show registered users under Authentication > Users.

Bonus Tips

  • Use Firebase Firestore to store user profiles and metadata.
  • Implement user roles using custom claims for admin/user separation.
  • Add Re-authentication flow for security-sensitive operations like password change.

Conclusion

Integrating Firebase Authentication in FlutterFlow is quick and code-free for most basic implementations. It enables you to build secure, scalable apps with login, signup, and guest access—all using FlutterFlow’s visual interface and Firebase’s backend power.

Start building smarter apps today with FlutterFlow and Firebase Auth!

From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutterflow developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any flutter-related queries, you can connect with us on Facebook, GitHub, Twitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.

Design System with Atomic Design in Flutter

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One of the most widely used methods for design teams to arrange and maintain the modules and components they utilise is atomic design. This file structure methodology separates each page’s components.

This blog will explore the Design System with Atomic Design in Flutter. We see how to execute a demo program in your applications.

If you’re looking for the best Flutter app development company for your mobile application then feel free to contact us at — support@flutterdevs.com.


Table Of Contents:

What is a Design System?

What is an Atomic Design?

Why does Flutter require System Design?

How does it contribute to the creation of more testable code?

What benefits does Atomic Design offer a design system?

How to implement in Flutter?

Conclusion



What is a Design System?:

A design system is a group of reusable parts, rules, and ideas that guarantee UI design and development is scalable, consistent, and efficient. It emphasises a product or group of products’ visual appeal, usability, and interface coherence.

Consider the design system as an internal product of the business rather than a project, and as such, it requires updating when new components, solutions, and style guides are created. Text tone of voice, branded application concepts, rounded buttons, and code snippets.

What is an Atomic Design?:

Atomic design is a methodology that helps us to think about the user interface in a hierarchical approach and stresses the relevance of the quality of effective pattern libraries, presenting strategies to optimize the workflow of design and development in a team. You can construct user interfaces (UIs) with greater consistency and quality by using atomic design, which also describes what occurs during the development and upkeep of design systems.

Atomic design is a conceptual model that helps us think of our user interfaces as both a collection of elements and a coherent whole at the same time. It is not a linear process.

Why does Flutter require System Design?

The versatility of Flutter’s custom widget creation frequently results in redundant components and misunderstandings regarding widget granularity. Grouping widgets by page, app-wide, or a combination of both may be difficult for teams to decide. Because they are afraid of damaging current implementations or leaving out functionalities, new members may design their widgets.

By providing pre-defined, reusable components that adhere to design rules, encouraging modularity, and minimising redundancy, a design system helps to alleviate these problems. The declarative structure of Flutter makes it even easier to develop design systems, facilitating the efficient propagation of changes throughout the application and improving scalability, maintainability, and testability.

How does it contribute to the creation of more testable code?:

By dividing the user interface (UI) into discrete, modular components that are separate from the business logic of the application, design systems improve testability. Design systems serve as a UI API that the application can use, in contrast to conventional solutions where widgets communicate directly with business logic.

Widgets may be constructed separately from logic thanks to this division, which makes it easier to test with custom data, streamlines the procedure, and guarantees more dependable, maintainable code. Although this may seem too wonderful to be true, we will see how it turns out in the article’s following sections.

What benefits does Atomic Design offer a design system?:

  1. Reusable Components — You can have the components you need for any design problem by building your library. Additionally, it’s quite easy to mix and match the components.
  2. Layout that’s easy to comprehend and maintain — Atomically built applications typically have considerably easier-to-read code than more conventionally structured ones. This holds both throughout the construction process and later on when the application is being examined for reference or small adjustments.
  3. Fewer components overall – Developers are more likely to utilise pre-existing components rather than generating new ones for slight modifications if they are shown a list of atoms, molecules, and organisms before they begin working on an application.

How to implement in Flutter?

In the hierarchy of our interface design systems, each of the five phases is essential. Let’s examine each step in further detail.

1. Atoms:

The tiniest UI building blocks are called atoms. These widgets are straightforward, reusable, and independent of other elements.

// Atom demo
class CustomTextFieldAtom extends StatelessWidget {
  final String labelText;
  final TextEditingController controller;
  final bool obscureText;
  final TextInputType keyboardType;
  final String? Function(String?)? validator;
  final IconData? prefixIcon;

  const CustomTextFieldAtom({
    required this.labelText,
    required this.controller,
    this.obscureText = false,
    this.keyboardType = TextInputType.text,
    this.validator,
    this.prefixIcon,
    Key? key,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return TextFormField(
      controller: controller,
      obscureText: obscureText,
      keyboardType: keyboardType,
      validator: validator,
      decoration: InputDecoration(
        labelText: labelText,
        prefixIcon: prefixIcon != null ? Icon(prefixIcon) : null,
        border: const OutlineInputBorder(),
      ),
    );
  }
}

2. Molecules:

Atomic combinations that cooperate to carry out a task are called molecules. They frequently contain tiny, reusable UI components and are a tad more complicated.

// Molecule demo: A search input
class SearchInputMolecule extends StatelessWidget {
  final String labelText;
  final Function(String)? onSearch;
  final TextEditingController controller;

  const SearchInputMolecule({
    Key? key,
    required this.labelText,
    this.onSearch,
    required this.controller,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Row(
      children: [
        GestureDetector(
          onTap: () => onSearch?.call(controller.text),
          child: CustomIcon(Icons.search),
        ),
        SizedBox(width: 10),
        Expanded(
          child: CustomTextField(
            controller: controller,
            decoration: InputDecoration(
              labelText: labelText,
            ),
          ),
        ),
      ],
    );
  }
}

3. Organisms:

Groups of molecules and/or atoms that make up a certain area of the interface are called organisms. Usually, they stand in for more substantial, independent UI elements.

// Organism demo: A search card
class SearchCardOrganism extends StatelessWidget {
  final String labelText;
  final Function(String) onSearch;
  final List<String> recentSearches;
  final TextEditingController controller;

  const SearchCardOrganism({
    Key? key,
    required this.labelText,
    required this.onSearch,
    required this.controller,
    this.recentSearches = const [],
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Card(
      elevation: 4,
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          SearchInputMolecule(
            labelText: labelText,
            onSearch: onSearch,
            controller: controller,
          ),
          if (recentSearches.isNotEmpty)
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: Wrap(
                spacing: 8,
                children: recentSearches
                    .map((search) => ActionChip(
                          label: Text(search),
                          onPressed: () {
                            controller.text = search;
                            onSearch(search);
                          },
                        ))
                    .toList(),
              ),
            ),
        ],
      ),
    );
  }
}

4. Template:

Templates combine creatures to provide a page with its skeleton or structure. The layout is specified, but specific content is left to be added later.

class SearchPageTemplate extends StatelessWidget {
  final String pageTitle;
  final String searchLabel;
  final Function(String) onSearch;
  final TextEditingController searchController;
  final List<String> recentSearches;

  const SearchPageTemplate({
    Key? key,
    required this.pageTitle,
    required this.searchLabel,
    required this.onSearch,
    required this.searchController,
    this.recentSearches = const [],
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: CustomAppBar(pageTitle),
      body: Column(
        children: [
          Padding(
            padding: const EdgeInsets.all(16.0),
            child: SearchCardOrganism(
              labelText: searchLabel,
              onSearch: onSearch,
              controller: searchController,
              recentSearches: recentSearches,
            ),
          ),
         // Body Widgets     
        ],
      ),
    );
  }
}

5. Page:

The last step is creating pages, where particular data is entered into templates to produce completely functional screens. They serve as a representation of the real user interface that the user uses.

class ProductSearchPage extends StatefulWidget {
  @override
  _ProductSearchPageState createState() => _ProductSearchPageState();
}

class _ProductSearchPageState extends State<ProductSearchPage> {
  final TextEditingController _searchController = TextEditingController();
  List<String> _recentSearches = [];
  List<Product> _searchResults = [];

  void _handleSearch(String query) {
    setState(() {
      // Update recent searches
      if (!_recentSearches.contains(query)) {
        _recentSearches.insert(0, query);
        if (_recentSearches.length > 5) {
          _recentSearches = _recentSearches.take(5).toList();
        }
      }

      // Perform search logic
      _searchResults = _performProductSearch(query);
    });
  }

  List<Product> _performProductSearch(String query) {
    // Simulated search logic
  }

  @override
  Widget build(BuildContext context) {
    return SearchPageTemplate(
      pageTitle: 'Product Search',
      searchLabel: 'Search Products',
      onSearch: _handleSearch,
      searchController: _searchController,
      recentSearches: _recentSearches,
      resultWidget: ListView.builder(
        itemCount: _searchResults.length,
        itemBuilder: (context, index) {
          final product = _searchResults[index];
          return ListTile(
            title: Text(product.title),
            subtitle: Text('\$${product.price}'),
          );
        },
      ),
    );
  }
}

Conclusion:

In the article, I have explained the  Design System with Atomic Design basic structure in a flutter; you can modify this code according to your choice. This was a small introduction to the  Design System with Atomic Design in Flutter, On User Interaction from my side, and it’s working using Flutter.

