flutter pub add scrollview_observer根據套件公開資料產生的選型評估，僅供參考。
scrollview_observer 包提供了一個小部件，用於監控並報告 ScrollView 中目前可見的子小部件的資料。它讓開發者能夠追蹤哪些項目在螢幕上、其位置和可見狀態，促進基於滾動行為的動態內容載入、分析或 UI 調整。非常適合實作無限清單、效能優化或可滾動介面中的即時回饋。
以下為關聯原始碼儲存庫的 README 原文快照，最新內容請造訪原始碼儲存庫。
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This is a library of widget that can be used to listen for child widgets those are being displayed in the scroll view.
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You do not need to change the view you are currently using, just wrap a
ViewObserveraround the view to achieve the following features.
PageViewListViewSliverListGridViewSliverGridSliverPersistentHeader, SliverList and SliverGridNestedScrollViewScrollView built by third-party package.Add scrollview_observer to your pubspec.yaml file:
dependencies:
scrollview_observer: latest_version
Import scrollview_observer in files that it will be used:
import 'package:scrollview_observer/scrollview_observer.dart';
