Nowadays you will see that Flutter is a popular framework that many developers like to use. One of the main reasons for using Flutter is that it can save money and make it easier to build apps for different platforms. It is used to create apps that work on different platforms like iOS and Android. That’s why Flutter is considered a powerful framework for making apps.
In this modern world, it is really important to have a fast and reliable app. Learn more about how to optimize Flutter app so that maximum users use that Flutter app. But sometimes, developers face challenges like errors and skipped frames that can make the app less reliable and frustrate users. That’s why many developers wonder how to make their Flutter app work better.
If you are wondering the same then follow these flutter performance tips to improve flutter app performance without using extra tools. It’s important to make sure that apps work smoothly and provide a good user experience. This blog post will show you how to make your Flutter app better and improve its performance.
7 Tips To Improve Flutter App Performance
1. Do Not Use State Flutter Widgets:
You will see that developers often use State Flutter widgets at the beginning process of Flutter app development. It is a mistake because it affects the flutter performance.
Stateful widgets should be only used whenever the developer needs to make changes or updates to your app’s interface. They should only be used when you need to rebuild or update specific parts of your app. It’s not a good idea to use them for the entire app because it can make your Flutter app slower.
To improve the flutter performance of your app, it’s better to avoid using SetState() and StatefulWidget for whole widgets. Instead, use them only when necessary for specific parts of your app that need updates and make sure that app performs better and runs smoothly.
2. Using Const Keyword
The Const keyword is used to allocate certain variables a fixed value that cannot be changed during the program’s compilation. It is helpful because it allows the developers to use multiple widgets without slowing down your app. It also helps to improve Flutter app performance by updating widgets that need changes.
In simpler terms, the Const keyword helps to reduce the size of the build function and widgets, making your app faster and more efficient. So it is one of the flutter app performance best practices to use Const when you have variables that won’t change.
The Const keyword in Flutter is like a special type of widget that stays the same throughout the program. It is used during compilation to make sure that the value doesn’t change. By using the Const keyword, you can use many widgets in your app without it slowing down.
Another advantage is that when you use const, you don’t have to rebuild the widgets every time you use them. This helps improve the performance of your app. Here you can see a use case of the Const keyword.
Whenever you are building a Flutter app, it’s important to understand whether your code runs synchronously or asynchronously. To make your code asynchronous, you can use a feature called Async/Await.
By using Async/Await, you can write code that runs asynchronously. When you mark a function as async, you can use the “await” keyword to pause the execution of the following lines until the result of a Future (a task that takes time to complete) is ready.
To improve the flutter app
performance of your app you should use Async/Await to write asynchronous code. This makes the operation appear as if it’s happening synchronously, even though it’s running asynchronously.
It can be more difficult to update and debug compared to synchronous code. So, it’s important to understand how to use Async/Await properly and handle any issues that may arise.
While developing a flutter app, developers need to remember that the display is divided into two major parts: Structure and Picture. When developers create apps, they have a limited time to render the structure and the picture on the screen.
Specifically, they have 8 milliseconds for the structure and another 8ms for the picture, on a display that refreshes at a rate of 60 times per second (60Hz). To improve the flutter app performance of your app it’s recommended to divide these 16ms equally between the structure and the picture.
This means that you should aim to complete the rendering of the structure within 8ms and the rendering of the picture within the other 8ms. You may think that allocating 16ms for rendering will lower the display quality. This section will help developers to determine how to improve flutter app performance and reduce unnecessary UI rebuild.
But that’s not the case and optimizes your app to work within this time frame; you can achieve better performance, especially on smaller devices. By efficiently managing the rendering time, you can ensure that your app runs smoothly, providing a better user experience while conserving system resources.
5. Avoid rebuilding widgets in AnimatedBuilder
As you know, animations are important in various web and mobile apps. These animations help to grab the user’s attention and make the app look awesome. However, animations can sometimes make the app slower and directly affect the flutter app performance of the app.
Most of the time developers use AnimationController to create animations. But they use AnimationController with AnimatedBuilder, it rebuilds multiple widgets, and that can make the app slower and less efficient.
To avoid these performance issues, you can use CounterWidget. It’s a widget that helps you to create various animations without having to rebuild multiple widgets. This way, you can still have cool animations in your app without sacrificing its performance.
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6. Avoid using the Build Method
The developers need to be careful whenever they are using the Build() method in Flutter because it can be expensive and also use up a lot of the device’s processing power. If you use Build() too often, it can slow down your Flutter app and make it less efficient.
That’s why you will see that many developers avoid the usage of Build method to improve the flutter performance of your app. To achieve the best performance in your Flutter app, it’s recommended to avoid repetitive use of the Build() method.
Instead of using it you can break down large widgets that rely on Build() into smaller ones. This way, you can reduce the frequency of calling Build() and optimize the performance of your app. By dividing widgets into smaller parts, you can make your app run faster and smoother.
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7. Reduce the size of applications
If you want to improve Flutter performance of the app then you need to use various packages, codes, and widgets to build your application. But if the app is having too much data then it can take up a lot of memory and your app will run slower.
Flutter’s development tool offers one method to reduce the size of your app. By using Gradle, you can optimize the size of your Flutter application and improve its performance. The developers should conduct Flutter app performance test to make sure mobile application is performing at its best.
There are many advantages of a packaging system named App Bundles that is introduced by Google. One notable feature of app bundles is that it allows you to download only the necessary code from the Google Play Store. This means that users will receive an app that is compatible with their device and supports its specific architecture. By using app bundles, you can optimize the size of your app and provide a better user experience.
Reducing the application size through app bundles not only improves the performance of your Flutter app but also ensures that users can download and install the app more efficiently from the Google Play Store. That’s why to improve flutter performance of the app you need to reduce the size of your application.
Conclusion:
I hope that you found these Flutter performance tips helpful and make sure that the Flutter app performs better. Factors like app size, device resolution, code speed, and hardware capabilities play a significant role in how well your app performs. You should hire Flutter developers because it is one of the best ways to get the Flutter app that performs well.
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