I hope this blog will provide you with sufficient information on trying the Design System with Atomic Design in Flutter in your projects. When used with Flutter, the atomic design pattern and design systems offer a streamlined and effective method for creating modular, scalable, and testable user interfaces. The interface can be made consistent, less redundant, and easier to design, and reusable parts: atoms, molecules, creatures, templates, and pages.

We can create Flutter apps that are both technically sound and aesthetically pleasing by fusing the strength of design systems with atomic design principles. Using this method will surely improve your development workflow, making your codebase more structured, reusable, and future-proof, regardless of how big or small your project is. So please try it.

❤ ❤ Thanks for reading this article ❤❤

If I got something wrong? Let me know in the comments. I would love to improve.

Clap 👏 If this article helps you.


From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutter developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any flutter-related queries, you can connect with us on FacebookGitHubTwitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.


Why Should Companies Choose FlutterFlow in 2025?

0

This blog will explore Why Should Companies Choose FlutterFlow in 2025?. Let’s deeply dive into the details for FlutterFlow.

If you’re looking for the best Flutter app development company for your mobile application then feel free to contact us at — support@flutterdevs.com.


Table of Contents:

Introduction

Comparative Analysis: FlutterFlow vs. Traditional Development 

Some Benefits for Companies

Conclusion



Introduction:

Why Should Companies Use FlutterFlow in 2025? FlutterFlow, a robust, visual programming platform built on the Flutter framework, offers developers a more effective development experience, even if Flutter has long been a popular choice for cross-platform development. What, then, makes FlutterFlow unique and the top option for companies? Let’s examine the specifics.

  • Accelerated Time to Market: Given how quickly technology is developing these days, app development is all about speed. FlutterFlow uses a visual drag-and-drop interface, which significantly cuts down on development time when compared to standard Flutter. Developers no longer need weeks to create complicated user interfaces.
    Teams can quickly prototype, iterate, and launch apps with the help of pre-built templates, pre-fab widgets, and a low-code interface. For example, startups typically need an MVP to present their ideas to potential investors. Along with the short time until the actual pitch, FlutterFlow gives entrepreneurs a tiny advantage over rivals by enabling them to produce completely functional prototypes in a matter of days.
  • Considerably Less Coding Experience Required:- As opposed to Flutter, which necessitates familiarity with the Dart programming language. Furthermore, FlutterFlow makes the platform accessible to everyone; even if you are not tech-savvy, utilising FlutterFlow is not difficult at all. During the development phase, a low-code strategy unites technical and non-technical teams and creates a direct line of communication between designers, product managers, and other stakeholders.
  • Save Money on Development: By reducing the need for a large, fully technical staff, FlutterFlow reduces the cost of development. Companies no longer need to hire a separate team of developers for iOS and Android because apps created with FlutterFlow are cross-platform due to the Flutter framework. This saves a lot of money and can be handled by a single crew.
    The clean and orderly project structure of FlutterFlow also contributes to lower maintenance expenses. Businesses may add features, update apps, and repair bugs without having to rewrite a lot of code after implementing Flutterflow. Because of this, FlutterFlow is not only economical to use throughout development but also saves businesses a great deal of time, which is important in the app development sector because businesses must get their product to market as soon as possible.
  • Built-In Integrations and Features: Numerous built-in connectors, including those with Firebase, Supabase, Stripe, and Algolia, are available in FlutterFlow. By eliminating the need to write third-party API interfaces manually, it also drastically cuts down on development time. Because it enables features like database setup, push alerts, and authentication, backend development is also simpler.
    Additionally, this makes it easier for businesses to create scalable apps. For instance, social media apps use Algolia to add search capability, while e-commerce sites can incorporate payment processors using Stripe and Razorpay. With all of these built-in features, businesses can reduce the need for extra work and expedite the development process.
  • Customisation Flexibility: Another benefit is that, despite being a low-code platform, FlutterFlow allows for customisation. Additionally, developers can add unique Dart code to projects, enabling companies to incorporate specialised features as needed. This hybrid approach, which is a significant improvement over just using Flutter, combines the overview of low-code growth with the expanding power of full-code alternatives.
    With FlutterFlow, companies can swiftly create sophisticated AI features and intricate animations. This enables teams to blend pre-configured components with unique logic to create a finished product that flawlessly satisfies even specific company needs.
  • Enhanced Design Flow and Collaboration: FlutterFlow helps teams collaborate more effectively. Stakeholders may observe the app’s development while designers can directly prototype UI concepts. Compared to traditional Flutter development, this helps prevent misunderstandings and get approvals more quickly.
    Teams can test their concepts instantly thanks to FlutterFlow’s real-time preview, which drastically reduces the amount of time wasted on revisions. Stakeholder comments may also be added in real time, which expedites decision-making and ensures that everyone is in agreement.
  • Responsive and Adaptive Design: FlutterFlow is responsive because it ensures that apps display well on all devices. This eliminates the need for businesses to invest extra effort in designing layouts for various screen sizes, which typically require manual code implementation in Flutter. Businesses that serve customers from throughout the world will find this even more helpful. Apps are accessed on a variety of devices, and FlutterFlow’s responsive design enables developers to produce a seamless, captivating user experience across all platforms and screen sizes.
  • Continuous Updates and Community Support: Driven by a supportive community and regular updates, FlutterFlow is expanding quickly. To ensure that businesses always have the newest tools and facility trends, the platform regularly adds features in response to user demands. Its expanding developer and resource network offers businesses ready help and insight into industry best practices.

Comparative Analysis: FlutterFlow vs. Traditional Development:

This study compares and contrasts FlutterFlow vs traditional development, emphasising the former’s advantages over the latter.

  • Speed:-

FlutterFlow: It is a low-code, visual platform that helps developers create, develop, and launch apps up to ten times quicker than they could using conventional techniques. Drag & drop interfaces allow companies to expedite UI development, and pre-made templates can reduce the amount of time needed to launch an application.

Traditional Development: Every feature, user interface component, and workflow must be completely coded for agent-based development. This can be a time-consuming process for developing sophisticated apps. Writing separate lines of code for each component of the application, connecting APIs, and setting the backend are all part of the development phase.

  • Flexibility and Customization:-

FlutterFlow: Custom code can be integrated into Dart, the programming language that Flutter is based on, thanks to FlutterFlow. Because developers can modify settings to suit their specific requirements or add functionality beyond what the visual interface offers, it is adaptable. However, there are certain restrictions for complicated or unusual requirements.

Traditional Development: Maximum flexibility and control over the app’s features, design, and logic are made possible via traditional development. Developers can choose any custom function, no matter how simple or sophisticated. Traditional development, if you desire complete control over your application, is the winner. The total cost of FlutterFlow is significantly less than that of Traditional Development. Additionally, it offers a variety of subscription levels based on the functionality needed, making it affordable for solitary devs or smaller teams. Conventional Development Because traditional software requires professional developers and extensive hours of coding, testing, and maintenance, the expenses are typically greater. The total cost of development may increase based on the intricacy of the project

  • Maintenance:-

Because FlutterFlow handles a number of things, such as cross-platform compatibility and UI consistency, maintenance can be easier. Developers are unaware of whether they must manually tackle compatibility or lower-level system concerns because updates and bug fixes are handled automatically.

Traditional Development: Updating the application on each platform independently and employing manual workarounds to address platform-specific issues constitutes maintenance. Usually, updates require revising sizable portions of the code.

  • Skill Requirements:-

FlutterFlow: Much of the required skill set is eliminated by FlutterFlow. Low-code or no-code platforms are designed to make app development accessible to non-developers or anyone with only rudimentary programming skills. This opens up development to a broader range of professions outside of dedicated programmers.

