Transparency effects for Flutter on Windows, macOS, and Linux.

Install

To begin using the flutter_acrylic package, include it in your pubspec.yaml file as follows:

dependencies:
  ...
  flutter_acrylic: ^1.1.0

Usage Example

Check out this example demonstrating an app running on Microsoft Windows 11:

Supported Platforms and Maintainers

• Windows: Hitesh Kumar Saini
• macOS: Adrian Samoticha
• Linux: Hitesh Kumar Saini

Getting Started with Initialization

To initialize the plugin, you need to call the following code in your main() function:

Future main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Window.initialize();
  runApp(MyApp());
}

Applying Effects

To apply effects such as Acrylic or Mica to your Flutter window, use the following code snippets:

await Window.setEffect(
  effect: WindowEffect.acrylic,
  color: Color(0xCC222222),
);
await Window.setEffect(
  effect: WindowEffect.mica,
  dark: true,
);

Available Effects

Here are some effects you can apply:

Effect	Description
WindowEffect.transparent	Transparent window background.
WindowEffect.disabled	Default window background.
WindowEffect.acrylic	A translucent texture brush that adds depth.
WindowEffect.mica	An opaque material that incorporates desktop wallpaper to paint the background.

Troubleshooting Tips

If you encounter any issues while using the flutter_acrylic package, consider the following troubleshooting steps:

• Ensure your operating system dependencies are updated.
• On Windows, effects may vary based on the version. Make sure you are using Windows 10 version 1803 or higher for Acrylic effects.
• For macOS, the deployment target in your Xcode project needs to be set to 10.14.6 or above.
• If you are using Linux, ensure your compositor supports blur effects, as this influences how they are displayed.

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