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林洵锋 edited this page Mar 26, 2024
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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 ScrollView.
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You do not need to change the view you are currently using, just wrap a
ViewObserver
around the view to achieve the following features.
- Observing child widgets those are being displayed in ScrollView
- Support for scrolling to a specific item in ScrollView
- Quickly implement the chat session page effect
- Support for keeping IM message position when inserting or updating messages, avoiding jitter.
-
ListView
-
SliverList
-
GridView
-
SliverGrid
- Mixing usage of
SliverPersistentHeader
,SliverList
andSliverGrid
-
NestedScrollView
-
ScrollView
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';
- GitHub: https://github.com/LinXunFeng
- Email: linxunfeng@yeah.net
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