Traditional Development: Highly skilled coding is required. The top developers should be proficient in frameworks, backend, and database administration in addition to languages like Java, Swift, or Kotlin.

Some Benefits for Companies:

  • Minimal maintenance costs: FlutterFlow’s lowest maintenance costs are its primary benefit when it comes to business apps. By offering a neat and organised codebase for your application as components are added, FlutterFlow streamlines the development process. Reducing the run-time complexity of code management and maintenance is a consequence of shifting towards this development style.
    Developers can avoid wasting hours troubleshooting and writing code segments to make changes because of Flutter Flow’s intuitive design. For example, commercial users might want to update with a new, distinctive feature to satisfy market trends. Flutter Flow makes updating easier without breaking already-existing features.
  • FlutterFlow Makes Collaboration Easy: When developing an app, teamwork is essential, particularly for large projects with numerous developers, designers, and product managers. FlutterFlow’s cloud-based platform facilitates collaboration.
    Everyone can collaborate on the same project at the same time with FlutterFlow. Product managers may monitor development in real time, designers can make adjustments to the user interface, and developers can add new features. By doing this, delays brought on by version problems or the need to exchange data are reduced.
    The low-code/no-code architecture of FlutterFlow is ideal for non-technical team members as well. Without knowing how to code, anyone may assess the work, make suggestions for modifications, and contribute to the project with ease, including clients, product managers, and marketing personnel.
  • No vendor lock-in: FlutterFlow allows you to export the source code of your application whenever you want. This implies that you can take the code with you if you choose to switch to a different development platform or need to add more sophisticated customisation. This provides you with total control over the code of your program and eliminates the fear of being locked into a platform.
    You may simply link your app to external systems and services without being restricted to a particular vendor, thanks to FlutterFlow’s support for seamless connections with third-party tools, APIs, and services. You can integrate whatever services you require, including marketing tools, payment gateways, and other software.
  • Apps that are ready for compliance: To preserve user privacy and guarantee security, apps frequently need to adhere to stringent rules in specific sectors, such as healthcare, banking, and legal services. It is now much simpler and more effective to create apps that satisfy these regulatory standards with BuildShip and FlutterFlow.
  • Professional Education at Flutterflow University: To remain competitive and produce high-quality products in the rapidly evolving technical landscape of today, businesses need to constantly upskill their workforce. For companies looking to give their staff professional training in the use of FlutterFlow, a popular low-code/no-code platform, FlutterFlow University is the ideal resource. FlutterFlow University provides thorough lessons, demos, and other materials to assist your staff in becoming proficient with the platform and creating reliable, enterprise-grade applications quickly, regardless of their level of experience.

Conclusion:

In the article, I have explained “Why Should Companies Choose FlutterFlow in 2025”. This was a small introduction to the Why Should Companies Choose FlutterFlow in 2025? On User Interaction from my side, and it’s working using Flutterflow.

I hope this blog will provide you with sufficient information on Trying Why Should Companies Choose FlutterFlow in 2025? In your projects. Even if Flutter is still a great choice for creating cross-platform apps, many companies are being disrupted by its low-code development methodology, faster development time, and affordable pricing. FlutterFlow frees companies from the complexity and expense of development so they can focus on innovation and improving user experiences. FlutterFlow is the most user-friendly app builder that enables companies of all sizes to create excellent apps quickly. So please try it.

❤ ❤ Thanks for reading this article ❤❤

If I got something wrong? Let me know in the comments. I would love to improve.

Clap 👏 If this article helps you.


From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutterflow developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any Flutter-related queries, you can connect with us on FacebookGitHubTwitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.


Custom Music Player in Flutterflow

FlutterFlow has revolutionized the way we build cross-platform apps by offering a low-code platform that blends intuitive UI design with powerful backend integrations. One of the best examples of this is building a Music Player App using the just_audio package. This blog will guide you through how to create a fully functional music player with playback controls, seekbar, and streaming capabilities directly inside FlutterFlow.

Why Choose FlutterFlow + just_audio?

  • Rapid prototyping: Get to MVP fast without managing boilerplate code.
  • Visual development: Drag-and-drop UI without sacrificing control.
  • Native performance: Just_audio enables gapless playback and efficient streaming.
  • Customizable components: Integrate custom widgets for complete player control.

Features of the Music Player App

  • Play/Pause music
  • Display track duration and progress
  • Seek bar to skip through audio
  • Volume and playback speed adjustment
  • Podcast and music URL support
  • Fully customizable UI

Getting Started

Step 1: Set Up FlutterFlow Project

  1. Create a new FlutterFlow project.
  2. Enable Custom Widgets and Custom Code.
  3. Add the just_audio package in the pubspec.yaml section:
just_audio: ^0.9.35

Step 2: Create the UI Layout

  • Design a simple layout using the following elements:
  • Buttons for Play/Pause, Volume, Speed
  • Image widget (album art)
  • Text widgets for track name and duration
  • Slider for seekbar

Step 3: Create Custom Widget for Audio Player

Navigate to Custom Widgets and create a new widget: Make a Custom widget.

Code: 

// Automatic FlutterFlow imports
import '/flutter_flow/flutter_flow_theme.dart';
import '/flutter_flow/flutter_flow_util.dart';
import '/custom_code/widgets/index.dart'; // Imports other custom widgets
import '/flutter_flow/custom_functions.dart'; // Imports custom functions
import 'package:flutter/material.dart';
// Begin custom widget code
// DO NOT REMOVE OR MODIFY THE CODE ABOVE!

import 'package:audio_session/audio_session.dart';
import 'package:flutter/services.dart';
import 'package:just_audio/just_audio.dart';
import 'package:rxdart/rxdart.dart';

class AudioWidget extends StatefulWidget {
const AudioWidget({
super.key,
this.width,
this.height,
this.audioUrl,
});

final double? width;
final double? height;
final String? audioUrl;

@override
State<AudioWidget> createState() => _AudioWidgetState();
}

class _AudioWidgetState extends State<AudioWidget> {
final _player = AudioPlayer();

@override
void initState() {
super.initState();
_init();
}

Future<void> _init() async {
// Inform the operating system of our app's audio attributes etc.
final session = await AudioSession.instance;
await session.configure(const AudioSessionConfiguration.speech());

// Try to load audio from a source and catch any errors.
try {
await _player
.setAudioSource(AudioSource.uri(Uri.parse(widget.audioUrl!)));
} catch (e) {
print("Error loading audio source: $e");
}
}



@override
void dispose() {
// Release decoders and buffers back to the operating system making them
// available for other apps to use.
_player.dispose();
super.dispose();
}

@override
void didChangeAppLifecycleState(AppLifecycleState state) {
if (state == AppLifecycleState.paused) {
// Release the player's resources when not in use. We use "stop" so that
// if the app resumes later, it will still remember what position to
// resume from.
_player.stop();
}
}

/// Collects the data useful for displaying in a seek bar, using a handy
/// feature of rx_dart to combine the 3 streams of interest into one.
Stream<PositionData> get _positionDataStream =>
Rx.combineLatest3<Duration, Duration, Duration?, PositionData>(
_player.positionStream,
_player.bufferedPositionStream,
_player.durationStream,
(position, bufferedPosition, duration) => PositionData(
position, bufferedPosition, duration ?? Duration.zero));

@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: Scaffold(
body: SafeArea(
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.center,
children: [
// Display play/pause button and volume/speed sliders.
ControlButtons(_player),
// Display seek bar. Using StreamBuilder, this widget rebuilds
// each time the position, buffered position or duration changes.
StreamBuilder<PositionData>(
stream: _positionDataStream,
builder: (context, snapshot) {
final positionData = snapshot.data;
return SeekBar(
duration: positionData?.duration ?? Duration.zero,
position: positionData?.position ?? Duration.zero,
bufferedPosition:
positionData?.bufferedPosition ?? Duration.zero,
onChangeEnd: _player.seek,
);
},
),
],
),
),
),
);
}
}

/// Displays the play/pause button and volume/speed sliders.
class ControlButtons extends StatelessWidget {
final AudioPlayer player;

const ControlButtons(this.player, {Key? key}) : super(key: key);

@override
Widget build(BuildContext context) {
return Row(
mainAxisSize: MainAxisSize.min,
children: [
// Opens volume slider dialog
IconButton(
icon: const Icon(Icons.volume_up),
onPressed: () {
showSliderDialog(
context: context,
title: "Adjust volume",
divisions: 10,
min: 0.0,
max: 1.0,
value: player.volume,
stream: player.volumeStream,
onChanged: player.setVolume,
);
},
),

