How to Convert Your Existing Mobile App to Flutter Quickly? [Updated]

how to convert your existing mobile app to flutter quickly itechnolabs

Developing a mobile app is cumbersome. From listing down factors needed to incorporate into an app to selecting which technology to work on, the mobile app development process can be daunting. But today’s tech has answers to make everything easy.

Flutter is one alternative to make mobile app development easy!

What is Flutter?

Flutter is a UI software development kit created by Google. It is an open-source platform and can be leveraged to develop Android, iOS, cross-platform, windows, and macOS applications. And it makes all this possible with the help of a single codebase. This makes the mobile app development process easier and faster with Flutter.

Further, it is built with robust developer tools. These are interactive widgets, code editors, performance profilers, and many more. All of this helps develop high-quality apps with interactive UI. But are all these factors enough to consider Flutter for mobile app development?

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Why Use Flutter App Development Services?

Flutter is Google’s product. And this makes it reliable and trustable. But that is not enough. There are many more reasons that make flutter the right choice.

Starting with how easy Flutter makes it for developers to build a mobile application. As it has developer-friendly tools, it does not pose any major complications to developers. It also elevates the ease of development several fold.

Further, if you leverage Flutter for app development, the speed and performance can be taken care of. It also reduces the number of times you need to test an application. It also makes it easy to code two applications with a single code. This feature is highly appreciated by programmers as well as developers. Also, the features and functionalities provided by this framework allow swift app development. Along with this, Flutter has a hot reload feature. Due to this, one can instantly access the new changes made in the source code!

Benefits of Using Flutter for Mobile App Development

benefits of using flutter for mobile app development itechnolabs

1. Compatible

Flutter is equipped with a range of tools and widgets. If you develop through Flutter, the widgets become a part of an app, not the platform. And this accounts for better compatibility and possesses no limitations upon integrations with different operating systems. Also, this makes testing easier and quick!

2. Google Firebase Collaboration

Flutter can work compatible with google firebase. This provides developers with the ability to create high-performance mobile apps in less time. This compatibility also allows access to backend services that too with complete authentication, hosting, database management, and storage!

3. Single UI across Platforms

If you are looking for a solution that allows maintaining a single user interface across platforms, flutter shall be your choice!

To make this possible, Flutter removes any dependency on platform-specific UI components. This creates a unified UI. This leads to time-saving and a smart approach to mobile app development.

4. No Dependencies on third-Parties 

Flutter has all the necessary libraries already available. Be it for the navigation, testing, UI rendering elements, or whatnot! This eliminates any need for third-party integrations. This also keeps the app clean and concise!

But how can one know when to use Flutter for app development and when not to?

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When to Use Flutter for Mobile App Development?

There are scenarios that can make using Flutter beneficial. Here are some of these-

  • When you want to update your already developed Android or iOS application. But without a hassle.
  • If your existing mobile application has some technical issues, shifting it to Flutter can help.
  • When you are thinking of releasing a fully-functional application in less time.

Now, you know when and why to move your mobile app to flutter. But the question is how?

How to Move your Existing Application to Flutter?

Converting your existing application to flutter might sound easy, but it is not. The process needs to be operated by keeping all principles and functional components intact. Therefore, it is advised to be a little cautious while moving your app to flutter. Let’s discuss this in detail!

Converting Android App to Flutter

  1. Open the project
  2. New Flutter module wizard
  3. Leverage Flutter android APIs
  4. Build the project, and run it
  5. Attach, and use hot reload to check new changes

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Android applications can be moved to flutter to make them more stable, fast, and performance efficient. To initiate this process, the foremost step is to integrate flutter as a library or module. Do this carefully, as this module will be responsible for the app’s user interface in later steps.

To create a separate code from the flutter code, use the command create-t in a flutter. This command will execute a new project with a different structure.



To know this process in detail, refer to the official documentation page on Flutter.

Add Flutter to an existing iOS app:

  1. Open an existing project.
  2. Create Flutter Module.
  3. Install CocoaPods.
  4. Use Flutter iOS APIs.
  5. Build & Run.
  6. Attach & hot reload.

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Converting an iOS app to Flutter is almost similar to convert an android app.


android gif

These steps can easily convert your existing iOS application to Futter.

Integration of Flutter Module

integration of flutter module itechnolabs

To integrate a Flutter module into an existing Android or iOS project, you’ll need to follow a few steps:

1. Create a new Flutter module:

First, create a new Flutter module using the flutter create command. This will create a new Flutter project that you can use as a module in your existing project.

