Last Updated on November 22, 2024
Quick Summary:
Nowadays, product owners require high-performance applications to keep their users engaged with the app. Lagging and skipped frames annoy users and give them a bad user impression. Therefore it is necessary to have a feature-rich app offering their user behavior to run smooth applications. This blog post will guide you on how to improve Flutter performance in your existing app.
Table of Contents
Introduction
Flutter has become the most preferred and used framework for cross-platform application development. Popular for its rapid development cycle and customizable UI, Flutter framework runs on Dart programming language, developed by Google. Flutter reduces the development cost and brings flexibility to application development for all platforms. This makes Flutter one of the powerful frameworks for application development.
With Flutter, developers can easily create visually appealing, responsive mobile apps for both iOS and Android from a single codebase. However, as your business and application scale up, it becomes a little difficult to maintain seamless performance, which hinders the user experience and satisfaction. That’s why Flutter performance optimization becomes essential to ensure your Flutter app functions smoothly with fast loading times and efficient resource usage. By optimizing your app for performance, you can enhance its responsiveness and reliability, which can lead to satisfied and happy users. Get ready to explore essential Flutter performance optimization strategies and techniques so your app continues to deliver the high-quality experience your users expect.
Top Flutter Performance Optimization Tips
Flutter is indeed a powerful, flexible, and open-source framework used mainly for crafting cross-platform applications where performance and efficiency are of the essence. Here are some Flutter performance tips for app optimization to ensure it remains fast, efficient, and responsive as it grows. Follow these Flutter app optimization best practices to ensure your app delivers a smooth, exceptional experience that keeps users coming back for more.
1. Avoid State Flutter Widgets
The common mistake we all make is using State Flutter widgets for Flutter App development in the early stages of development. While stateful widgets are mostly useful for managing dynamic content, one should only use them when it’s necessary. It would be best suited to build complex functions that require frequent updates. Additionally, you should know that SetState() and StatefulWidget should only be used to rebuild or update. Also, it would be better to avoid using it in whole widgets for better Flutter performance.
2. Use Const Keyword
The Const keyword, a powerful tool to optimize app performance, works as a constant and is used at the time of compilation. By marking widgets as Const, you can make sure that they are compiled at build time and avoid unnecessary rebuilding during runtime. This can help reduce the app’s processing load and enhance memory efficiency.
Example of const usage:
const EdgeInsets.fromLTRB(16, 4, 16, 8);
const Color lightGray = Color(0xFFFEFEFE);
const Text('This is a static text');
3. Try Using Async/Await for Asynchronous Code
It is necessary to check at the time of development that the code which is used in the application is synchronous or asynchronous. With the help of Async/Await, code can be written asynchronously in the Flutter application. This asynchronous code can help improve code readability and performance. By converting blocking operations into asynchronous tasks, you prevent UI jank caused by long-running synchronous functions. Though Async code is tough to upgrade and debug, the improved code structure makes it more maintainable and user-friendly.
Connect with us today to Hire Flutter developer to enhance the speed and performance of your existing Flutter application.
4. Render and Display Frames Within 16ms
When you want to get optimal performance on 60Hz displays, it becomes essential to divide the 16ms frame time into two parts. Developers can use 8ms for structure rendering and another 8ms for drawing the picture. This ensures smooth animation and UI updates without compromising battery life or display quality. Reducing this time window by dividing 16ms frames helps maintain better Flutter performance in your application. Moreover, with 16ms, you can get better performance on smaller devices.
5. Minimize Widget Rebuilding in AnimatedBuilder
Animation is one of the most attractive features of any web or mobile application. It grabs the user’s attention, but at the same time, it decreases the performance of the application, especially when it trigger unnecessary rebuilds. In AnimatedBuilder, developers generally use AnimationController, which in turn results in rebuilding multiple widgets. That’s the common reason for poor Flutter performance. To avoid such bad performance issues, you can use CounterWidget, which helps develop animation without rebuilding the entire widget tree.
6. Avoid The Build() Method
Avoiding the use of the Build() method is one of the important Flutter performance optimization tips you should consider. The Build() method is central to Flutter’s rendering process, and overusing it can be costly as it consumes a lot of CPU power. Repetitive use of Build() can result in a decrease in Flutter performance. To mitigate this and get the best Flutter performance in your existing application, you can divide the complex, large widgets into smaller components with the Build() method.
7. Reduce Application Size
It is common to use multiple packages, codes, and widgets during app development. But sometimes, it requires high memory to store all of this data, which is a major aspect leading to poor Flutter app performance. Thanks to Gradle, you can decrease your app’s size to optimize Flutter performance. App Bundles, can also allow you to download the specific or original code required for the device’s architecture, which further leads to enhancing performance and saving storage space.