/// This StreamBuilder rebuilds whenever the player state changes, which
/// includes the playing/paused state and also the
/// loading/buffering/ready state. Depending on the state we show the
/// appropriate button or loading indicator.
StreamBuilder<PlayerState>(
stream: player.playerStateStream,
builder: (context, snapshot) {
final playerState = snapshot.data;
final processingState = playerState?.processingState;
final playing = playerState?.playing;
if (processingState == ProcessingState.loading ||
processingState == ProcessingState.buffering) {
return Container(
margin: const EdgeInsets.all(8.0),
width: 64.0,
height: 64.0,
child: const CircularProgressIndicator(),
);
} else if (playing != true) {
return IconButton(
icon: const Icon(Icons.play_arrow),
iconSize: 64.0,
onPressed: player.play,
);
} else if (processingState != ProcessingState.completed) {
return IconButton(
icon: const Icon(Icons.pause),
iconSize: 64.0,
onPressed: player.pause,
);
} else {
return IconButton(
icon: const Icon(Icons.replay),
iconSize: 64.0,
onPressed: () => player.seek(Duration.zero),
);
}
},
),
// Opens speed slider dialog
StreamBuilder<double>(
stream: player.speedStream,
builder: (context, snapshot) => IconButton(
icon: Text("${snapshot.data?.toStringAsFixed(1)}x",
style: const TextStyle(fontWeight: FontWeight.bold)),
onPressed: () {
showSliderDialog(
context: context,
title: "Adjust speed",
divisions: 10,
min: 0.5,
max: 1.5,
value: player.speed,
stream: player.speedStream,
onChanged: player.setSpeed,
);
},
),
),
],
);
}
}

class SeekBar extends StatefulWidget {
final Duration duration;
final Duration position;
final Duration bufferedPosition;
final ValueChanged<Duration>? onChanged;
final ValueChanged<Duration>? onChangeEnd;

const SeekBar({
Key? key,
required this.duration,
required this.position,
required this.bufferedPosition,
this.onChanged,
this.onChangeEnd,
}) : super(key: key);

@override
SeekBarState createState() => SeekBarState();
}

class SeekBarState extends State<SeekBar> {
double? _dragValue;
late SliderThemeData _sliderThemeData;

@override
void didChangeDependencies() {
super.didChangeDependencies();

_sliderThemeData = SliderTheme.of(context).copyWith(
trackHeight: 2.0,
);
}

@override
Widget build(BuildContext context) {
return Stack(
children: [
SliderTheme(
data: _sliderThemeData.copyWith(
thumbShape: RoundSliderThumbShape(enabledThumbRadius: 0),
activeTrackColor: Colors.blue.shade100,
inactiveTrackColor: Colors.grey.shade300,
),
child: ExcludeSemantics(
child: Slider(
min: 0.0,
max: widget.duration.inMilliseconds.toDouble(),
value: min(widget.bufferedPosition.inMilliseconds.toDouble(),
widget.duration.inMilliseconds.toDouble()),
onChanged: (value) {
setState(() {
_dragValue = value;
});
if (widget.onChanged != null) {
widget.onChanged!(Duration(milliseconds: value.round()));
}
},
onChangeEnd: (value) {
if (widget.onChangeEnd != null) {
widget.onChangeEnd!(Duration(milliseconds: value.round()));
}
_dragValue = null;
},
),
),
),
SliderTheme(
data: _sliderThemeData.copyWith(
inactiveTrackColor: Colors.transparent,
),
child: Slider(
min: 0.0,
max: widget.duration.inMilliseconds.toDouble(),
value: min(_dragValue ?? widget.position.inMilliseconds.toDouble(),
widget.duration.inMilliseconds.toDouble()),
onChanged: (value) {
setState(() {
_dragValue = value;
});
if (widget.onChanged != null) {
widget.onChanged!(Duration(milliseconds: value.round()));
}
},
onChangeEnd: (value) {
if (widget.onChangeEnd != null) {
widget.onChangeEnd!(Duration(milliseconds: value.round()));
}
_dragValue = null;
},
),
),
Positioned(
right: 16.0,
bottom: 0.0,
child: Text(
RegExp(r'((^0*[1-9]\d*:)?\d{2}:\d{2})\.\d+$')
.firstMatch("$_remaining")
?.group(1) ??
'$_remaining',
style: Theme.of(context).textTheme.bodySmall),
),
],
);
}

Duration get _remaining => widget.duration - widget.position;
}

class PositionData {
final Duration position;
final Duration bufferedPosition;
final Duration duration;

PositionData(this.position, this.bufferedPosition, this.duration);
}

void showSliderDialog({
required BuildContext context,
required String title,
required int divisions,
required double min,
required double max,
String valueSuffix = '',
// TODO: Replace these two by ValueStream.
required double value,
required Stream<double> stream,
required ValueChanged<double> onChanged,
}) {
showDialog<void>(
context: context,
builder: (context) => AlertDialog(
title: Text(title, textAlign: TextAlign.center),
content: StreamBuilder<double>(
stream: stream,
builder: (context, snapshot) => SizedBox(
height: 100.0,
child: Column(
children: [
Text('${snapshot.data?.toStringAsFixed(1)}$valueSuffix',
style: const TextStyle(
fontFamily: 'Fixed',
fontWeight: FontWeight.bold,
fontSize: 24.0)),
Slider(
divisions: divisions,
min: min,
max: max,
value: snapshot.data ?? value,
onChanged: onChanged,
),
],
),
),
),
),
);
}

T? ambiguate<T>(T? value) => value;

Use AudioPlayer from just_audio and handle play/pause, seek, and buffering states. Integrate stream listeners to manage UI updates.

Step 4: Add the Widget to Your Page

  1. Drag a Custom Widget component onto your FlutterFlow page.
  2. Choose AudioWidget from the list.
  3. Pass a public MP3 or podcast URL to the audioUrl property.

Extra Tips

  • Test your URLs — ensure the audio link supports direct streaming.
  • Handle lifecycle events: stop audio on app pause.
  • Use audio_session for better background playback control.
  • Add animation to Play/Pause buttons for a polished UI.

Use Cases

  • Music streaming apps
  • Meditation & wellness apps
  • Learning platforms (audio courses)
  • Podcast players

Conclusion

FlutterFlow + just_audio offers a powerful combination for building audio-rich apps without diving into boilerplate code. By leveraging FlutterFlow’s visual builder and just_audio’s audio streaming capabilities, developers can create sleek, responsive, and customizable music players for any type of app.

From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutterflow developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any flutter-related queries, you can connect with us on Facebook, GitHub, Twitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.

Is the Future of AI-Powered App Development with FlutterFlow?

0

Selecting the appropriate tools is crucial in the quickly changing field of mobile app development. FlutterFlow has become a strong substitute for conventional Flutter development as companies and developers look for quicker, more effective ways to realise their ideas. But is this AI-driven platform really the way of the future for developing apps? Let’s examine how FlutterFlow can transform the way we create mobile applications by delving deeply into its environment.

This blog will explore Is the Future of AI-Powered App Development with FlutterFlow?. Let’s examine how FlutterFlow can transform the way we create mobile applications by delving deeply into its environment.

If you’re looking for the best Flutter app development company for your mobile application then feel free to contact us at — support@flutterdevs.com.


Table of Contents

Introduction

FlutterFlow vs Flutter

The AI Advantage: The Revolution in Gaming by FlutterFlow

Challenges and Limitations

App Development’s Future: AI and Beyond

Conclusion



Introduction:

According to Statista, the global app market is expected to reach $935 billion by 2023, indicating that the industry is expanding rapidly. Because of this rapid expansion, there is an urgent demand for development tools that are quicker and easier to use. Presenting FlutterFlow, a visual development platform that combines the capabilities of Flutter with AI support and user-friendly design tools.

FlutterFlow offers a solution that could significantly cut down on development time and expenses for companies and developers dealing with strict deadlines and financial constraints.

