flutter-add-widget-preview

Use the Flutter Widget Previewer to render widgets in real-time, isolated from the full application context. Adhere to the following constraints when authoring previewable widgets, as the Widget Previewer runs in a web environment: Copy and track this checklist when implementing a new widget preview: Follow the appropriate conditional workflow to launch and interact with the Widget Previewer: If using a supported IDE (Android Studio, IntelliJ, VS Code with Flutter 3.38+): If using the Command Line: Feedback Loop: Preview Iteration - Preview Guidelines - Handling Limitations - Workflows - Examples - Target Elements: Apply the @Preview annotation to top-level functions, static methods within a class, or public widget constructors/factories that have no required arguments and return a Widget or WidgetBuilder . - Imports: Always import package:flutter/widget_previews.dart to access the preview annotations. - Custom Annotations: Extend the Preview class to create custom annotations that inject common properties (e.g., themes, wrappers) across multiple widgets. - Multiple Configurations: Apply multiple @Preview annotations to a single target to generate multiple preview instances. Alternatively, extend MultiPreview to encapsulate common multi-preview configurations. - Runtime Transformations: Override the transform() method in custom Preview or MultiPreview classes to modify preview...