2. Add the module to your project:

To add the module to your existing Android or iOS project, you’ll need to add it as a dependency. In Android, this involves adding the module as a sub-project in your project’s “settings. gradle” file and then adding the module as a dependency in your project’s “build. gradle” file. In iOS, you’ll need to add the module as a dependency in your project’s ‘Podfile’.

3. Configure the module:

Once the module is added to your project, you’ll need to configure it to work with your existing project. This may involve configuring things like the module’s build settings, linking to native code, and configuring the module’s entry point.

4. Use the module:

Finally, you can use the module in your project by calling its APIs from your native code. This will allow you to take advantage of the functionality provided by the Flutter module in your existing project.

It’s important to note that the exact steps involved in integrating a Flutter module will depend on your specific project and the modules you’re working with. You’ll need to refer to the documentation for your specific module and platform to ensure you’re following the correct steps.

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Why Choose Flutter For Mobile App Development?

why choose flutter for mobile app development itechnolabs

There are several reasons why someone might choose to use Flutter for App Development.

1. Cross-platform development:

Flutter allows you to write code once and deploy it to multiple platforms (iOS, Android, web, desktop) with minimal changes. This can save a lot of time and effort compared to developing separate apps for each platform.

2. Fast development:

Flutter’s “hot reload” feature allows developers to see changes to their code in real-time, without having to restart the app or emulator. This makes the development process faster and more efficient.

3. Beautiful UI:

Flutter uses its rendering engine to create beautiful and responsive user interfaces. It also comes with a large number of pre-built widgets, which makes it easy to create custom designs that look great on any platform.

4. Performance:

Flutter is known for its fast performance, thanks to its use of the Dart programming language and its just-in-time (JIT) compilation. This can result in faster load times, smoother animations, and a better overall user experience.

5. Active community:

Flutter has a large and active community of developers, which means there are plenty of resources available for learning and problem-solving. This also means that there are many third-party packages and plugins available to extend the functionality of your app.

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Things That Flutter Allows Us To Do While Converting Into Android Applications

flutter allows us to do while converting into android applications

Flutter is a popular framework for building high-performance, cross-platform mobile applications. When it comes to converting a Flutter app into an Android application, there are several advantages that the framework provides. Here are some things that Flutter allows us to do while converting into Android applications:

1. Hot Reload:

Flutter’s Hot Reload feature allows developers to make changes to the code and see the changes immediately in the app without the need to rebuild or restart the app. This makes the development process faster and more efficient.

2. Customizable Widgets:

Flutter offers a wide range of customizable widgets that can be easily tailored to fit the design and functionality of the Android app. The widgets are easy to use and allow developers to create responsive UIs quickly.

3. Native Performance:

Flutter allows developers to build high-performance mobile apps that provide a native-like experience on Android devices. The framework uses native components to render UI elements, resulting in a smoother and more responsive app.

4. Cross-Platform Compatibility:

Flutter allows developers to create apps for both Android and iOS using a single codebase. This not only saves time and effort but also ensures consistency across platforms.

5. Access to Native Features:

Flutter provides easy access to native Android features such as cameras, geolocation, and sensors. This allows developers to build more feature-rich and functional apps.

6. Integration with Third-Party Libraries:

Flutter allows easy integration with third-party libraries, which can further enhance the functionality of the app. This can save time and effort in building complex features from scratch.

Overall, Flutter provides a robust framework for building high-quality Android applications. Its features and capabilities allow developers to build feature-rich, high-performance apps that can be easily customized to meet the needs of the users.

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Synopsis While Converting Your Existing App Into Flutter

Converting an existing app into Flutter can be a challenging task. Here are some of the possible synopsis that you may encounter during the development process:

  • Rebuild the UI:

Flutter uses a unique layout and widget system that is different from other frameworks. Hence, you may need to rebuild the user interface from scratch. However, you can use the existing design as a reference to guide the development process.

  • Replace the existing code:

If the existing app code is not in a reusable format or uses different languages, then it may need to be rewritten in Dart, the language used in Flutter. You may also have to replace some parts of the code that are not supported by Flutter.

  • Integration with native code:

If your app has some parts that need to communicate with native code, such as platform-specific APIs, you may need to use platform channels to connect to the native code from your Flutter app.

  • Testing:

Testing is an essential part of the development process, and you may need to write new tests or modify existing ones to ensure that the app works correctly after the conversion.