FlutterFlow vs Flutter:

We must contrast FlutterFlow with conventional Flutter development using a number of important metrics in order to comprehend its impact:

FeatureFlutterFlowTraditional Flutter
Development SpeedVery Fast (Up to 10x faster)Fast
Learning CurveLow to MediumMedium to High
Code QualityGood (AI-generated)Varies (developer-dependent)
CustomizationHigh with some limitationsUnlimited
PerformanceGood for most appsExcellent, highly optimizable
ScalabilitySuitable for small to medium projectsIdeal for projects of all sizes
CostSubscription-basedFree and open-source

The AI Advantage: The Revolution in Gaming by FlutterFlow:

FlutterFlow’s ability to include artificial intelligence into the entire development process is what makes it so appealing. This is how AI is changing the development of apps.

  • Intelligent Design Support: FlutterFlow’s AI examines the structure of your application and makes recommendations for the best layouts, colour palettes, and user interface components. AI-assisted design tools can cut down on UI/UX design time by as much as 30%, according to a UX Magazine study.
  • Smart Code Generation: Using your visual ideas as a guide, the platform’s AI creates clear, effective Dart code. This helps maintain uniform code quality while simultaneously accelerating development. AI-powered code creation tools can cut down on coding errors by up to 25%, per a Gartner analysis.
  • Automated Testing: To detect possible problems before to release, FlutterFlow integrates AI-driven testing tools that can create and execute tests automatically. The time and money spent on manual testing can be greatly decreased with this proactive approach to quality assurance.
  • App Development Using Natural Language Processing (NLP): Developers can use FlutterFlow’s experimental capabilities to explain UI parts and functionality in natural language, and AI will convert these descriptions into actual code and components. Although this technology is still in its infancy, it has the potential to open up app development to a far larger audience.

Challenges and Limitations:

Even if FlutterFlow has many benefits, it’s crucial to recognise its drawbacks and the situations in which conventional Flutter development might be more suitable:

  • Complex, Custom Functionality: Traditional Flutter programming provides greater flexibility for apps that need highly specialised or complex custom features. For instance, Spotify chose to use native programming when creating its mobile app in order to guarantee top performance for audio streaming and intricate user interface animations that could be difficult to incorporate in a visual development environment.
  • Large-Scale Enterprise Applications: Complex, large-scale applications may be difficult for FlutterFlow to handle. Alibaba used traditional Flutter development to better control scalability and performance optimisation when creating their mobile app, which processes millions of transactions per day.
  • Integration with Legacy Systems: Traditional Flutter development might be a better fit for deep integration for businesses with a large number of legacy systems. To guarantee a smooth interaction with their current banking infrastructure, HSBC, for example, employed traditional development techniques when updating their mobile banking app.
  • Performance-Critical Applications: The fine-tuned control provided by traditional Flutter development is frequently required for apps where every millisecond of performance counts, like as real-time multiplayer games or high-frequency trading platforms.

App Development’s Future: AI and Beyond:

As we look towards the future, several trends suggest that AI-powered development tools like FlutterFlow will play an increasingly important role in the app development landscape:

  • App development is becoming more democratic: a Gartner estimate predicts that by 2025, 70% of new enterprise applications will be low-code or no-code, up from less than 25% in 2020. Platforms like FlutterFlow are well-positioned to address the increased demand for tools that make app creation accessible to a larger audience, as indicated by this trend.
  • AI-Assisted Coding: It’s anticipated that development tools will increasingly incorporate AI. Copilot, an AI pair programmer from GitHub, has already demonstrated encouraging outcomes in helping developers. We can anticipate even more intelligent coding help as these technologies advance, possibly automating significant steps in the development process.
  • Enhanced Attention to Rapid Prototyping: The capacity to rapidly develop and refine app concepts is essential in a market that moves swiftly. According to a McKinsey study, businesses that test and refine their goods quickly have a 45% higher chance of outperforming their competitors. Rapid prototyping tools like FlutterFlow are probably going to be more and more useful in this situation.
  • Integration of More Advanced AI Features: Upcoming iterations of FlutterFlow and related platforms might include more sophisticated AI features like predictive user behaviour modelling, automated localisation, and accessibility enhancements. These capabilities have the potential to enhance app quality and further expedite the development process.

Conclusion:

In the article, I have explained the Is the Future of AI-Powered App Development with FlutterFlow basic structure; you can modify this code according to your choice. This was a small introduction to the Is the Future of AI-Powered App Development with FlutterFlow On User Interaction from my side, and it’s working using Flutterflow.

I hope this blog will provide you with sufficient information on Trying Is the Future of AI-Powered App Development with FlutterFlow in your projects. An important advancement in the field of app development is represented by FlutterFlow. It is an appealing option for many projects due to its capacity to significantly accelerate the development process, reduce the entrance barrier for app development, and incorporate state-of-the-art AI support. So please try it.

❤ ❤ Thanks for reading this article ❤❤

If I got something wrong? Let me know in the comments. I would love to improve.

Clap 👏 If this article helps you.


From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutterflow developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any flutter-related queries, you can connect with us on FacebookGitHubTwitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.


Why FlutterFlow is the Future of App Development

0

The world of app development is evolving rapidly, with businesses and developers constantly seeking faster, more efficient ways to build high-quality applications. Traditional coding, while powerful, can be time-consuming and requires extensive expertise. This is where FlutterFlow comes in—a revolutionary no-code/low-code platform that leverages Google’s Flutter framework to enable rapid app development.

In this blog, we’ll explore why FlutterFlow is poised to be the future of app development, covering its key features, advantages, and how it compares to traditional development methods.

What is FlutterFlow?

FlutterFlow is a visual app builder that allows developers and non-developers alike to create cross-platform mobile and web applications without writing extensive code. Built on Flutter, Google’s open-source UI toolkit, FlutterFlow generates clean, production-ready code that can be exported and further customized if needed.

Key Features of FlutterFlow:

✅ Drag-and-Drop UI Builder – Design beautiful interfaces without coding.
✅ Real-Time Preview – See changes instantly on multiple device screens.
✅ Firebase & API Integration – Easily connect to databases and third-party services.
✅ Custom Code Injection – Add custom Dart/Flutter code for advanced functionality.
✅ One-Click Deployment – Publish directly to the App Store, Google Play, or web.
✅ Team Collaboration – Work with multiple developers seamlessly.

Why FlutterFlow is the Future of App Development?

1. Faster Development Time

Traditional app development can take months, but FlutterFlow accelerates the process by eliminating repetitive coding tasks. With pre-built widgets, templates, and integrations, developers can build fully functional apps in days or even hours.

2. Cost-Effective Solution

Hiring a full development team is expensive. FlutterFlow allows small businesses, startups, and solo entrepreneurs to build apps without a large budget. Even professional developers use it to prototype ideas quickly before investing in full-scale development.

3. Cross-Platform Compatibility

FlutterFlow apps run on iOS, Android, and the web from a single codebase. This eliminates the need to maintain separate codebases for different platforms, saving time and resources.

4. No-Code + Low-Code Flexibility

While FlutterFlow is a no-code tool, it also supports low-code customization. Developers can export the generated Flutter code and extend it with custom logic, making it perfect for both beginners and experienced programmers.

5.Incredible Time-to-Market Advantage

Since FlutterFlow speeds up the design, development, and deployment process drastically, businesses can bring their ideas to market much faster.

Who benefits the most?

  • Startups building MVPs
  • Agencies delivering client apps
  • Enterprises testing new app ideas quickly

6. Seamless Backend Integration

FlutterFlow integrates effortlessly with:

  • Firebase (Authentication, Firestore, Storage)
  • REST APIs (Custom backend connections)
  • Supabase, Airtable, and more

This means you can build data-driven apps without managing complex server-side code.

7. Growing Community & Ecosystem

Flutter (and by extension, FlutterFlow) is backed by Google and has a rapidly growing community. With more plugins, templates, and tutorials emerging, the platform is becoming more powerful every day.

8. Future-Proof Technology

Since FlutterFlow generates standard Flutter code, your app remains maintainable and scalable. Even if you later decide to switch to full custom development, your project won’t be locked into a proprietary system.

FlutterFlow vs. Traditional App Development

FeatureFlutterFlowTraditional Development
Development Speed⚡ Very Fast (Days/Weeks)🐢 Slow (Months)
Cost💰 Low (No need for a full dev team)💸 High (Developers, designers, QA)
Learning Curve📚 Easy (No-code + visual builder)� Hard (Requires coding expertise)
Cross-Platform✅ Yes (iOS, Android, Web)❌ Often requires separate codebases
Customization🛠️ Limited (but supports code export)🔧 Full control
Maintenance🔄 Easier (Single codebase)⚙️ Complex (Multiple platforms)

Who Should Use FlutterFlow?

