BackDrop Filter In Flutter

Updated 27 April 2023


In this blog, we will be going to learn about BackDrop Filter In Flutter and see how they work help us to improvise the user interface(UI) of the Flutter application.

Backdrop Filter is a widget that paints the existing container and then paints the child widget of it.The filter will be applied to all the areas within its parent or ancestor widget’s clip. If there’s no clip, the filter will be applied to the full screen.

It can be used to make a blur effect to the foreground of the widgets like images, text, containers, etc.

You may also check ourĀ Flutter app development page

Code Snippet

We will use the following code snippets for using the same.

—-> Backdrop Filter needs a child widget, which can be of any widget 
—-> It needs a filter, which can vary with the requirements. For instance, we will blur the image so we are using the ImageFilter with blur effect
—-> The blend mode to use to apply the filtered background content onto the background surface

For ImageFilter use the following reference link for more understanding


We have created a simple demo for demonstrating the output of the Backdrop Filter


In this blog, we have discussed BackDrop Filter In Flutter

I hope it will help you out in understanding.

Thanks for reading!!

Reference Link

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