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Frosted Glass Effect in Flutter


The frosted glass effect is a cool UI concept in the flutter that makes our UI look more attractive. It is basically a blurred-out overlay with reduced opacity, to distinguish or diminish a certain view. This feature really looks good but it affects the app’s performance. So, let’s see how can we implement the frosted glass effect in flutter.

It is pretty easy to implement in the flutter by using the BackdropFilter() widget along with the ImageFilter class. BackdropFilter() widget in flutter is used to blur images, containers, or many other widgets as well. It works both on iOS and android. It is used to highlight the content which needs more focus and blur the content that needs less focus.

Step1: Create a simple flutter project.

Step2: Create a container and wrap it up with BackdropFilter and ClipRect. Now add a property of backdrop filter, filter: ImageFilter.blur, and add sigma X, sigmaY. Higher the sigmaX and sigmaY, the higher blur.

Step3: Stack up this widget block above an Image to see the effect in work. I used the flutter logo as an image.

That’s it, you can see a blur effect on your image.

Full code:

Thanks for reading this article ❤

If I got something wrong 🙈, let me know in the comments. I would love to improve.

Reference Link:

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Big thanks to Webkul and his team for helping get Opencart release ready!

Deniel Kerr

Owner and Founder. Opencart

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