✔ Startups & Entrepreneurs – Validate ideas quickly without heavy investment.
✔ Small Businesses – Build custom apps without hiring developers.
✔ Freelancers & Agencies – Deliver apps faster to clients.
✔ Experienced Developers – Rapidly prototype before deep coding.
✔ Non-Technical Founders – Create MVPs without learning to code.

Conclusion: FlutterFlow is Shaping the Future

FlutterFlow bridges the gap between no-code simplicity and professional-grade app development. With its speed, affordability, scalability, and cross-platform capabilities, it’s no surprise that more businesses and developers are adopting it.

As the demand for faster, cheaper, and more efficient app development grows, FlutterFlow is well-positioned to become the go-to solution for the next generation of digital products.

🚀 Ready to build your app with FlutterFlow? Try it today and experience the future of app development!

From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutterflow developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any flutter-related queries, you can connect with us on Facebook, GitHub, Twitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.

Who Should Use FlutterFlow?

Maintain Activity Log in Firebase Using FlutterFlow

0

Monitoring changes in your application’s data is essential for auditing, troubleshooting, and ensuring transparency for users. We’ll concentrate on a real-world example involving the Tasks and Activity_log collections. We’ll walk you through the process of reading the previous task document, updating it, comparing the two, identifying any discrepancies, and writing these modifications to the Activity_log collection.

This blog will explore Maintain an Activity Log in Firebase using FlutterFlow. We will see how to work on a detailed guide for your Flutterflow applications.

If you’re looking for the best Flutter app development company for your mobile application then feel free to contact us at — support@flutterdevs.com.


Table Of Contents:

Introduction

Requirements

Setting Up Firebase and FlutterFlow

Creating Collections and Data Models In FlutterFlow

Implementing the Action Flow

Creating the Custom Function

Implementing Function Code

Conclusion



Introduction:

It is essential to keep a record of changes made by users to tasks within your application. We’ll achieve this by:

  • Examining the previous Firebase task document.
  • Updating the Firebase task document.
  • Examining the Firebase task document that has been updated
  • Calculating the differences between the both documents.
  • Adding the modifications to Firebase’s Activity_log collection.

A transparent and observable record of all task modifications is made possible by this procedure.

Requirements:

  • Create a FlutterFlow account by visiting FlutterFlow.
  • Firebase Project: Link your FlutterFlow application to a Firebase project.
  • Basic Knowledge: Knowledge of Dart programming, Firebase Firestore, and FlutterFlow.

Setting Up Firebase and FlutterFlow:

Connecting FlutterFlow to Firebase:-

  • Open your project in FlutterFlow.
  • Go to Settings > Firebase.
  • After selecting Connect to Firebase, adhere to the instructions.
  • In your Firebase console, enable the Firestore Database.

Creating Collections and Data Models In FlutterFlow:

=> Tasks Collection: The task documents are kept in this collection.

Fields:-

  1. title (String)
  2. description (String)
  3. status (String)
  4. assigned_to (String)
  5. due_date (Timestamp)

=> Activity_log Collection: Task modification logs are kept in this collection.

Fields:-

  1. task_id (DocumentReference) – The task document’s reference..
  2. changes (Map<String, dynamic>) – The differences are contained in modifications.
  3. timestamp (Timestamp)
  4. modified_by (String) – name or User ID.

=> Creating Data Models:

  • Using the left panel, select Firestore.
  • Create Tasks and Activity_log after selecting + Add Collection.
  • As stated before, define the fields for every collection.

Implementing the Action Flow:

The action flow will be applied to the Submit button that is used to modify a task.
=> Overview of Actions

  • Custom Function: Log changes and compare documents.
  • Get Document: Fetch previous task data.
  • Update Document: Make changes to the Firestore task.
  • Get Document: Fetch current task data.

1: Read Old Task Document

Action: Retrieve the Firestore document

  • In your user interface, select the Submit button.
  • Click + Add Action after selecting Actions.
  • Firestore > Get Document is the option.
  • Set the current task document as the Document Reference.
    — Make use of Set from Variable > Task Reference > Widget State.
  • Save the document to a variable in the local state:
    — Make a variable of type Map with the name oldTaskData.

2: Update Task Document

Action: Update the document in Firestore.

  • Once the old document has been retrieved, add another action.
  • Select Update Document under Firestore.
  • Set the current task’s Document Reference.
  • Use the updated data from input widgets to map the fields.
  1. title: Derived from TitleController.text in Widget State
  2. description: Retrieved from DescriptionController.text in Widget State
  3. status: Retrieved from StatusDropdown.value in Widget State
  4. due_date: Set from Widget State > DueDatePicker.value.

3: Read Updated Task Document

Action: Get the Firestore document.

  • After the document has been updated, add another action.
  • Select Firestore > Retrieve Document.
  • Assign the current task as the Document Reference.
  • To a local state variable, save the document:
    — Make a variable of type Map with the name newTaskData.

4: Compare Documents and Log Changes

We’ll compare oldTaskData and newTaskData using a custom function.

Action: Custom Function

  • Once the new document has been retrieved, add another action.
  • Select Custom Function > logTaskChanges (this will be created later).
  • Configure the parameters:
  1. oldDataoldTaskData
  2. newDatanewTaskData
  3. taskIdcurrentTaskReference.id

Creating the Custom Function:

Defining the Custom Function

  1. Select Custom Functions from the panel on the left.
  2. Press the + Add Custom Function button.
  3. Give it the name logTaskChanges.
  4. Specify the parameters:
  • oldData (Map<String, dynamic>)
  • newData (Map<String, dynamic>)
  • taskId (String)

Implementing Function Code:

The Dart code for the custom function is as follows:

import 'package:cloud_firestore/cloud_firestore.dart';

Future<void> logTaskChanges(
  Map<String, dynamic> oldData,
  Map<String, dynamic> newData,
  String taskId,
) async {
  final differences = <String, Map<String, dynamic>>{};
  oldData.forEach((key, oldValue) {
    final newValue = newData[key];
    if (oldValue != newValue) {
      differences[key] = {
        'old_value': oldValue,
        'updated_value': newValue,
      };
    }
  });
  if (differences.isNotEmpty) {
    await FirebaseFirestore.instance.collection('Activity_log').add({
      'task_id': FirebaseFirestore.instance.doc('Tasks/$taskId'),
      'changes': differences,
      'timestamp': FieldValue.serverTimestamp(),
      'modified_by': /* Provide User ID or Name */,
    });
  }
}

Adding User Identification

Modify the function to include the user’s ID or name who made the changes.

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_auth/firebase_auth.dart';

Future<void> logTaskChanges(
  Map<String, dynamic> oldData,
  Map<String, dynamic> newData,
  String taskId,
) async {
  final differences = <String, Map<String, dynamic>>{};
  oldData.forEach((key, oldValue) {
    final newValue = newData[key];
    if (oldValue != newValue) {
      differences[key] = {
        'old_value': oldValue,
        'updated_value': newValue,
      };
    }
  });

  if (differences.isNotEmpty) {
    final user = FirebaseAuth.instance.currentUser;
    await FirebaseFirestore.instance.collection('Activity_log').add({
      'task_id': FirebaseFirestore.instance.doc('Tasks/$taskId'),
      'changes': differences,
      'timestamp': FieldValue.serverTimestamp(),
      'modified_by': user != null ? user.uid : 'Unknown',
    });
  }
}

Note:

  • FirebaseAuth: Used to get the current user’s ID.
  • modified_by: Stores the user ID who made the changes.

Handling Null Values:

To avoid errors, make sure your function can handle null values.

if (oldValue != newValue && (oldValue != null || newValue != null)) {
differences[key] = {
'old_value': oldValue,
'updated_value': newValue,
};
}

Example of changes Field:

{
  "title": {
    "old_value": "Old Task Title",
    "updated_value": "New Task Title"
  },
  "status": {
    "old_value": "In Progress",
    "updated_value": "Completed"
  }
}

Conclusion:

In the article, I have explained the Maintain Activity Log in Firebase Using FlutterFlow Development basic structure; you can modify this code according to your choice. This was a small introduction to the Maintain Activity Log in Firebase Using FlutterFlow On User Interaction from my side, and it’s working using Flutterflow.