  • Optimization:

You may have to make some adjustments to optimize the performance of the app, such as reducing the app’s size, improving the app’s startup time, or making the app’s layout more efficient.

  • Deployment:

After the app is converted to Flutter, you may need to make some changes to the deployment process, such as configuring the app’s build settings, managing dependencies, and creating new builds for the app stores.

  • Team Training:

You may need to train your team in Dart programming and Flutter development to ensure they are familiar with the new technology stack and can work effectively on the project.

Overall, converting an existing app into Flutter requires careful planning, attention to detail, and a willingness to learn new concepts and tools. With the right approach, you can create a highly performant and modern app using Flutter.

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Flutter at Your Rescue!

We all know how challenging developing mobile applications can be. But, with the help of a few tools, the challenges can be minimized. Flutter is one such tool!

Allowing hassle-free updates and creating crisp and user-friendly applications, Flutter can mitigate any hurdles in mobile apps. Further, the developer-friendly tools incorporated enhance the ease of mobile app development through Flutter. But, for Flutter also, one must have mobile development experience. And that’s where we come!

Do You Want to Convert Your Existing Mobile App to Flutter ?

do you want to convert your existing mobile app to flutter itechnolabs

We, iTechnolabs are a team of expert mobile app developers. We can help you convert as well as manage your mobile application on flutter. We follow robust principles and compatibility testing before delivering your application. So, shun all your doubts, and contact us today to experience the best-in-class mobile app development services!

Frequently Asked Questions to Convert Your Existing Mobile App to Flutter (Android or iOS app to Flutter)

1. How do I convert an existing app to Flutter?

  1. Open an existing project.
  2. New Flutter module wizard.
  3. Use Flutter Android APIs.
  4. Build & run.
  5. Attach & hot reload.

We can easily convert an existing native Android or iOS app to Flutter. iTechnolabs can help you with an analysis of what’s possible and what’s not. To convert an existing app to Flutter, we follow the guidelines below:

2. How do I convert Android Apps to Flutter?

We can convert Android Apps to Flutter by following the below-given steps:

  • Auto-build and then import Flutter into your Flutter module by including a Flutter SDK hook in the Gradle script.
  • Make your Flutter application into a generic Android Archive (AAR) for integration into your build system, and to enhance Jetifier integration with AndroidX.

3. How to convert an iOS App to Flutter?

Things Flutter lets us do by integrating into iOS applications.

  • Include a Flutter SDK hook in Your CocoaPods along with the Xcode build process to build automatically and then import Flutter into your CocoaPods. Flutter module.
  • It lets you build a Flutter module that can be integrated into an iOS Framework so that you can incorporate the module into your own build system.
  • FlutterEngine API for starting and persisting your Flutter environment independently of attaching a FlutterViewController.
  • The app also works with both versions of iOS apps Objective-C and Swift.
  • Let Flutter modules utilize the Flutter plug-ins to communicate with the platform.
  • Utilizing the flutter attach feature using an IDE or commands line, users are able to connect to an application that contains Flutter, and then investigate it, or reload it by using the stateful hot load.

4. Can you build mobile apps with Flutter?

Flutter is a fantastic framework to build mobile apps. It allows for quick development as well as beautiful and responsive design and a single source code base that works for iOS as well as Android. Hot-reload allows developers to view changes in real-time which reduces the time to develop.

5. Can I use Flutter within my existing app?

To add Flutter with an existing app, iTechnolabs use the following steps:

  • Download the Flutter SDK.
  • Enable web support.
  • Add web support to an existing app.
  • Create a new app with web support.
  • Run the web app.
  • Generate a release build.

6.  Flutter vs. React Native:  Which one is better?

  • React native Apps are designed via JavaScript which is more prevalent than the rarely used Dart programming language of Flutter.
  • As far as user experience is concerned, Flutter enables use of the built-in, sophisticated widgets. On the other hand, React native relies on the use of external SDKs that are more close to the native experience.
  • As Flutter is newer in the domain of mobile app development, less number of developers are well-versed with it as compared to the large number of developers who enjoy market expertise in React Native.
  • When speed of development is in question, Flutter is far more speedier than React Native and hence, enables you to launch your app in the market as soon as possible.

7. How to convert an Android app to iOS?

  • Android and iOS are very distinct operating systems. Therefore, the apps running on them are developed using very unique frameworks
  • To get your Android app converted to iOS framework, get in touch with technology experts at iTechnolabs right here, right now

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