flutter pub add visibility_detector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。
visibility_detector 包提供了一个监视其子部件是否在屏幕上可见的部件。当子部件进入或退出视口时，它会触发回调，从而实现高效渲染和性能优化。非常适合用于延迟加载内容、动画或跟踪用户对特定 UI 元素的参与度。该包支持所有主要平台，包括 Android、iOS、Web、macOS、Windows 和 Linux，使其在跨平台应用中具有高度的通用性。
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。
This repository contains the source code for various Flutter widgets that are developed by Google but not by the core Flutter team.
The product and source code here are neither endorsed by Google nor the Flutter team. They are mainly made available as a reference. Support is best-effort.
| Package | Description | Version |
|---|---|---|
| flutter_simple_treeview | A widget, that visualises a tree structure, where a node can be any widget. |  |
| linked_scroll_controller | A scroll controller that allows two or more scroll views to be in sync. |  |
| scrollable_positioned_list | A list with helper methods to programmatically scroll to an item. |  |
| self_storing_input | A set of input widgets that automatically save and load the entered value to a data store. |  |
| visibility_detector | A widget that detects the visibility of its child and notifies a callback. |  |
Please file any issues, bugs, or feature requests in the this repo.
If you wish to contribute a change to any of the existing widgets in this repo, please review our contribution guide, and send a pull request.