I hope this blog will provide you with sufficient information on Trying Maintain Activity Log in Firebase Using FlutterFlow in your projects. You’ve successfully used Firebase to integrate an activity logging system into your FlutterFlow application by following this tutorial. By keeping track of all work adjustments, this system improves accountability and transparency.. So please try it.

❤ ❤ Thanks for reading this article ❤❤

If I got something wrong? Let me know in the comments. I would love to improve.

Clap 👏 If this article helps you.


From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutterflow developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any Flutter-related queries, you can connect with us on FacebookGitHubTwitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.


Explore Singleton Design Pattern In Flutter

0

One of the most widely used design patterns for software development is the Singleton pattern. It is a creational design pattern that is used to make things. If you’re unsure what a design pattern is, look at my earlier articles on the design pattern series.

This blog will Explore Singleton Design Pattern In Dart. We see how to execute a demo program in your applications.

If you’re looking for the best Flutter app development company for your mobile application then feel free to contact us at — support@flutterdevs.com.


Table Of Contents::

What is the Singleton Design Pattern?

When to use?

How to implement in Dart?

Demo of Singleton in Flutter

Drawbacks

Conclusion



What is the Singleton Design Pattern?:

The Singleton design pattern, as described in the book “Design Patterns, Elements of Reusable Object-Oriented Software,” ensures that a class only has one instance and provides a global point of access to it.

Let’s simplify the situation. By referring to this one instance of the class as a “global point of access,” we mean that it is possible to access it from any location within the code without having to build a new instance.

A design guideline known as the Singleton Pattern restricts a class to a single instance. It assures that there is only one instance of the class in existence at any one time and that there is only one object of that class.

When only one object is required to coordinate actions throughout the system, this design is extremely helpful. It offers a mechanism to manage who has access to shared resources, like files or databases.

When to use?:

When managing a single resource, having singletons is helpful. Here are a few as examples.

  1. Configuration Management: To save settings and configurations that are consistent across the application, the singleton design is helpful. It guarantees consistency by directing all application components to a single source of configuration.
  2. Database Connection Pools: To guarantee that database connections are controlled from a single location, a singleton might be employed. This minimises conflicts brought on by multiple connection points and enables more effective use of database resources.
  3. Logging: A centralised, application-wide logging system that guarantees all log entries are consistently transmitted to a single repository is made possible by implementing a logging service as a singleton.
  4. State Management: A standardised and centralised way to access and update global application states, like user sessions, can be handled via singletons.
  5. Registry Settings: Access to registry settings can be managed with a singleton. This ensures that the settings are shown uniformly throughout the program.
  6. Load Balancers: A load balancer that divides network or application traffic among several servers can be made with singletons. This guarantees that traffic is managed by a single instance of the load balancer.
  7. File Manager: An application’s file operations can be managed by a singleton. By doing this, possible conflicts are avoided and all file read/write operations are centralised.

How to implement in Dart?

Let’s now attempt to implement the Dart singleton design pattern. To help you better comprehend the code, I’ll divide it up into several sections.

=> Create a class

In order to make things obvious, I’m using the term Singleton, but you can call it anything. _internal() is its private constructor. By doing this, it is made sure that no more Singleton instances are created from outside the class.

class Singleton {
  static Singleton? _instance;
  Singleton._internal();

=> Create the Singleton class instance

To check if _instance is null, we then create a getter instance. In that case, a new Singleton instance is created and set to _instance. The current Singleton instance is returned if _instance is not null.

static Singleton get instance {
    if (_instance == null) {
      _instance = Singleton._internal();
    }
    return _instance!;
  }

=> Add the functionality to your singleton class

We will now give the Singleton class more features. We’ve included an increment() method and a counter variable in this situation. The counter is simply increased by one using the increment() technique.

int counter = 0;

  void increment() {
    counter++;
  }
}

=> Use the Singleton

Lastly, we utilise the Singleton in our main() function. After obtaining the Singleton instance, we print the counter value using its increment() method.

void main() {
  Singleton singleton = Singleton.instance;
  singleton.increment();
  print("Counter = ${singleton.counter}");
}

The counter will rise by one each time you execute this code. This demonstrates that, regardless of where we are in the code, we are always working with the same Singleton instance.

Demo of Singleton in Flutter:

We’ll create a UserPreference Singleton class in order to create a user preference class that uses the shared_preference package to store data locally. In a Flutter application, this class offers a centralised, effective method for handling user preferences.

import 'package:shared_preferences/shared_preferences.dart';

class UserPreferences {
  static UserPreferences? _instance;

  UserPreferences._internal();

  static UserPreferences get instance {
    if (_instance == null) {
      _instance = UserPreferences._internal();
    }
    return _instance!;
  }

  late SharedPreferences _preferences;

  Future<void> init() async {
    _preferences = await SharedPreferences.getInstance();
  }

  String get username => _preferences.getString('username') ?? '';

  set username(String value) {
    _preferences.setString('username', value);
  }
}

It guarantees that there is only a single instance of the class and that user preferences are maintained between app launches. We will also attempt to obtain and configure the username.

=> main.dart

// The main function of the application.
void main() async {
  // Ensures that you have an instance of the WidgetsBinding.
  WidgetsFlutterBinding.ensureInitialized();

  // Initialize the UserPreferences singleton instance.
  await UserPreferences.instance.init();

  // Run the app. The const keyword here means that the MyApp widget is
  runApp(const MyApp());
}

Drawbacks:

  1. Global State: Singletons can introduce hard-to-detect dependencies between classes and make an application difficult to understand by creating a global state.
  2. Difficulty in Testing: Because singletons maintain state throughout the lifecycle of the program, they can make unit testing challenging. Tests can interact with one another and cannot be separated due to this shared state.
  3. Memory Usage: Until the program is closed, a Singleton class instance stays in memory after it has been formed. This could consume more memory than is necessary, especially if the instance is large and won’t be used for the duration of the application.
  4. Inflexibility: Programming can become rigid and closely linked due to singletons, which makes it more challenging to modify and expand the code.
  5. Misinterpretation: When the getInstance function is changed to accept parameters, it’s simple to inadvertently turn a singleton into a factory design.

Conclusion:

In the article, I have explained the Singleton Design Pattern basic structure in a flutter; you can modify this code according to your choice. This was a small introduction to the Singleton Design Pattern On User Interaction from my side, and it’s working using Flutter.

I hope this blog will provide you with sufficient information on trying the Explore Singleton Design Pattern In Flutter in your projects. One essential idea that software developers must comprehend is the Singleton design pattern. It provides a special and efficient method of controlling worldwide resource access. The Singleton design, suitable use cases, Dart implementation, and possible disadvantages are all covered in this article.

The UserPreferences class, which effectively manages user preferences by maintaining a single instance of the class, serves as another example of its useful implementation in Flutter. Notwithstanding its advantages, it’s important to take into account the possible drawbacks of Singleton, including testing issues, global state management, and possible rigidity in code modification. So please try it.

❤ ❤ Thanks for reading this article ❤❤

If I got something wrong? Let me know in the comments. I would love to improve.

Clap 👏 If this article helps you.


From Our Parent Company Aeologic

Aeologic Technologies is a leading AI-driven digital transformation company in India, helping businesses unlock growth with AI automation, IoT solutions, and custom web & mobile app development. We also specialize in AIDC solutions and technical manpower augmentation, offering end-to-end support from strategy and design to deployment and optimization.

Trusted across industries like manufacturing, healthcare, logistics, BFSI, and smart cities, Aeologic combines innovation with deep industry expertise to deliver future-ready solutions.

Feel free to connect with us:
And read more articles from FlutterDevs.com.

FlutterDevs team of Flutter developers to build high-quality and functionally-rich apps. Hire Flutter developer for your cross-platform Flutter mobile app project on an hourly or full-time basis as per your requirement! For any flutter-related queries, you can connect with us on FacebookGitHubTwitter, and LinkedIn.

We welcome feedback and hope that you share what you’re working on using #FlutterDevs. We truly enjoy seeing how you use Flutter to build beautiful, interactive web experiences.


Explore SOLID Principles In Flutter

0

I have been writing about design patterns for the past few articles, and I had promised to continue the series by concentrating on how they are used in Flutter development. I think it’s essential to comprehend the SOLID principles. There is always space for a deeper comprehension, even if we believe we already comprehend these concepts.

In this blog, we will Explore SOLID Principles In Flutter. We will see how to work on a deep dive guide for your Flutter applications.

