How to Change the Color of Your Floating Action Button in Flutter

Discover how to effectively customize the color of your `Floating Action Button` in Flutter for a unique user experience.
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This video is based on the question https://stackoverflow.com/q/66359920/ asked by the user 'KirtM9' ( https://stackoverflow.com/u/13444891/ ) and on the answer https://stackoverflow.com/a/66360054/ provided by the user 'Jean Lucas' ( https://stackoverflow.com/u/10881182/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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A Guide to Changing the Color of Your Floating Action Button in Flutter

In Flutter, a Floating Action Button (FAB) is a great way to promote a primary action within your application. However, you may find that the standard blue color does not match your app's theme or brand identity. This common challenge is something many developers encounter, leading to the question: How can I change the color of my Floating Action Button?

Let’s delve into a simple and effective solution to customize your FAB's color.

Understanding the Problem

When you try to set a custom color for your Floating Action Button through styles, it might seem like you're doing everything correctly, but the button remains the default blue. Here’s an example code snippet that developers often start with:

[[See Video to Reveal this Text or Code Snippet]]

In this snippet, you might be concerned that nothing has changed, and you’re left wondering why your Floating Action Button remains blue.

The Solution

To resolve this issue and customize the color effectively, you need to specify the primary attribute within the style setter for the ElevatedButton. This is key to manipulating the button's color as intended.

Here's how you can do it:

Update the Style:
Modify the style argument of the ElevatedButton by including the primary color attribute. Here’s the updated code:

[[See Video to Reveal this Text or Code Snippet]]

Complete Example:
Here’s how your complete Floating Action Button code should look:

[[See Video to Reveal this Text or Code Snippet]]

Key Points to Remember:

Use the primary Attribute: The primary attribute is essential to setting the background color of the FAB.

Shape Configuration: The usage of CircleBorder ensures that your button remains circular, consistent with typical FAB design.

Conclusion

By including the primary attribute in your ElevatedButton style, changing the color of your Floating Action Button becomes a straightforward process. This adjustment not only enhances the visual aspect of your application but also aligns it with your design intent.

Feel free to experiment with various colors to find the one that best suits your application. Happy coding!

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