8. Optimize Images and Assets
It is certain that very large or uncompressed images can have a significant impact on your Flutter app’s loading time and memory usage. Due to large-sized images, your app takes more time to load and function, which further delivers poor user experience. You need to resize images to the required dimensions and utilize designing images in appropriate formats like WebP to achieve smaller file sizes and quality. Also, you can consider asset caching to keep images readily available, and that would reduce the load time and enhance user experience.
9. Terminate Utilized Resources
Another best practice you can follow for Flutter performance optimization is removing or deleting unwanted resources. There are two types of processes you can follow to terminate utilized resources. One is manually deleting undesirable resources. The user has to select the individual files manually and then filter and remove the ones that are no longer required. However, in the automatic resource-removing process, tools like the Android Studio are used to dismiss the unutilized resources from the Menu.
10. Consistently Verify Your pubspec.yaml File
Another thing you can consider for Flutter app performance optimization is to consistently check the packages that are being used. It will help you reduce the number of packages by removing the unnecessary ones and keeping the active packages. Check the pubspec.yaml file, and you can directly eliminate unwanted libraries or packages. This practice helps you to improve the performance and maintainability of your Flutter app.
11. Use a State Management Library
With Flutter, developers can get access to a lot of state management libraries available. Efficient state management is essential if you want to ensure high performance of your Flutter app. You can use various state management libraries like Bloc, Provider, and Riverpod. These Flutter state management libraries provide numerous benefits to enhance the app performance. The effective use of state management can offer a clear separation between UI and business logic and facilitate the needed app scalability. Integrate state management libraries with your Flutter app to improve its overall responsiveness and stability.
12. Use Flutter DevTools
Developers can use a suite of developer tools to get comprehensive insights into the Flutter app’s performance. With Flutter DevTools, the Performance View option enables analyzing CPU, memory usage, and frame rates. It also helps identify areas where optimization is required, track build times, and visualize the rendering pipeline. Using the DevTools, you can better identify the bottlenecks that might slow down the Flutter app performance.
How Bacancy’s Expert Guidance Boosts Your App’s Efficiency and Performance?
In today’s competitive app development world, maintaining high performance is quintessential to keep users engaged and not getting distracted or frustrated. Bacancy is a leading Flutter development services provider known for offering expert guidance for performance optimization in Flutter. Working with an expert team can help you implement strategic solutions and industry best practices to ensure your app delivers an exceptional user experience at every stage. Here is what you can get by collaborating with an expert Flutter app development company:
- Comprehensive Performance Audits – With regular performance audits, it will be easy to identify and address bottlenecks affecting app speed, memory, and overall efficiency.
- Optimized Code Architecture – By optimizing the architecture of your app’s code, you can streamline code structure to improve app loading times and maintain the scalability of your Flutter app.
- Enhanced User Interface Responsiveness – Let Flutter experts implement industry-leading best practices and techniques to reduce lag and boost smooth navigation to enhance app user interface.
- Efficient Asset and Resource Management – You can compress and optimize assets to minimize app size without sacrificing quality, which helps managing assets and resources efficiently.
- Seamless Network Optimization – Not only can you enhance data loading efficiency but also reduce network call delays with seamless network optimization. It also facilitates faster, smoother interactions throughout the app.
- Proactive Maintenance and Support – Ongoing updates and enhancements can help keep your Flutter application consistently delivering peak performance, ensuring that it remains fast, responsive, and resilient.
Key Take Away On Flutter Performance
Flutter performance optimization has always been great as Flutter as a framework has provided tremendous support in web and native application development. It is also compatible with heavy visual effects applications. However, it is necessary for businesses to prioritize performance optimization to avoid unwanted errors and slow performance throughout the application.
By following Flutter performance optimization tips like reducing widget rebuilds, optimizing assets, minimizing complex layouts, and utilizing Flutter’s powerful development tools, you can certainly improve your Flutter app’s efficiency, performance, and experience. Flutter brings scalability, reliability, and security to your application, and if you want to optimize your Flutter application, then contact a Flutter app development company like Bacancy for outstanding optimization services.
Frequently Asked Questions (FAQs)
Follow the below steps to speed up your Flutter App performance:
- Decrease the usage of Opacity.
- Avoid dividing all widgets into methods.
- Divide codes into smaller ones to get high performance.
- Avoid rebuilding widgets.
Const is a keyword used to store the variable’s value known at compilation. More simply, the compiler has an idea about the value in advance.
In Flutter, there are various types of ListView which are mentioned below:
- ListView
- AnimatedListView
- ListWheelScrollView
- Reorderable List View
Related Blogs
Expand Your Digital Horizons With Us
Start a new project or take an existing one to the next level. Get in touch to start small, scale-up, and go Agile.
Your Success Is Guaranteed !
We accelerate the release of digital product and guaranteed their success
We Use Slack, Jira & GitHub for Accurate Deployment and Effective Communication.