If you’re looking for the best Flutter app development company for your mobile application then feel free to contact us at — support@flutterdevs.com.


Table Of Contents:

Introduction

What are the SOLID Principles?

Conclusion



Introduction:

A collection of five design guidelines known as the SOLID principles aids programmers in producing scalable and maintainable software. When creating your Flutter apps, you can use them, as they are extensively relevant in object-oriented programming.

What are the SOLID Principles?

Robert C. Martin, sometimes known as Uncle Bob, presented the SOLID principles in his paper Design Principles and Design Patterns. The goal of these guidelines was to improve the readability, adaptability, and maintainability of software designs. SOLID is an acronym that stands for:

  1. S: Single Responsibility Principle (SRP)
  2. O: Open-Closed Principle (OCP)
  3. L: Liskov Substitution Principle (LSP)
  4. I: Interface Segregation Principle (ISP)
  5. D: Dependency Inversion Principle (DIP)

By reducing dependencies between software components, these concepts offer a method for decoupling software and increasing its modularity, flexibility, and adaptability to changes. Although they can be applied to other paradigms, object-oriented programming is where they are most frequently used.

=> Single Responsibility Principle (SRP):
The Single Responsibility Principle (SRP) states that there should only be one justification for a class to change. Let’s look at an example to better grasp this idea.

Issue:-

class User {
  String name;
  String email;

  User(this.name, this.email);

  void changeEmail(String newEmail) {
    if (validateEmail(newEmail)) {
      this.email = newEmail;
    } else {
      print('Invalid email');
    }
  }

  bool validateEmail(String email) {
    return email.contains('@');
  }
}

The User class in the code above violates the Single Responsibility Principle (SRP) since it has two duties: email validation and user data management.

Solution:-

class User {
  String name;
  String email;

  User(this.name, this.email);

  void changeEmail(String newEmail) {
    if (EmailValidator.validate(newEmail)) {
      this.email = newEmail;
    } else {
      print('Invalid email');
    }
  }
}

class EmailValidator {
  static bool validate(String email) {
    return email.contains('@');
  }
}

The User class is now only in charge of handling user data, while the EmailValidator class is solely in charge of email validation. The Single Responsibility Principle (SRP) is upheld here.

=> Open-Closed Principle (OCP):
Software entities (classes, modules, functions, etc.) should be open for expansion but closed for modification under the Open-Closed Principle (OCP). Let’s look at an example to better grasp this idea

Issue:-

class Languages {
  void languages(String language) {
    switch (language) {
      case 'English':
        print('Hello!');
        break;
      case 'Spanish':
        print('Hola!');
        break;
      default:
        print('Language not supported');
    }
  }
}

The Open-Closed Principle (OCP) will be broken if I add a new language because I will need to change the languages() procedure.

Solution:-
By developing distinct classes for every language that implement a common Languages interface, we may resolve this issue.

abstract class Languages {
  void greet();
}

class EnglishLanuages implements Languages {
  @override
  void lanuages() {
    print('Hello!');
  }
}

class SpanishLanguages implements Languages {
  @override
  void languages() {
    print('Hola!');
  }
}

class FrenchLanguages implements Languages {
  @override
  void languages() {
    print('Bonjour!');
  }
}

class HindiLanguages implements Languages {
  @override
  void languages() {
    print("Namaste!");
  }
}

The Languages interface is now closed for modification (we are not required to change the Languages interface or any of the existing classes), but it is open for extension (we can add other languages by establishing new classes). The Open-Closed Principle is followed here.

=> Liskov Substitution Principle (LSP):
The Liskov Substitution Principle (LSP) states that each instance of a derived (child) class ought to be interchangeable with an instance of its base (parent) class without compromising the program’s validity. Let’s look at an example to better grasp this idea.

Issue:-

class AquaticAnimals {
  void fly() {
    print('Swim...');
  }
}

class Bird extends AquaticAnimals {
  @override
  void fly() {
    throw Exception('Birds can\'t swim!');
  }
}

Although the code above indicates that the Bird class is a subclass of AquaticAnimals, it lacks some of the capabilities of AquaticAnimals, such as the ability to swim. We may run into problems that violate the Liskov Substitution Principle (LSP) when we try to substitute a bird for an aquatic animal.

Solution:-

abstract class AquaticAnimals {
  void eat();
}

abstract class SwimAquaticAnimals extends AquaticAnimals {
  void swim();
}

abstract class NonSwimAquaticAnimals extends AquaticAnimals {}

class Whale implements SwimAquaticAnimals {
  @override
  void eat() {
    print("Eating...");
  }

  @override
  void fly() {
    print('Swim...');
  }
}

class Bird implements NonSwimAquaticAnimals {
  @override
  void eat() {
    print("Eating...");
  }
}

Now, an aquatic animals can always be replaced by a SwimAquaticAnimals, and an aquatic animal may always be replaced by a NonSwimAquaticAnimals. The Liskov Substitution Principle (LSP) is upheld here.

=> Interface Segregation Principle (ISP):
The Interface Segregation Principle (ISP) states that it is preferable to design smaller, more targeted interfaces for particular use cases rather than a single, comprehensive interface that encompasses all potential approaches. Let’s look at an example to better grasp this idea.

Issue:-

abstract class Bird {
  void eat();
  void sleep();
  void fly();
}

The Bird interface in the code above has several duties. A bird must use one of these techniques even if it is not necessary (for example, a dog cannot fly). The Interface Segregation Principle (ISP) is broken by this.

Solution:-
By developing distinct interfaces for every duty, we can resolve this.

abstract class Eater {
  void eat();
}

abstract class Sleeper {
  void sleep();
}

abstract class Flyer {
  void fly();
}

class Bird implements Eater, Sleeper, Flyer {
  @override
  void eat() {
    print("Eating..");
  }

  @override
  void sleep() {
    print("Sleeping..");
  }

  @override
  void fly() {
    print("Flying..");
  }
}

class Dog implements Eater, Sleeper {
  @override
  void eat() {
    print("Eating..");
  }

  @override
  void sleep() {
    print("Sleeping..");
  }
}

A bird can now implement only the interfaces it needs, and each interface has a single responsibility. This complies with the principle of interface segregation.

=> Dependency Inversion Principle (DIP):
The Dependency Inversion Principle (DIP) states that both high-level and low-level modules should rely on abstractions rather than on one another. Let’s look at an example to better grasp this idea.

Issue:-

class WeatherService {
  String getWeather() {
    return "Sunny";
  }
}

class WeatherReporter {
  WeatherService _weatherService;

  WeatherReporter(this._weatherService);

  void reportWeather() {
    String weather = _weatherService.getWeather();
    print('The weather is $weather');
  }
}

The WeatherReporter class in the code above depends directly on the WeatherService class. The WeatherReporter class must be changed if we wish to alter how we obtain the weather (for instance, by utilising a different weather provider). The Dependency Inversion Principle (DIP) is broken by this.

Solution:-
By developing a WeatherProvider interface and making WeatherReporter rely on it rather than the actual WeatherService, we can resolve this issue.

abstract class WeatherProvider {
  String getWeather();
}

class WeatherService implements WeatherProvider {
  @override
  String getWeather() {
    return "Sunny";
  }
}

class WeatherReporter {
  WeatherProvider _weatherProvider;

  WeatherReporter(this._weatherProvider);

  void reportWeather() {
    String weather = _weatherProvider.getWeather();
    print('The weather is $weather');
  }
}

Instead of relying on the actual WeatherService, the WeatherReporter class now depends on the abstraction (WeatherProvider). Simply create a new class that implements WeatherProvider if we wish to modify how we obtain the weather. The WeatherReporter class doesn’t need to be changed. The Dependency Inversion Principle (DIP) is followed here.

Conclusion:

In the article, I have explained the basic structure of SOLID Principles in Flutter; you can modify this code according to your choice. This was a small introduction to SOLID Principles in Flutter on User Interaction from my side, and it’s working using Flutter.

I hope this blog will provide you with sufficient information on trying up Explore SOLID Principles in your Flutter projects. We will show you what an Introduction is?. A collection of rules known as the SOLID principles can assist you in writing code that is reliable and easy to maintain. It’s crucial to use them sensibly and avoid making things too complicated. You must comprehend these principles’ goals and use them correctly to improve the calibre of your software design if you want to get the most out of them.. So please try it.

❤ ❤ Thanks for reading this article ❤❤

If I got something wrong? Let me know in the comments. I would love to improve.

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