Скачать или смотреть Change the disabled Color of ElevatedButton and OutlinedButton in Flutter

Learn how to customize the `disabled` color of ElevatedButton and OutlinedButton in Flutter easily with this step-by-step guide. Enhance your app's UI with personalized button styles!
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How to Change the Disabled Color of ElevatedButton and OutlinedButton in Flutter

When working with buttons in Flutter, the ElevatedButton and OutlinedButton offer significant flexibility and design capabilities. However, one common challenge developers face is the inability to change the disabled color of these buttons directly. Unlike the older RaisedButton, there are no simple properties to modify for this purpose. Fortunately, Flutter provides alternative solutions to achieve the desired customization.

In this post, we will walk you through the various methods to change the disabled color of ElevatedButton and OutlinedButton, ensuring your user interface aligns perfectly with your design vision.

Understanding the Challenge

The primary issue is that the ElevatedButton and OutlinedButton widgets do not have a straightforward property like disabledColor to customize their appearance when they are in the disabled state. Here's an example of a common mistake made by developers:

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

In the code above, attempting to modify the disabledColor will not yield the desired effect. Instead, we need to leverage the onSurface property and a more robust method using ButtonStyle.

Solution 1: Using the onSurface Property

The simplest way to change the color when the button is disabled is to use the onSurface property. This approach is effective for both ElevatedButton and OutlinedButton.

Example Code

Here’s how you can implement it:

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

In the example above, when the button is disabled, it will now render with a brown color.

Solution 2: Utilizing ButtonStyle for Advanced Customization

For scenarios requiring more detailed styling, you can use ButtonStyle. This technique provides greater control over the button's appearance across different states, including disabled, hovered, and focused states.

Custom Button Style Example

Here’s an example that applies a specific color when the button is disabled:

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

In this code snippet:

When the button is disabled, the background color changes to brown.

When the button is enabled, it will display a blue background.

Globally Setting Disabled Colors for ElevatedButtons

If you want to maintain consistency across your application and apply the same style to all ElevatedButton widgets, you can define a theme in your MaterialApp.

Global Theme Example

Add the following code in your main app file:

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

This snippet establishes a universal disabled color for all ElevatedButton instances within your app. This approach helps streamline maintenance and ensures uniformity in design.

Conclusion

Customizing the disabled state of ElevatedButton and OutlinedButton can significantly enhance the user experience in your Flutter applications. By utilizing the onSurface property and ButtonStyle, you can easily control button colors and maintain a cohesive design throughout your app.

Now that you have the tools and methods to manipulate button states, experiment with different colors and styles to create an engaging user interface!