Flutter gives developers shortcuts for building Android and iOS apps. There are a lot of queries on how we can make our Flutter app run better. Flutter apps are usually productive by default, so all you have to do is avoid making a few mistakes when creating the code to make the app operate smoothly and quickly. With the techniques we’ll go over in this post, we’ll be able to avoid some of the most common mistakes that people make while optimizing Flutter apps.

To Not Do

1. Large Build Function

One of such errors is an extremely lengthy build function. Instead of having one large widget, you should break it up into several smaller ones. Let’s not forget to use const for our widgets as much as feasible; this allows us to catch and reuse widgets, avoiding rebuilds caused by their ancestors.

2. Expensive work

Second, in the build() method, you should avoid doing repeated and expensive work. A CPU-intensive build method will use more CPU than is necessary, since the build method is invoked frequently when ancestor Widgets are rebuilt.

3. Opacity

Finally, only utilize the Opacity Widget when absolutely required, particularly during the animation. Although the animation appears to work, animating the Opacity widget requires the widget to rebuild each frame, which is inefficient. Try using its alternatives instead: AnimatedOpacity, TransparentImage, and FadeInTransition.

Tips to implement in Flutter development

Use SizedBox instead of Container

SizedBox is more lightweight than Container. It has a const constructor that may be used to correct whitespace in a layout.

Make use of every Flutter snippet

Using a flutter snippet to create a wonderful experience with Flutter is easy. To create classes and methods more easily in Android Studio or VS Code, utilize the StreamBuilder or SingleChildScrollView widgets.

Slow animation for simple debugging

When developing your flutter animation, it’s crucial to pay attention to the smallest aspects. There’s a risk you’ll overlook a crucial piece that will influence the animation in the final scene. You may check for problems by clicking on flutter inspector slow animation and slowing down the animation.

Use the Introduction Screen for a customized experience

Save yourself the trouble of creating a custom introduction screen. In a flash, create a lovely welcome screen with introduction screen at the time of launching. You may make it fit your project as per your requirement

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