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manuelbrandner85
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flutter-add-widget-preview

Integrate interactive widget previews into Flutter projects with custom annotations.

Updated Nov 23, 2025
Search Tags:#development#ui#preview#flutter#dart#widgets
One-click install
npx skills add https://github.com/manuelbrandner85/Weltenbibliothekapp --skill flutter-add-widget-preview-manuelbrandner85
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: flutter-add-widget-preview
Source: https://github.com/manuelbrandner85/Weltenbibliothekapp/tree/main/.agents/skills/flutter-add-widget-preview
Command: npx skills add https://github.com/manuelbrandner85/Weltenbibliothekapp --skill flutter-add-widget-preview-manuelbrandner85

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill addresses the challenge of testing UI components in isolation, reducing the need to navigate through the full application flow to verify visual changes.

Core Features & Use Cases

  • Isolated Rendering: Render Flutter widgets in real-time without the overhead of the full application context.
  • Multi-Configuration Testing: Apply multiple preview annotations to test different themes, brightness levels, or constraints simultaneously.
  • Use Case: When building a new design system, use this skill to instantly visualize how a button component responds to light and dark mode themes across various screen sizes.

Quick Start

Apply the Preview annotation to your widget function and launch the previewer using the flutter widget-preview start command in your terminal.

Frequently Asked Questions about flutter-add-widget-preview

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I preview Flutter widgets in isolation without running the full app?▼

To preview Flutter widgets, apply the Preview annotation to your widget function and run the `flutter widget-preview start` command in your terminal to launch the web-based previewer.

Can I test multiple themes and brightness levels for a Flutter widget simultaneously?▼

Yes, you can apply multiple preview annotations to test different themes, brightness levels, or constraints simultaneously, allowing you to visualize how a component responds across various configurations.

Do I need a specific Dart package to enable interactive widget previews?▼

Yes, interactive widget previews require the `flutter/widget_previews.dart` package to enable real-time visual feedback and hot-restart capabilities during the UI design iteration process.

What is the best way to speed up Flutter UI component development and testing?▼

The best way to speed up Flutter UI development is using interactive widget previews to get real-time visual feedback, reducing the need to navigate through the full application flow to verify changes.

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