flutter_link_previewer

插件介绍

基于插件公开信息、社区数据与项目使用情况整理的选型参考。

一个可定制的 Flutter 包，用于从文本中提取并显示链接预览，支持缓存渲染以提高性能。专为聊天应用设计，能够高效地从 URL 获取元数据，生成包含标题、描述和图片的丰富预览。该包可在多个平台上无缝集成，确保在 Android、iOS、Web、macOS、Windows 和 Linux 上行为一致。通过为分享的链接提供即时视觉上下文，提升用户体验。

适合场景

聊天应用
社交媒体动态
消息接口
内容分享平台
实时协作工具

主要特点

缓存链接渲染
可自定义预览外观
跨平台兼容性
自动元数据提取
支持丰富的媒体预览

适合对象

开发聊天应用的开发者
创建社交功能的团队
需要URL可视化的应用
寻找可重用组件的前端工程师
针对多个平台的项目

使用建议

需要互联网访问以进行首次获取
缓存管理可能需要自定义
对第三方元数据的控制有限
外部响应缓慢可能导致延迟
可能需要额外的样式以保持UI一致性

原始 README

以下为关联源码仓库的 README 原文快照，最新内容请访问源码仓库。

Flyer Chat 💬

Flyer Chat is an open-source chat UI package for Flutter applications, designed for performance, customization, and ease of integration.

✨ Features

🔄 Backend-agnostic: Connect to any backend service.
🧬 Adaptable: Perfect for real-time messengers, generative AI agents and LLM-based assistants, support platforms, and beyond.
🎨 Highly Customizable: Tailor the UI with extensive theme options and builder functions.
🧩 Modular: Pick and choose the features you want. You can change any part of the UI or swap it with your own custom implementation.
⚡ Performance Optimized: Built for speed and smooth animations.
🌐 Cross-Platform: Supports iOS, Android, Web, macOS, Windows, and Linux.
📜 Open Source: Free to use under the Apache 2.0 License.

🚀 Installation

Add the package to your pubspec.yaml:

dependencies:
  flutter_chat_core: ^2.0.0
  flutter_chat_ui: ^2.0.0

Then, import and use the Chat widget.

📚 Documentation & Examples

For detailed usage, customization options, different message types, controllers, and more complex scenarios, please refer to the full documentation:

➡️ flyer.chat/docs/flutter/introduction ⬅️

Explore the comprehensive example application to see various features and customizations in action.

📦 Packages

The project is structured as a monorepo managed by Melos 💙.

Core Packages

These are the foundational packages included when you install flutter_chat_ui:

flutter_chat_ui: The main UI package.
flutter_chat_core: Contains core models, controllers, theming, and utilities used across the ecosystem.
cross_cache: Provides a cross-platform (IO & Web) image caching solution.

Optional Message Widget Packages

Opinionated packages for rendering different message types. You can also build your own!

flyer_chat_text_message: Renders text messages with markdown support.
flyer_chat_text_stream_message: Renders streamed text messages with markdown and fade-in animation support.
flyer_chat_image_message: Renders image messages.
flyer_chat_file_message: Renders file messages.
flyer_chat_system_message: Renders system messages (e.g., user joined).

🤝 Contributing

Contributions are welcome! Please see CONTRIBUTING.md for guidelines on how to contribute.

📜 License

Licensed under the Apache License, Version 2.0. See the LICENSE file for details.

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