Flutter Performance Optimization: Expert Tips

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Do you want to spruce up your market presence online? Do you want to build a solid software app that can attract your audience and convert them into customers?

If so, it’s time to consider the best cross-platform app development framework, i.e., “Flutter”! Flutter is a popular cross-platform app development platform that enables developers to build beautiful, robust, functional, scalable, and native-looking apps for both iOS and Android using a single codebase. 

But if you think this is the end, you are probably mistaken! It’s just half of the battle won. Remember that no matter whether you build your app with the help of Flutter app development company (though it’s an added advantage), if you’re unable to provide a smooth and responsive experience then it’s of no use.  Thus, you should know the performance optimisation tips for your Flutter app. Before that, let’s understand about Flutter in detail! 

Flutter: What is it?

To put it simply, Flutter is a Google-backed open-source technology that enables developers to build mobile and web applications using a single codebase. With such functionality (Single codebase), developers don’t need to write the entire code to develop the same app for a different platform. Instead, they can use the same code and build apps for different platforms. Unlike other popular app development frameworks, Flutter is not a framework or library; instead, it’s a complete SDK – software development kit. Furthermore, developers can easily leverage the Flutter software development kit to cover the entire aspects of the development. Not only does the framework offer a wide range of custom widgets but also helps you to personalize them as per the needs of the target customer base. 

Important Facts & Statistics Related to Flutter App Development 

Here is a list of the key facts and statistics related to Flutter app development. 

  • According to the forecast, Flutter is expected to attain a 14% market share by 2024.

  • According to a recent Statista survey, 39% of developers choose Flutter when developing mobile applications as opposed to React. 

  • Additionally, the research stated that 500,000 developers use Flutter monthly, out of almost 2,000,000 total users. 

Top Optimization Tips to Improve Flutter App Performance 

Let’s take a look at the important optimization tips. 

#1. Minimize expensive operations

One of the important tips to consider to optimize the performance of your app is to reduce expensive operations and keep it to the minimum as possible. There is no denying that many Flutter functions are expensive and demand more operations. Ensure you leverage Flutter’s hot reload feature to boost the app development process. Remember that excessive widget rebuilds can impact performance. Ensure you implement the shouldRebuild method to make the most out of your app development process. 

#2. Use Const Keyword

Another major performance optimization tip is that you should divide big widgets into manageable stateless widgets. If you don’t know how to do it, hire the best Flutter app development company that can use the Const Keyword to decrease memory use. Thus, it will help professional app developers to initialize widgets with all of their dependencies at build time. 

#3. Avoid Usage of Opacity Widgets

To make the most out of the Flutter app, ensure you reduce the use of opacity widgets to hide other widgets. If you think that hiding a widget is easy then you are probably mistaken! Programmers can wrap a widget into the Opacity Widget to make it invisible. When the Opacity Widget is used directly for UI animation, every frame is recreated. This, in turn, makes it ineffective and degrades animation performance. Ensure you avoid the use of opacity widgets whenever possible. 

#4. Minimize Layout Passes Caused by Complex Process

There is no denying that Flutter effectively leverages incredible layouts and animations to provide the best user experience. But at the same time, it is hard to argue that the layout and constraints of Flutter are expensive. When it comes to maintaining the performance, it is wise to perform a single layout pass over the widget. There is another pass of the layout, including an intrinsic pass which can compromise the performance of the app. Furthermore, developers can use the Track Layouts option to track intrinsic passes in the app.

#5. Use SaveLayer() Thoughtfully

No matter what kind of app you have built or trying to build for your business, it’s important to implement visual effects in the UI. Not only does it make your app look visually appealing but it also renders a smooth scrolling experience. Ask your developers to use the Savelayer() function to execute various visual effects in the UI. 

Note: However, the Savelayer () function is expensive and might will slow down the Flutter app performance.

#6. Build & Display Frames in 16ms

If you want to build and display frames, ensure you make it happen in 16ms or less. Ask your professional app developer to split these 16ms to create a balance between the picture and the structure. To avoid upfront expense, you can try to create 8ms for display while the other 8ms for picture. Not only doing so can improve the overall battery life of the device but it also doesn’t create any impact on the visuals. 

#7. Reduce App Size

Last but not least, if you want to improve the performance of the app, try to reduce its size. You can consider several packages that can help you build the code without extending the size of the app. Ensure you use the app bundles or packages to build the app and maintain the right size. 

Final Thoughts 

So, there you have it! That’s all about the performance optimization tips for your Flutter app! If the app is too slow, occupies too much space or adds to your memory, people might not start using it. With these simple hacks and a complete performance monitoring log, you can keep up with your business’s quality and performance needs.

Planning to build a solid Flutter app or optimize its performance to increase its speed and functionality? If so, your search ends here! Hire flutter app developers at EitBiz, a leading Flutter app development company that efficiently leverages state-of-the-art technologies and tools to build solid, scalable, and feature-rich Flutter apps and boost their speed, effectiveness, and functionality. Ready to optimize your Flutter app? Contact us EitBiz at +1(812)530-6300 or mail us at [email protected] to discuss your requirements today!

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